Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873892 | Power transfer device | — | 1989-10-17 |
| 4869128 | Planetary gear train for automatic transmission | — | 1989-09-26 |
| 4815341 | Electronically controlled automatic transmission | Hirofumi Shiba, Katsuma Nakamura | 1989-03-28 |
| 4813300 | Power transmission with torque converter | — | 1989-03-21 |