Takeshi Koyama, Takayuki Tanaka, Kazuo Tanaka, Maria Q. Feng. Interaction among Human, Machine and Patient with Work State Transition (共著). Proceedings of IEEE International Conference on Robotics and Automation (IEEE ICRA2003). 2003. 2362-2367
Takeshi Koyama, Takayuki Tanaka, Kazuo Tanaka, Maria Q. Feng. Evaluation Method of Man-Machine System based on Muscular Characteristic (共著). Proceedings of 11th IEEE International Workshop on Robot and Human Interactive Communication (IEEE ROMAN2002). 2002. 71-76
Takeshi Koyama, Takayuki Tanaka, Maria Q. Feng. Human-Machine Interaction via Estimation of Human's Intention (共著). Proceedings of The International Conference on Mechatronics and Information Technology. 2001. 406-410
Takeshi Koyama, Maria Q. Feng, Takayuki Tanaka. Mechanical Modeling and Control of Wearable Nursing Care Robot (共著). Assistive Technology Research Series 9, Integration of assistive technology in the information age (Proceedings of The International Conference on Rehabilitation Robotics). 2001. 227-234
Takeshi Koyama, Maria Q. Feng, Takayuki Tanaka. Wearable Human Assisting Robot for Nursing Use (共著). Machine Intelligence & Robotic Control. 2000. 2. 4. 163-167