Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7588604 | Prosthetic leg with knee braking function | Masahiko Okuda, Toyohiko Imakita, Yoshiaki Nakaya | 2009-09-15 |
| 7344569 | Closed position maintainable selector valve, knee torque device using the valve, and artificial leg | Toyohiko Imakita, Masahiko Okuda, Yoshiaki Nakaya | 2008-03-18 |