Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156232 | Operation controlling apparatus of the passenger working machine | Yoshiaki Kotani, Naoya Toida, Kazunobu Sato | 1992-10-20 |
| 4928458 | Engine control device for mower | Yoshiaki Kotani | 1990-05-29 |