Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889621 | Oil strainer for an automatic transmission | Yoshihiro Yamada, Ryoichi Shirai | 1989-12-26 |
| 4864892 | Automatic transmission mechanism | Masahiko Ando, Masaaki Nishida, Toshihiro Yamada | 1989-09-12 |