Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926711 | Worm gear type differential mechanism | — | 1990-05-22 |
| 4633739 | System for controlling automatic transmission having communication control valve means | Tsunehiko Ogasawara, Koji Sumiya, Yoshikazu Sakaguchi | 1987-01-06 |
| 4618038 | Control apparatus of an automatic transmission with a lock-up clutch | Tsunehiko Ogasawara, Koji Sumiya, Yoshikazu Sakaguchi | 1986-10-21 |
| 4616531 | Hydraulic and electronic control system for an automatic transmission | Tsunehiko Ogasawara, Koji Sumiya, Yoshikazu Sakaguchi | 1986-10-14 |