TOHOKU UNIVERSITY Researchers - Akifumi Takahashi

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Akifumi Takahashi

Section

Graduate School of Information Sciences

Job title

Assistant Professor

Degree

Ph.D. in Engineering (The University of Electro-Communications)

researchmap

https://researchmap.jp/akifumi_takahashi

J-GLOBAL ID

202401007571146479

e-Rad No.

21006794

ORCID

https://orcid.org/0000-0002-7804-6645

Research History 6

2025/07 - Present

Tohoku University　Graduate School of Information Sciences Department of Applied Information Sciences　Assistant Professor
2024/10 - Present

The University of Tokyo　Virtual Reality Educational Research Center　Project Assistant Professor
2024/06 - 2026/06

The University of Tokyo　Information Technology Center　Project Research Associate
2022/06 - 2024/06

JSPS Overseas Fellow　University of Chicago, Physical Science Division, Computer Science Department　Postdoctoral Fellow
2020/04 - 2022/03

Japan Society for the Promotion of Science　Research Fellow (DC2)
2019/10 - 2020/03

University of Chicago　Physical Science Division, Department of Computer Science　Internship (Non-Degree Visiting Students)

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Education 3

The University of Electro-Communications　Graduate School of Informatics and Engineering　Department of Informatics

2019/04 - 2022/03
The University of Electro-Communications　Graduate School of Informatics and Engineering　Department of Informatics

2016/04 - 2019/03
The University of Electro-Communications　Faculty of Informatics and Engineering　Department of Informatics

2012/04 - 2016/03

Committee Memberships 2

日本バーチャルリアリティ学会　神経刺激インターフェース研究会委員長

2025/01 - Present
日本バーチャルリアリティ学会　神経刺激インターフェース研究会委員

2019/01 - 2024/12

Research Interests 5

Peripheral Magnetic Stimulation
Electrical Tendon Stimulation
Haptics
神経刺激インターフェース
Electrical Muscle Stimulation

Research Areas 2

Informatics / Human interfaces and interactions / Virtual Reality
Informatics / Human interfaces and interactions / Haptics

Awards 9

Honorable Mention Award for Best Paper

2024/10　ACM UIST　Can a Smartwatch Move Your Fingers? Compact and Practical Electrical Muscle Stimulation in a Smartwatch
Best Paper Award

2021/05　ACM CHI　Increasing Electrical Muscle Stimulation’s Dexterity by means of Back of the Hand Actuation
Outstanding Paper Award

2024/09　Virtual Reality Society of Japan　Wearable Haptic Transducer using Magnetic Flux Leakage of the Repulsive Magnets Configuration
Outstanding Paper Award

2022/09　Virtual Reality Society of Japan　Simultaneous Multi-Point Vibratory Stimulation on Kinesthetic Illusion around The Shoulder Joint
Excellent Speaker

2021/12　SICE SI　Compact tactile transducer using repulsive magnets or electromagnets pairs
People’s Choice Best Demo Award

2021/05　ACM CHI　Demonstrating How to Increase the Dexterity of Electrical Muscle Stimulation using Back of the Hand Actuation
Excellent Presentation Award

2020/12　SICE SI　Vibration presentation using a DC motor with a housing and rotating shaft fixed to the skin (Ⅱ)
Best Poster Award

2018/10　ACM SUI 2018　Haptic Interface Using Tendon Electrical Stimulation: Evaluation of the Effectiveness on Multimodal Presentation
Honorable Mention

2016/12　AsiaHaptics 2016　HapTONE: Haptic instrument for enriched musical play (II)—system detail

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Papers 34

Can a Smartwatch Move Your Fingers? Compact and Practical Electrical Muscle Stimulation in a Smartwatch. Peer-reviewed

Akifumi Takahashi, Yudai Tanaka, Archit Tamhane, Alan Shen, Shan-Yuan Teng, Pedro Lopes 0001

Proceedings of the 37th Annual ACM Symposium on User Interface Software and Technology(UIST)　2-15　2024
Publisher: ACM
DOI： 10.1145/3654777.3676373 　
Interactive Benefits from Switching Electrical to Magnetic Muscle Stimulation. Peer-reviewed

Yudai Tanaka, Akifumi Takahashi, Pedro Lopes 0001

Proceedings of the 36th Annual ACM Symposium on User Interface Software and Technology(UIST)　69-12　2023
Publisher: ACM
DOI： 10.1145/3586183.3606812 　
Discussion on Back-of-hand Electrical Muscle Stimulation for selective flexing of MP joint and its application Peer-reviewed

Takahashi Akifumi, Kajimoto Hiroyuki

Transactions of the Virtual Reality Society of Japan　26　(4)　320-332　2021/12/24
Publisher: THE VIRTUAL REALITY SOCIETY OF JAPAN
DOI： 10.18974/tvrsj.26.4_320 　

ISSN： 1344-011X

eISSN： 2423-9593

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In this paper, we analyzed, concerning both angles and time responsibility, the data obtained in the experiment of the previous report about the back-of-hand electrical muscle stimulation (BoHEMS), adding a more detailed anatomical discussion. The analysis for the angles confirmed that the BoHEMS could efficiently flex fingers at only the MP joint, including the index finger, which was challenging to flex so far. Also, each finger flexed without a flexion around the PIP joint, which always occurs using EMS at the forearm, which many HCI researchers have often used for finger flexion. As for the time responsibility, the BoHEMS has a similar one as the conventional forearm EMS. We conclude that the BoHEMS is helpful for application for activities of daily living because of the selective MP joint flexion, which is of great importance for those. However, since the daily movement of the finger is not such simple, the flexor and extensor muscle stimulations in the forearm are needed to flex PIP joints in cooperation. Still, it is even difficult to flex the PIP joint of the index finger from the forearm; therefore, it is necessary to tackle it as a significant issue in the future.
Force Sensation Induced by Electrical Stimulation of the Tendon of Biceps Muscle Peer-reviewed

Akifumi Takahashi

APPLIED SCIENCES-BASEL　2021/09/04

DOI： 10.3390/APP11178225 　
Increasing Electrical Muscle Stimulation's Dexterity by means of Back of the Hand Actuation. Peer-reviewed

Akifumi Takahashi, Jas Brooks, Hiroyuki Kajimoto, Pedro Lopes 0001

CHI '21: CHI Conference on Human Factors in Computing Systems(CHI)　216-12　2021
Publisher: ACM
DOI： 10.1145/3411764.3445761 　
Haptic interface using tendon electrical stimulation with consideration of multimodal presentation. Peer-reviewed

Akifumi Takahashi, Kenta Tanabe, Hiroyuki Kajimoto

Virtual Reality & Intelligent Hardware　1　(2)　163-175　2019

DOI： 10.3724/SP.J.2096-5796.2019.0011 　
Investigation on the cutaneous/proprioceptive contribution to the force sensation induced by electrical stimulation above tendon. Peer-reviewed

Akifumi Takahashi, Kenta Tanabe, Hiroyuki Kajimoto

Proceedings of the 24th ACM Symposium on Virtual Reality Software and Technology(VRST)　100-2　2018
Publisher: ACM
DOI： 10.1145/3281505.3283402 　
Relationship Between Force Sensation and Stimulation Parameters in Tendon Electrical Stimulation Peer-reviewed

Akifumi Takahashi

HAPTIC INTERACTION: SCIENCE, ENGINEERING AND DESIGN　432　2018

DOI： 10.1007/978-981-10-4157-0_40 　

ISSN： 1876-1119 1876-1100
Interpersonal Vibrotactile Transmission with Spatial Gradation and Tactile Expressiveness

Fumiya Kinoshita, Taku Hachisu, Akifumi Takahashi, Masashi Konyo

2027

DOI： 10.1007/978-3-032-32350-7_10 　
Enhancing Pseudo-Haptics on the Hand by Viewpoint Shifts in VR Peer-reviewed

Riku Watanabe, Mitsuru Ito, Akifumi Takahashi, Tomohiro Amemiya, Yuki Ban

2025 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)　476-484　2025/10/08
Publisher: IEEE
DOI： 10.1109/ismar67309.2025.00058 　
Wearable Haptic Transducer using Magnetic Flux Leakage of the Repulsive Magnets Configuration Peer-reviewed

Manabe Mitsuki, Ushiyama Keigo, Takahashi Akifumi, Kajimoto Hiroyuki

Transactions of the Virtual Reality Society of Japan　28　(4)　361-370　2023
Publisher: THE VIRTUAL REALITY SOCIETY OF JAPAN
DOI： 10.18974/tvrsj.28.4_361 　

ISSN： 1344-011X

eISSN： 2423-9593

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This study proposes a new haptic transducer capable of producing strong vibrations and constant skin stretch using repulsive permanent magnets and a small coil. The repulsive magnet configuration generates a concentrating leakage magnetic flux on the side surface of the magnets directing perpendicular to the surface. Both the magnets and the coils are attached to the skin to generate constant force as well as vibration. To demonstrate the effectiveness of the proposed method, we fabricated and evaluated a prototype. As a result, it was found that the proposed method is able to present vibrations with larger amplitudes than existing methods. It was also suggested that the proposed method is superior to the existing method in representing the shape and texture of virtual objects.
Energy Efficient Wearable Vibrotactile Transducer Utilizing The Leakage Magnetic Flux of Repelling Magnets. Peer-reviewed

Mitsuki Manabe, Keigo Ushiyama, Akifumi Takahashi, Hiroyuki Kajimoto

IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops　599-600　2023
Publisher: IEEE
DOI： 10.1109/VRW58643.2023.00142 　
Preliminary Investigation of Presenting Force Sensation by Electrical Stimulation to the Proximal Phalanx of the Finger Peer-reviewed

Ushiyama Keigo, Takahashi Akifumi, Kajimoto Hiroyuki

Transactions of the Virtual Reality Society of Japan　27　(3)　163-166　2022/09/30
Publisher: THE VIRTUAL REALITY SOCIETY OF JAPAN
DOI： 10.18974/tvrsj.27.3_163 　

ISSN： 1344-011X

eISSN： 2423-9593

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We found that an illusory force of the finger was induced in flexion and extension direction by applying electrical stimulation to the proximal phalanx of the finger of the palm and dorsal sides. In this paper, we investigated illusory force directions when changing the polarity of electrical stimulation and finger posture. The force sensation was also evaluated quantitatively under conditions in which the largest extension and flexion force illusions were induced. As a result, this force illusion had a relatively large dependency on the finger posture. We found that our approach could induce force sensation from 1 N to 2 N in both directions.
Presenting Sliding Sensation by Electro-tactile Stimulation

Akifumi Takahashi

HAPTICS: SCIENCE, TECHNOLOGY, APPLICATIONS, EUROHAPTICS 2022　2022

DOI： 10.1007/978-3-031-06249-0 　
Increasing Perceived Weight and Resistance by Applying Vibration to Tendons During Active Arm Movements. Peer-reviewed

Keigo Ushiyama, Akifumi Takahashi, Hiroyuki Kajimoto

Haptics: Science, Technology, Applications - 13th International Conference on Human Haptic Sensing and Touch Enabled Computer Applications(EuroHaptics)　93-100　2022
Publisher: Springer
DOI： 10.1007/978-3-031-06249-0_11 　
Pilot Study on Presenting Pulling Sensation by Electro-Tactile Stimulation. Peer-reviewed

Shota Nakayama, Mitsuki Manabe, Keigo Ushiyama, Masahiro Miyakami, Akifumi Takahashi, Hiroyuki Kajimoto

Haptics: Science, Technology, Applications - 13th International Conference on Human Haptic Sensing and Touch Enabled Computer Applications(EuroHaptics)　66-74　2022
Publisher: Springer
DOI： 10.1007/978-3-031-06249-0_8 　
Head rotation and illusory force sensation by lateral skin stretch on the face. Peer-reviewed

Masahiro Miyakami, Akifumi Takahashi, Hiroyuki Kajimoto

Frontiers in Virtual Reality　3　2022

DOI： 10.3389/frvir.2022.930848 　
Meeting Participation Report

Journal of the Virtual Reality Society of Japan　26　(3)　34-37　2021/09/30
Publisher: The Virtual Reality Society of Japan
DOI： 10.18974/jvrsj.26.3_34 　

ISSN： 1342-6680

eISSN： 2435-8746
Simultaneous Multi-Point Vibratory Stimulation on Kinesthetic Illusion around The Shoulder Joint Peer-reviewed

Ushiyama Keigo, Tanaka Satoshi, Takahashi Akifumi, Kajimoto Hiroyuki

Transactions of the Virtual Reality Society of Japan　26　(2)　143-154　2021/06/30
Publisher: THE VIRTUAL REALITY SOCIETY OF JAPAN
DOI： 10.18974/tvrsj.26.2_143 　

ISSN： 1344-011X

eISSN： 2423-9593

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Whether it is possible to induce stronger and steady kinesthetic illusions by multi-point vibratory stimulation was investigated. We placed seven vibrators on the arm and presented a total of 127 (2⁷ - 1) vibration patterns by turning each vibrator on and off, and asked participants to evaluate the illusion subjectively. The mean angular velocity and the mean subjective evaluation value increased significantly with the number of actuated vibrators. However, the illusion’s angular velocity did not increase dramatically. In short, the proposed method was effective for inducing vivid illusions steadily.
Movement-Free Virtual Reality Interface Using Kinesthetic Illusion Induced by Tendon Vibration. Peer-reviewed

Satoshi Tanaka, Keigo Ushiyama, Akifumi Takahashi, Hiroyuki Kajimoto

Haptics: Science(EuroHaptics)　316-324　2020
Publisher: Springer
DOI： 10.1007/978-3-030-58147-3_35 　
The Effects of Simultaneous Multi-point Vibratory Stimulation on Kinesthetic Illusion. Peer-reviewed

Keigo Ushiyama, Satoshi Tanaka, Akifumi Takahashi, Hiroyuki Kajimoto

Haptics: Science(EuroHaptics)　185-193　2020
Publisher: Springer
DOI： 10.1007/978-3-030-58147-3_21 　
Elemphasize: Emphasizing Mechanical Tactile Sensation via Electrical Stimulation. Peer-reviewed

Ryo Mizuhara, Akifumi Takahashi, Hiroyuki Kajimoto

SIGGRAPH 2020: Special Interest Group on Computer Graphics and Interactive Techniques Conference　20-2　2020
Publisher: ACM
DOI： 10.1145/3388534.3407287 　
The effects of simultaneous multi-point vibratory stimulation on kinesthetic illusion Peer-reviewed

Ushiyama, K., Tanaka, S., Takahashi, A., Kajimoto, H.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　12272 LNCS　2020
Publisher: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
DOI： 10.1007/978-3-030-58147-3_21 　

ISSN： 1611-3349 0302-9743
Movement-free virtual reality interface using kinesthetic illusion induced by tendon vibration Peer-reviewed

Tanaka, S., Ushiyama, K., Takahashi, A., Kajimoto, H.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)　12272 LNCS　2020
Publisher: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
DOI： 10.1007/978-3-030-58147-3_35 　

ISSN： 1611-3349 0302-9743
Combination of Mechanical and Electrical Stimulation for an Intense and Realistic Tactile Sensation. Peer-reviewed

Ryo Mizuhara, Akifumi Takahashi, Hiroyuki Kajimoto

The 17th International Conference on Virtual-Reality Continuum and its Applications in Industry(VRCAI)　25-5　2019
Publisher: ACM
DOI： 10.1145/3359997.3365714 　
Simple is Vest: High-Density Tactile Vest that Realizes Tactile Transfer of Fingers. Peer-reviewed

Taha K. Moriyama, Akifumi Takahashi, Hideyuki Asazu, Hiroyuki Kajimoto

SIGGRAPH Asia 2019 Emerging Technologies　42-43　2019
Publisher: ACM
DOI： 10.1145/3355049.3360532 　
Reinforcement of Kinesthetic Illusion by Simultaneous Multi-Point Vibratory Stimulation. Peer-reviewed

Keigo Ushiyama, Satoshi Tanaka, Akifumi Takahashi, Hiroyuki Kajimoto

SIGGRAPH Asia 2019 Posters　17-2　2019
Publisher: ACM
DOI： 10.1145/3355056.3364576 　
Enhancement of Subjective Mechanical Tactile Intensity via Electrical Stimulation. Peer-reviewed

Ryo Mizuhara, Akifumi Takahashi, Hiroyuki Kajimoto

Proceedings of the 10th Augmented Human International Conference 2019(AH)　9-5　2019
Publisher: ACM
DOI： 10.1145/3311823.3311836 　
Assessment of Stickiness with Pressure Distribution Sensor Using Offset Magnetic Force Peer-reviewed

Akifumi Takahashi

MICROMACHINES　10　(10)　2019

DOI： 10.3390/MI10100652 　

ISSN： 2072-666X
The effect of different cleaning agents on saliva contamination for bonding performance of zirconia ceramics

Akifumi Takahashi

DENTAL MATERIALS JOURNAL　2018

DOI： 10.4012/DMJ.2017-376 　
Haptic Interface Using Tendon Electrical Stimulation: Evaluation of the Effectiveness on Multimodal Presentation. Peer-reviewed

Akifumi Takahashi, Kenta Tanabe, Hiroyuki Kajimoto

Proceedings of the Symposium on Spatial User Interaction(SUI)　190-190　2018
Publisher: ACM
DOI： 10.1145/3267782.3274684 　
HapTONE: Haptic Instrument for Enriched Musical Play (II)-System Detail Peer-reviewed

Akifumi Takahashi

HAPTIC INTERACTION: SCIENCE, ENGINEERING AND DESIGN　432　2018

DOI： 10.1007/978-981-10-4157-0_77 　

ISSN： 1876-1119 1876-1100
Measurement of Stickiness with Pressure Distribution Sensor Peer-reviewed

Akifumi Takahashi

HAPTIC INTERACTION: SCIENCE, ENGINEERING AND DESIGN　432　2018

DOI： 10.1007/978-981-10-4157-0_54 　

ISSN： 1876-1119 1876-1100
Quantification of stickiness using a pressure distribution sensor. Peer-reviewed

Takayuki Kameoka, Akifumi Takahashi, Vibol Yem, Hiroyuki Kajimoto

2017 IEEE World Haptics Conference(WHC)　617-622　2017
Publisher: IEEE
DOI： 10.1109/WHC.2017.7989972

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Misc. 26

Pilot Study on Presenting Illusory Force Sensation by Electrical Stimulation to Lateral Surface of the Finger

中山翔太, 真鍋光希, 牛山奎悟, 牛山奎悟, 宮上昌大, 高橋哲史, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　27th　2022

ISSN： 1349-5062
シカゴ大学

髙橋哲史

日本バーチャルリアリティ学会誌　26　(3)　41-42　2021/09/30
Publisher: 特定非営利活動法人日本バーチャルリアリティ学会
DOI： 10.18974/jvrsj.26.3_41 　

ISSN： 1342-6680

eISSN： 2435-8746
Pilot Study of Presenting Pulling Sensation by Tactile Electrical Stimulation

中山翔太, 真鍋光希, 牛山奎悟, 宮上昌大, 高橋哲史, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　26th　2021

ISSN： 1349-5062
Pilot study of tactile presentation using magnets and coils fixed to the skin

真鍋光希, 牛山奎悟, 高橋哲史, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　26th　2021

ISSN： 1349-5062
Pilot study on tactile presentation using DC motor fixed to the skin (III)

真鍋光希, 牛山奎悟, 高橋哲史, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　26th　2021

ISSN： 1349-5062
Modulation of Heaviness Sensation of Hand-held object by Kinesthetic Illusion during Active Arm Movement

牛山奎悟, 高橋哲史, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　26th　2021

ISSN： 1349-5062
Compact tactile transducer using repulsive magnets or electromagnets pairs

真鍋光希, 牛山奎悟, 高橋哲史, 梶本裕之

計測自動制御学会システムインテグレーション部門講演会(CD-ROM)　22nd　2021
Modulation of a Hand-held Object’s Property through Proprioceptive Stimulation during Active Arm Movement

USHIYAMA Keigo, TAKAHASHI Akifumi, KAJIMOTO Hiroyuki

The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec)　2021　1P1-M05　2021
Publisher: The Japan Society of Mechanical Engineers
DOI： 10.1299/jsmermd.2021.1p1-m05 　

eISSN： 2424-3124

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The purpose of this study was to investigate whether stimulation of the proprioceptors in the arm during active movement can affect not only the proprioception of the arm but also the perception of the hand-held object. If it is possible to control the perception of a hand-held object through stimulation to the body, it can be applied to virtual-reality interfaces and controllers, which can be used in a wide range of situations. In the experiment, participants were given a context in which they grasped an object and actively moved. Proprioceptive stimulation was applied to participants using vibration and skin stretch based on the kinesthetic illusion. They were asked to evaluate the perception of the object and the arm. Consequently, it was found that the perception of not only the arm but also the hand-held object could be changed, although there were large individual differences.
Vibrotactile Presentation using a Motor within a Housing and Rotor Fixed to the Skin.

Mitsuki Manabe, Keigo Ushiyama, Akifumi Takahashi, Hiroyuki Kajimoto

IEEE World Haptics Conference(WHC)　25th　906-911　2021
Publisher: IEEE
DOI： 10.1109/WHC49131.2021.9517228 　

ISSN： 1349-5062
Modulation of a Hand-held Object's Property through Proprioceptive Stimulation during Active Arm Movement: Proprioceptive Modulation of a Hand-held Object's Property.

Keigo Ushiyama, Akifumi Takahashi, Hiroyuki Kajimoto

CHI '21: CHI Conference on Human Factors in Computing Systems　2021　279-6　2021
Publisher: ACM
DOI： 10.1145/3411763.3451834 　

ISSN： 2424-3124
Demonstrating How to Increase the Dexterity of Electrical Muscle Stimulation using Back of the Hand Actuation.

Akifumi Takahashi, Jas Brooks, Hiroyuki Kajimoto, Pedro Lopes 0001

CHI '21: CHI Conference on Human Factors in Computing Systems　199-4　2021
Publisher: ACM
DOI： 10.1145/3411763.3451569 　
Vibration presentation using a DC motor with a housing and rotating shaft fixed to the skin (II)

真鍋光希, 牛山奎悟, 高橋哲史, 梶本裕之

計測自動制御学会システムインテグレーション部門講演会(CD-ROM)　21st　2020/12
Vibration presentation using a DC motor with a housing and rotating shaft fixed to the skin

真鍋光希, 牛山奎悟, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　25th　2020/09

ISSN： 1349-5062
Motionless Haptic Interface using Kinesthetic Illusion Induced by Tendon Vibration (II)-Evaluation with a psychological experiment-

TANAKA Satoshi, USHIYAMA Keigo, TAKAHASHI Akifumi, KAJIMOTO Hiroyuki

The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec)　2020　2A2-N13　2020
Publisher: The Japan Society of Mechanical Engineers
DOI： 10.1299/jsmermd.2020.2a2-n13 　

eISSN： 2424-3124

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In the present virtual reality systems, because users must move their physical body, there are problems in safety, cost and accessibility. In order to solve these problems, we have proposed a system that creates sense of movement without physical movement of user’s body using kinesthetic illusion induced by tendon vibration. In this paper, we conducted a psychological experiment to evaluate operability, body ownership and agency when using the proposed system. The results suggested that the use of tendon vibration may contribute to the improvement of body ownership, although it was not statistically significant. Also, there was a possibility that agency was lowered by tendon vibration.
Evaluation of Multi-Point Vibratory Stimulation on Kinesthetic Illusion of the Arm

USHIYAMA Keigo, TANAKA Satoshi, TAKAHASHI Akifumi, KAJIMOTO Hiroyuki

The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec)　2020　2A1-P07　2020
Publisher: The Japan Society of Mechanical Engineers
DOI： 10.1299/jsmermd.2020.2a1-p07 　

eISSN： 2424-3124

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Presenting kinesthetic sensation usually requires a large space so as to avoid users colliding with objects or other users. One way to tackle this issue to use kinesthetic illusion, which is a way of presenting kinesthetic sensation without physical motion. However, realizing dynamic motion and fast movement remains difficult. Considering that multiple synergist muscles are usually involved in a movement, stimulating multiple synergist muscles might enhance the illusion. Thus, we investigated whether multi-point vibratory stimulation to multiple synergist muscles enhances induced kinesthetic illusions. We found that stimulating multiple synergist muscles created more vivid illusions. Additionally, we found that our method was effective for inducing steady illusions, but not for rapid illusions. We also calculated the contribution of each proposed stimulation point to the illusion.
経皮的神経電気刺激における複数電極対の高速スイッチングによる選択的深部刺激手法の提案

髙橋哲史, 梶本裕之

第24回日本バーチャルリアリティ学会大会　2019/09
機械刺激と電気刺激の組み合わせによる触覚提示の強調(第二報):感覚の質に関する評価

水原遼, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　24th　2019

ISSN： 1349-5062
多点同時振動刺激による運動錯覚の増強

牛山奎悟, 田中叡, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　24th　2019

ISSN： 1349-5062
腱振動刺激による運動錯覚を用いた動かないハプティックインタフェースの予備的検討

田中叡, 牛山奎悟, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　24th　2019

ISSN： 1349-5062
指先の触覚を背中に転移する高解像度触覚ベストの開発

森山多覇, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　24th　2019

ISSN： 1349-5062
機械刺激と電気刺激の組み合わせによる触覚提示の強調

水原遼, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　23rd　2018

ISSN： 1349-5062
Haptic Interface Using Tendon Electrical Stimulation.

Akifumi Takahashi, Kenta Tanabe, Hiroyuki Kajimoto

The 31st Annual ACM Symposium on User Interface Software and Technology Adjunct Proceedings　172-173　2018
Publisher: ACM
DOI： 10.1145/3266037.3271640 　
粘着感計測の予備的検討

亀岡嵩幸, 髙橋哲史, ヤェムヴィボル, 梶本裕之

第3回多元質感知領域班会議　2017/03
腱電気刺激を用いたハプティックインタフェースの応用：マルチモーダル提示の検討

髙橋哲史, 梶本裕之

第21回日本バーチャルリアリティ学会大会　2016/09
腱電気刺激を用いたハプティックインタフェースにおける刺激パラメータと生起力覚量の関係—Relationship of force sensation and stimulation parameters in haptic interface using tendon electrical stimulation—ヒューマン情報処理

髙橋哲史, 田辺健太, 梶本裕之

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報（第17回力触覚の提示と計算研究会）　115　(512)　49-54　2016/03
Publisher: 東京 : 電子情報通信学会
ISSN： 0913-5685
圧力分布センサを用いた粘着感の測定

亀岡嵩幸, 高橋哲史, VIBOL Yem, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　21st　2016

ISSN： 1349-5062

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Books and Other Publications 1

神経刺激インタフェース

青山, 一真, 日本バーチャルリアリティ学会

コロナ社　2024/03

ISBN: 9784339026924

Presentations 22

電気刺激による力覚提示 Invited

髙橋哲史

第５回神経刺激インターフェース研究会招待講演　2025/02/18
Pilot Study on Presenting Illusory Force Sensation by Electrical Stimulation to Lateral Surface of the Finger

中山翔太, 真鍋光希, 牛山奎悟, 牛山奎悟, 宮上昌大, 高橋哲史, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2022
Modulation of a Hand-held Object’s Property through Proprioceptive Stimulation during Active Arm Movement

USHIYAMA Keigo, TAKAHASHI Akifumi, KAJIMOTO Hiroyuki

The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec)　2021

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The purpose of this study was to investigate whether stimulation of the proprioceptors in the arm during active movement can affect not only the proprioception of the arm but also the perception of the hand-held object. If it is possible to control the perception of a hand-held object through stimulation to the body, it can be applied to virtual-reality interfaces and controllers, which can be used in a wide range of situations. In the experiment, participants were given a context in which they grasped an object and actively moved. Proprioceptive stimulation was applied to participants using vibration and skin stretch based on the kinesthetic illusion. They were asked to evaluate the perception of the object and the arm. Consequently, it was found that the perception of not only the arm but also the hand-held object could be changed, although there were large individual differences.
Compact tactile transducer using repulsive magnets or electromagnets pairs

真鍋光希, 牛山奎悟, 高橋哲史, 梶本裕之

計測自動制御学会システムインテグレーション部門講演会(CD-ROM)　2021
Modulation of Heaviness Sensation of Hand-held object by Kinesthetic Illusion during Active Arm Movement

牛山奎悟, 高橋哲史, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2021
Pilot study on tactile presentation using DC motor fixed to the skin (III)

真鍋光希, 牛山奎悟, 高橋哲史, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2021
Pilot study of tactile presentation using magnets and coils fixed to the skin

真鍋光希, 牛山奎悟, 高橋哲史, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2021
Pilot Study of Presenting Pulling Sensation by Tactile Electrical Stimulation

中山翔太, 真鍋光希, 牛山奎悟, 宮上昌大, 高橋哲史, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2021
Vibration presentation using a DC motor with a housing and rotating shaft fixed to the skin (II)

真鍋光希, 牛山奎悟, 高橋哲史, 梶本裕之

計測自動制御学会システムインテグレーション部門講演会(CD-ROM)　2020/12
Vibration presentation using a DC motor with a housing and rotating shaft fixed to the skin

真鍋光希, 牛山奎悟, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2020/09
Evaluation of Multi-Point Vibratory Stimulation on Kinesthetic Illusion of the Arm

USHIYAMA Keigo, TANAKA Satoshi, TAKAHASHI Akifumi, KAJIMOTO Hiroyuki

The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec)　2020

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Presenting kinesthetic sensation usually requires a large space so as to avoid users colliding with objects or other users. One way to tackle this issue to use kinesthetic illusion, which is a way of presenting kinesthetic sensation without physical motion. However, realizing dynamic motion and fast movement remains difficult. Considering that multiple synergist muscles are usually involved in a movement, stimulating multiple synergist muscles might enhance the illusion. Thus, we investigated whether multi-point vibratory stimulation to multiple synergist muscles enhances induced kinesthetic illusions. We found that stimulating multiple synergist muscles created more vivid illusions. Additionally, we found that our method was effective for inducing steady illusions, but not for rapid illusions. We also calculated the contribution of each proposed stimulation point to the illusion.
Motionless Haptic Interface using Kinesthetic Illusion Induced by Tendon Vibration (II)-Evaluation with a psychological experiment-

TANAKA Satoshi, USHIYAMA Keigo, TAKAHASHI Akifumi, KAJIMOTO Hiroyuki

The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec)　2020

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In the present virtual reality systems, because users must move their physical body, there are problems in safety, cost and accessibility. In order to solve these problems, we have proposed a system that creates sense of movement without physical movement of user’s body using kinesthetic illusion induced by tendon vibration. In this paper, we conducted a psychological experiment to evaluate operability, body ownership and agency when using the proposed system. The results suggested that the use of tendon vibration may contribute to the improvement of body ownership, although it was not statistically significant. Also, there was a possibility that agency was lowered by tendon vibration.
経皮的神経電気刺激における複数電極対の高速スイッチングによる選択的深部刺激手法の提案

髙橋哲史, 梶本裕之

第24回日本バーチャルリアリティ学会大会　2019/09
指先の触覚を背中に転移する高解像度触覚ベストの開発

森山多覇, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2019
腱振動刺激による運動錯覚を用いた動かないハプティックインタフェースの予備的検討

田中叡, 牛山奎悟, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2019
多点同時振動刺激による運動錯覚の増強

牛山奎悟, 田中叡, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2019
機械刺激と電気刺激の組み合わせによる触覚提示の強調(第二報):感覚の質に関する評価

水原遼, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2019
機械刺激と電気刺激の組み合わせによる触覚提示の強調

水原遼, 高橋哲史, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2018
粘着感計測の予備的検討

亀岡嵩幸, 髙橋哲史, ヤェムヴィボル, 梶本裕之

第3回多元質感知領域班会議　2017/03
腱電気刺激を用いたハプティックインタフェースの応用：マルチモーダル提示の検討

髙橋哲史, 梶本裕之

第21回日本バーチャルリアリティ学会大会　2016/09
腱電気刺激を用いたハプティックインタフェースにおける刺激パラメータと生起力覚量の関係—Relationship of force sensation and stimulation parameters in haptic interface using tendon electrical stimulation—ヒューマン情報処理

髙橋哲史, 田辺健太, 梶本裕之

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報（第17回力触覚の提示と計算研究会）　2016/03
圧力分布センサを用いた粘着感の測定

亀岡嵩幸, 高橋哲史, VIBOL Yem, 梶本裕之

日本バーチャルリアリティ学会大会論文集(CD-ROM)　2016

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Industrial Property Rights 3

力覚提示装置、力覚提示システム、及び力覚提示方法

梶本裕之, 中山翔太, 真鍋光希, 牛山奎悟, 宮上昌大, 高橋哲史

Property Type: Patent
触覚転移衣服および処理装置

森山多覇, 高橋哲史, 梶本裕之

Property Type: Patent
測定装置、測定方法および測定プログラム

亀岡嵩幸, 高橋哲史, ヤェムヴィボル, 梶本裕之

Property Type: Patent

Research Projects 3

ウェアラブル磁気末端神経刺激装置の設計と応用

高橋哲史

Offer Organization: 日本学術振興会

System: 科学研究費助成事業

Category: 若手研究

Institution: 東京大学

2025/04/01 - 2029/03/31
Development of a method for presenting visceral sensations through physical stimulation, mainly vibration and thermal stimulation

Offer Organization: Japan Society for the Promotion of Science

System: Grants-in-Aid for Scientific Research

Category: Grant-in-Aid for Scientific Research (B)

Institution: Tokyo University of Technology

2025/04/01 - 2029/03/31
腱直上での経皮的神経電気刺激による力覚提示

高橋哲史

Offer Organization: 日本学術振興会

System: 科学研究費助成事業

Category: 特別研究員奨励費

Institution: 電気通信大学

2020/04/24 - 2022/03/31

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より実用的な触力覚VRの技術開発として、小型な力覚提示本研究の目的は力覚を「皮膚感覚とは独立に」生起させる「小型な」力覚提示装置の実現である。これに対して、第一に任意の深部のみを効率よく刺激する手法の実現という実用化、また第二に、腱電気刺激による力覚提示の神経科学的な機序および物理的な解釈を明確化させることを目指した。深部のみを効率よく刺激する手法の実現については、複雑な刺激方法による任意の手法の開発にまでは至らなかったが、深部であると思われた組織が比較的浅部に表出する場合があり、見落とされていた刺激位置（手の甲）の有用性を発見、証明した。１年目はこの手法によりこれまで不可能であった各指を個別に刺激することを確認した。この内容は２年目に開催された国際学会でBest PaperおよびBest Demoを受賞した。２年目である本年はこのシステムがどの程度日常動作を再現できるかを最大屈曲角度および屈曲速度といった面から再解析した。この内容は国内論文誌に採択された。一方、腱上の電気刺激に関する研究では、上腕二頭筋の腱上にて電気刺激を与えることで、前腕が押されるような感覚が生じること、これを実際の錘による力提示を組み合わせたときに錘のみの力提示と比較して明らかに力覚が増大することを確認した。これまで腱上の電気刺激は、筋電気刺激と近い位置に電極を置き、同様な刺激パターンを与えるため、腱上電気刺激と筋電気刺激が同じものではないかという疑義があった。これに対し、腱上の電気刺激で刺激対象となっている腱につながっている筋を刺激する筋電気刺激をした場合と比較し、上述の力の増大がどう変化するかを確認したところ、腱上では力覚の増大が確認された一方、筋腹上の刺激では刺激なしと同等か、若干力が弱く評価され、腱上刺激は筋腹上刺激とは異なるものであると結論した。この結果は国際論文誌に採択された。

Teaching Experience 3

(TA) 数学演習第一　電気通信大学大学院情報理工学域
(TA) アカデミックリテラシー　電気通信大学大学院情報理工学域
(TA) 情報領域演習第三　電気通信大学

Academic Activities 5

第５回神経刺激インターフェース研究会（香り・味と生体情報研究委員会（SBR）との合同研究会）

2025/02/18 -

Activity type: Academic society, research group, etc.
An Associate Chair of ACM CHI 2025 LBW

Activity type: Peer review
日本バーチャルリアリティ学会論文誌NSI特集号編集担当委員

Activity type: Peer review
An Associate Chair of IEEE VR 2025

Activity type: Peer review
An Associate Chair of ACM SUI 2023

Activity type: Peer review