Issued Patents All Time
Showing 76–88 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840092 | Hydraulic control device for automatic transmissions | Yutaka Taga, Yuji Kashihara | 1989-06-20 |
| 4829853 | Hydraulic control system for automatic transmission | — | 1989-05-16 |
| 4748809 | Hydraulic servo mechanism of automatic transmission for vehicle | Koji Sumiya, Yutaka Taga, Seitoku Kubo, Shuzo Moroto | 1988-06-07 |
| 4727773 | Hydraulic circuit for controlling automatic transmission | Koji Sumiya, Takuji Taniguchi, Yutaka Taga, Yoshio Shindo | 1988-03-01 |
| 4727772 | Multistage automatic shift control apparatus | Koji Sumiya, Takuji Taniguchi, Yutaka Taga, Yoshio Shindo | 1988-03-01 |
| 4727774 | Cut-back pressure control device for multi-speed automatic transmission | Koji Sumiya, Takuji Taniguchi, Yutaka Taga, Yoshio Shindo | 1988-03-01 |
| 4722251 | Hydraulic circuit for controlling an automatic transmission | Koji Sumiya, Takuji Taniguchi, Yutaka Taga, Yoshio Shindo | 1988-02-02 |
| 4722250 | Accumulator back pressure control apparatus for automatic transmission | Koji Sumiya, Takuji Taniguchi, Yutaka Taga, Yoshio Shindo | 1988-02-02 |
| 4697474 | Lock-up clutch control device for a multi-speed automatic transmission | Koji Sumiya, Takuji Taniguchi, Yutaka Taga, Yoshio Shindo | 1987-10-06 |
| 4633739 | System for controlling automatic transmission having communication control valve means | Tsunehiko Ogasawara, Yoshichika Arakawa, Koji Sumiya | 1987-01-06 |
| 4631982 | Electronically controlled automatic transmission control system | Nobuaki Miki, Kozo Mandokoro, Seitoku Kubo | 1986-12-30 |
| 4618038 | Control apparatus of an automatic transmission with a lock-up clutch | Tsunehiko Ogasawara, Yoshichika Arakawa, Koji Sumiya | 1986-10-21 |
| 4616531 | Hydraulic and electronic control system for an automatic transmission | Tsunehiko Ogasawara, Yoshichika Arakawa, Koji Sumiya | 1986-10-14 |