Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144860 | Rotation transmitting mechanism for steering wheel | Kenshi Furuhashi, Yoshinobu Sugiyama | 1992-09-08 |
| 4974562 | Oil pump device of an engine | Keisuke Ishii, Manabu Sudo | 1990-12-04 |
| D310373 | Engine | Keisuke Ishii, Kiyohide Sumi | 1990-09-04 |
| 4331447 | Coal treatment for ash removal and agglomeration | Hiroshi Kamada, Kazumoto Saito, Toshiaki Murata, Tadahisa Miwa, Masao Goto +1 more | 1982-05-25 |