Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4922765 | Lubricating structure for transmission mechanism | Yoichi Hayakawa, Takahiro Yamashita, Yoshiharu Harada | 1990-05-08 |
| 4890512 | Hydraulic servo for friction coupling element of automatic transmission | Takenori Kano, Koji Kobayashi, Koji Sumiya, Seitoku Kubo | 1990-01-02 |
| 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 |
| 4753132 | Hydraulic servo for friction coupling devices of automatic transmissions | Koji Sumiya, Koji Kobayashi, Haruki Takemoto, Seitoku Kubo, Yutaka Taga | 1988-06-28 |
| 4736653 | Power transmission | Yoichi Hayakawa, Kozo Kato, Yoshiharu Harada, Chihiro Hosono | 1988-04-12 |
| 4735111 | Brake support mechanism for transmissions | Yoichi Hayakawa, Kozo Kato, Yoshiharu Harada | 1988-04-05 |
| 4726262 | Automatic transmission with overdrive inhibitor | Yoichi Hayakawa, Kaiya Fujiura, Yoshiharu Harada | 1988-02-23 |
| 4724745 | Hydraulic servo drum for friction clutch | Koji Sumiya, Takenori Kano, Yutaka Taga | 1988-02-16 |
| 4716998 | Direct coupling clutch with a damper device for a fluid coupling | Kazumasa Tsukamoto, Masahiro Hayabuchi, Koji Maeda, Yutaka Taga | 1988-01-05 |
| 4714146 | Friction coupling element of automatic transmission | Shuzo Moroto, Koji Sumiya, Seitoku Kubo, Koji Kobayashi, Yutaka Taga | 1987-12-22 |
| 4693348 | Direct coupling clutch with an integral damper device for a fluid coupling | Kazumasa Tsukamoto, Masahiro Hayabuchi, Koji Maeda, Yutaka Taga | 1987-09-15 |
| 4693353 | Support for transmission shaft and hydraulic servo drum | Koji Kobayashi, Koji Sumiya, Yutaka Taga | 1987-09-15 |
| 4690037 | Hydraulic servo for friction coupling element of automatic transmission | Koji Sumiya, Seitoku Kubo | 1987-09-01 |
| 4682534 | Hydraulic servo for friction coupling element of automatic transmission | Koji Sumiya, Takenori Kano, Seitoku Kubo | 1987-07-28 |
| 4679450 | Control system for selectively switchable two/four wheel drive automatic transmission system shifting transfer transmission according to main transmission speed stage | Yoichi Hayakawa, Masao Kawai, Yutaka Taga, Yoshiharu Harada | 1987-07-14 |
| 4469206 | Hydraulically-operated frictional engagement device | Jiro Motomura, Seiichi Nishikawa | 1984-09-04 |
| 4455890 | Overdrive device for automatic transmissions | Koujiro Kuramochi, Yukio Terakura | 1984-06-26 |
| 4441385 | Transmission control system with positive lockup clutch disengaging system | Yutaka Taga, Shinya Nakamura | 1984-04-10 |
| 4408462 | Pressure regulating device for use in an automatic transmission | Shiro Sakakibara, Shinobu Maseki, Isamu Minemoto | 1983-10-11 |
| 4222289 | Automatic transmission with overdrive | Kouziro Kuramochi, Yukio Terakura | 1980-09-16 |