Development of Ladder Climbing Robot LCR-1. - H. lida; Hisashi Hozumi; Ryoichi Nakayama (J. Robotics Mechatronics, 1989)

Sensor Fusion in Intelligent Maintenance Robot. - Ryoichi Nakayama; Hideharu Okano; Tatsuo Miyazawa (J. Robotics Mechatronics, 1990)

Fault tolerance of a functionally adaptive and robust manipulator. - Shinya Kotosaka; Hajime Asama; Hayato Kaetsu; Isao Endo; Katsuhiko Sato; Satoshi Okada; Ryoichi Nakayama (IROS, 1993)

Distributed Control System for Six-Legged Walking Robot. - Ryoichi Nakayama; Hitoshi Iida; Hisashi Hozumi; Satoshi Okada; Hideharu Okano; Tatsuo Miyazawa (J. Robotics Mechatronics, 1993)