Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889466 | Control device for a power shovel | Hideo Jindai, Masakazu Yoshida, Hideki Yamada | 1989-12-26 |
| 4585431 | Sprocket assembly for a track type vehicle | Haruhiko Umeda, Nobuo Fujita, Kazuyuki Onohara, Yasuo Fujiwara | 1986-04-29 |