Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685271 | Hand lever device | Hisato Ohsawa, Hirofumi Yamami, Fumihiko Aiyama | 1997-11-11 |
| 5664543 | Hand lever device | Hisato Ohsawa, Hirofumi Yamami, Fumihiko Aiyama | 1997-09-09 |
| 5630385 | Internal combustion engine with decompression device | — | 1997-05-20 |