Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996893 | Speed change control device in automatic transmission for automobile | Hirofumi Shiba | 1991-03-05 |
| 4815341 | Electronically controlled automatic transmission | Masahiro Ohkubo, Hirofumi Shiba | 1989-03-28 |