Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816599 | Bicycle torque detection apparatus and bicycle including the same | Kenjiro Soejima | 1998-10-06 |
| 4991056 | Case for electronic units | Norio Shimizu, Yuichi Watanabe | 1991-02-05 |
| D305020 | Programmable controller | Kiichi Naoi, Yuichi Watanabe | 1989-12-12 |