Development of a Wearable Four-Degrees-of-Freedom Force Feedback Device with a Clutch Mechanism Using Artificial Muscle Contraction. - Ryunosuke Sawahashi; Yuki Onozuka; Toshinari Tanaka; Manabu Okui; Taro Nakamura 001 (ICIT, 2021)

Dropping Sensation for Development of Lower Limb Force Feedback Device. - Taiki Masuda; Toshinari Tanaka; Ryunosuke Sawahashi; Manabu Okui; Rie Nishihama; Taro Nakamura 001 (RO-MAN, 2021)

Prototype of an exoskeletal lower limb force-feedback device for moving extensively in VR space. - Taiki Masuda; Ryunosuke Sawahashi; Jonah Komatsu; Manabu Okui; Rie Nishihama; Taro Nakamura 001 (IECON, 2022)

Development of Semi-active Force Feedback Shoes with MR Brake Rendering a Falling Sensation and Descent Acceleration Measurement. - Ryunosuke Sawahashi; Toshinari Tanaka; Taiki Masuda; Manabu Okui; Rie Nishihama; Taro Nakamura 001 (IECON, 2022)

Proposal of posture guidance method using air jetting with table tennis racket type device. - Rin Suzuki; Ryunosuke Sawahashi; Rie Nishihama; Manabu Okui; Taro Nakamura 001 (IECON, 2022)

Distributed Deployment With Multiple Moving Robots for Long Distance Complex Pipe Inspection. - Hiroto Sato; Kousuke Uchiyama; Fumio Ito; Ryunosuke Sawahashi; Taro Nakamura 001 (IEEE Robotics Autom. Lett., 2022)

Proposal for a Lifting Support Device for LP Gas Delivery Operations. - Kiyotaka Oba; Ryunosuke Sawahashi; Manabu Okui; Rie Nishihama; Taro Nakamura 001 (IECON, 2023)

Presentation of Underwater Sensation by Drag in Knee Motion with a Lower Limb Exoskeleton Using MR Fluid Brakes. - Ryunosuke Sawahashi; Taiki Masuda; Taiga Shimizu; Rie Nishihama; Manabu Okui; Taro Nakamura 001 (ISIE, 2023)

Development of Shoulder Mechanism for a Wearable Upper Limb Force-Feedback Device with Pneumatic Artificial Muscles and MR Brakes. - Jonah Komatsu; Ryunosuke Sawahashi; Taiki Masuda; Manabu Okui; Taro Nakamura 001 (SII, 2023)

Experimental evaluation of the white cane device with force-feedback function using air jets. - Hirochika Oshima; Ryunosuke Sawahashi; Manabu Okui; Rie Nishihama; Taro Nakamura 001 (SII, 2023)

Shoe-Type-Force-Feedback Device and Falling Sensation with Two-Step Dropping. - Yuki Ishida; Ryunosuke Sawahashi; Rie Nishihama; Taro Nakamura 001 (SMC, 2023)

Development of a Bimanual Wearable Force Feedback Device with Pneumatic Artificial Muscles, MR Fluid Brakes, and Sensibility Evaluation Based on Pushing Motion. - Ryunosuke Sawahashi; Jonah Komatsu; Rie Nishihama; Manabu Okui; Taro Nakamura 001 (J. Robotics Mechatronics, 2023)

Effect of Force Feedback during Interaction with Straight-line Movement in a VR Space by an Upper-limb Wearable Force Feedback Device. - Natsuki Hayami; Ryunosuke Sawahashi; Jonah Komatsu; Rie Nishihama; Manabu Okui; Taro Nakamura 001 (AIM, 2024)

Development of a Flexible Propulsion Mechanism Using a Braided Structure of Metal Plate for a Lunar Exploration Drilling Robot. - Ryunosuke Sawahashi; Hiroto Nagashima; Chikage Fujikawa; Takashi Kubota; Taro Nakamura 001 (CLAWAR (2), 2024)

Weight Sensory Presentation Considering Impulsive Force of Ball Kicking by a Force Feedback Exoskeleton using MR Fluid Brakes. - Taiga Shimizu; Ryunosuke Sawahashi; Taro Nakamura 001 (ICIT, 2024)

Experimental Verification of the Effect of Peristaltic Mixing Pumps on Fermentation Acceleration: Initial Investigation of the Acceleration of Lactic Acid Fermentation by a High Viscosity Fermentation Substrate. - Yuki Enomoto; Masataka Uchino; Kaho Nomura; Ryunosuke Sawahashi; Taro Nakamura 001 (SII, 2024)

Development of Dynamic Posture Keeping Training Device for Maintenance of Antigravity Muscles in a Microgravity Environment - Validation of Training Effects Based on a 2DOF Kinetic Model Considering Lumbar Flexion-. - Koki Tahara; Yusuke Shimoda; Ryunosuke Sawahashi; Rie Nishihama; Daisuke Masuda; Taro Nakamura 001 (SII, 2024)

Development of a dropping motion presentation device with bellows actuator to improve the sensation of falling in a VR. - Yuki Ishida; Ryunosuke Sawahashi; Rie Nishihama; Taro Nakamura 001 (SII, 2025)

HADEC - High-Response Artificial Muscle Actuator Using Dimethyl Ether Combustion. - Kengo Mori; K. Tsurumi; Ryunosuke Sawahashi; R. Enjo; Taro Nakamura 001; Manabu Okui (IEEE Robotics Autom. Lett., 2025)