Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882952 | Hydraulic control system for automatic transmission with shifting shock reducing means | Yuji Kashihara, Seitoku Kubo | 1989-11-28 |
| 4879925 | Hydraulic control system for automatic transmission, incorporating fail safe and progressive creep control and hill hold control | Yuji Kashihara | 1989-11-14 |
| 4858500 | Apparatus for controlling lock-up clutch in automatic transmission system having main transmission and sub-transmission | Yoshiharu Harada, Kagenori Fukumura, Yoichi Hayakawa, Masao Kawai | 1989-08-22 |
| 4854195 | Hydraulic control system for vehicular automatic transmission with two accumulator control values to vary back pressure to accumulator to follow the change in engine torque | Shuzo Moroto, Koji Sumiya, Yoshikazu Sakaguchi, Seitoku Kubo | 1989-08-08 |
| 4840092 | Hydraulic control device for automatic transmissions | Yoshikazu Sakaguchi, Yuji Kashihara | 1989-06-20 |
| 4838125 | System for shift control in automatic transmission | Yukio Hamano, Hideo Tomomatsu, Fumiaki Izumi | 1989-06-13 |
| 4807492 | Mechanism for supporting transmission shafts of automatic transmission apparatus | Syuzo Moroto, Koji Sumiya, Yukihiro Kobayashi, Takenori Kano, Akira Hoshino +2 more | 1989-02-28 |
| 4803901 | Method and system for detecting the rotation rate of the output shaft of a torque converter | Yukio Hamano, Seitoku Kubo | 1989-02-14 |