Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5714719 | Workload detecting system for excavating and loading apparatus | Kazuo Otsuka, Kunihiko Imanishi, Kenzo Kimoto | 1998-02-03 |
| 5696331 | Apparatus for detecting metal powder amount in hydraulic circuit | Kazuo Otsuka, Kunihiko Imanishi, Kenzo Kimoto | 1997-12-09 |
| 5447132 | Control system for multiple engines | Kunihiko Imanishi | 1995-09-05 |