Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12042406 | Multi-articulated link knee joint | — | 2024-07-23 |
| 11413166 | Prosthetic leg knee joint, braking device, and load position detector | — | 2022-08-16 |
| 11058558 | Multi-articulated link knee joint | — | 2021-07-13 |
| 10893958 | Multi-articulated link knee joint | — | 2021-01-19 |
| 9089443 | Multi-articulated link knee joint | Takuya Shirata, Yoshiaki Nakaya | 2015-07-28 |
| 8529634 | Prosthetic limbs with means capable of reducing torque in the initial period of bend of knee joint | Yoshiaki Nakaya | 2013-09-10 |
| 8500824 | Knee joint including manual lock mechanism and artificial thigh | Yoshiaki Nakaya | 2013-08-06 |
| D617460 | Adjustable adaptor for a prosthetic leg | Yoshiaki Nakaya | 2010-06-08 |
| 7588604 | Prosthetic leg with knee braking function | Toyohiko Imakita, Aritomo Fukui, Yoshiaki Nakaya | 2009-09-15 |
| 7344569 | Closed position maintainable selector valve, knee torque device using the valve, and artificial leg | Toyohiko Imakita, Aritomo Fukui, Yoshiaki Nakaya | 2008-03-18 |
| 6558430 | Air-cylinder apparatus for prosthetic limb | Yoshiaki Nakaya, Tsutomu Togashi, Norio Shiraishi | 2003-05-06 |
| 6086616 | Prosthetic leg with extension auxiliary mechanism | Kotaro Tanaka, Kiyoshi Morimoto, Yasukazu Furuichi, Norio Shiraishi | 2000-07-11 |
| 5888237 | Artificial limb including air cylinder device | Norio Shiraishi, Yasukazu Furuichi, Kazuo Nakatani | 1999-03-30 |