Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666915 | Oil passage structure in an engine | Fuminori Kawashima, Hideo Ueshima, Keiji Ohtsu, Masayuki Takahashi | 1997-09-16 |
| 5526781 | Oil pan for an internal combustion engine | Izumi Sugiyama | 1996-06-18 |
| 5207193 | Valve operating system in internal combustion engine | Chihaya Sugimoto | 1993-05-04 |
| 4829948 | Valve operating device for internal combustion engine | Kazuo Yoshida, Kenji Hirose, Toshiyasu Komatsu, Kazuaki Shimoyama | 1989-05-16 |