Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647816 | Automatic transmission | Hirofumi Michioka, Masahiro Yamamoto, Koichi Hayasaki | 1997-07-15 |
| 5439088 | Automatic transmission with passages connecting apply and cancel chambers | Hirofumi Michioka, Masahiro Yamamoto, Koichi Hayasaki | 1995-08-08 |