Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558430 | Air-cylinder apparatus for prosthetic limb | Yoshiaki Nakaya, Tsutomu Togashi, Masahiko Okuda | 2003-05-06 |
| 6086616 | Prosthetic leg with extension auxiliary mechanism | Masahiko Okuda, Kotaro Tanaka, Kiyoshi Morimoto, Yasukazu Furuichi | 2000-07-11 |
| 5899943 | Artificial limb including knee joint | Yasukazu Furuichi, Kazuo Nakatani | 1999-05-04 |
| 5888237 | Artificial limb including air cylinder device | Yasukazu Furuichi, Kazuo Nakatani, Masahiko Okuda | 1999-03-30 |
| 4272156 | Illumination optical system using optical fiber bundles | Kuniaki Ishibashi, Susumu Oshiro | 1981-06-09 |