Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5050447 | Oil reservoir device for an automatic transmission | Youichi Hayakawa | 1991-09-24 |
| 4971185 | Oil channel structure for automatic transmission | Youichi Hayakawa | 1990-11-20 |
| 4889621 | Oil strainer for an automatic transmission | Yoshihiro Yamada, Youichi Hayakawa | 1989-12-26 |
| 4645441 | Internal-gear pump with partition plate having a chamfered edge | Fumitomo Yokoyama, Koujiro Kuramochi | 1987-02-24 |