Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867014 | Accumulator/friction element arrangement for automatic transmission | — | 1989-09-19 |
| 4867194 | Control system for alleviating shock in automatic transmission | Koichi Hayasaki | 1989-09-19 |
| 4843920 | Combined forward pressure and torque converter control for automatic transmission | Koichi Hayasaki | 1989-07-04 |
| 4807496 | Control system for alleviating shock in automatic transmission | Koichi Hayasaki | 1989-02-28 |