Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085102 | Hydraulic control apparatus for automatic transmissions | Yoshinobu Iwase, Shiro Sonoda, Kazuaki Watanabe, Teruo Akashi | 1992-02-04 |
| 4909345 | Power transmission device for four wheel drive vehicles | Tatsuya Iwatsuki, Takenori Kano, Fumitomo Yokoyama, Yasunari Nakamura, Teruo Akashi +2 more | 1990-03-20 |
| 4782724 | Automatic transmission control system incorporating an exhaust brake | Choji Furusawa, Shigeki Goto, Satoshi Maruchi | 1988-11-08 |
| 4688451 | Transmission control system with separate shift timing control pressure supply passage | Takahiro Sakai | 1987-08-25 |
| 4669435 | Exhaust brake control system | Choji Furusawa, Shigeki Goto, Satoshi Maruchi | 1987-06-02 |
| 4616532 | Automatic transmission hydraulic pressure control system with one-way fluid drain passage bypassing downshift timing subsystem | Takahiro Sakai | 1986-10-14 |
| 4606242 | Parking device | Hiromi Hasegawa, Yoshinobu Iwase, Yutaka Taga, Takahiro Sakai | 1986-08-19 |
| 4408462 | Pressure regulating device for use in an automatic transmission | Shiro Sakakibara, Shinobu Maseki, Kazuaki Watanabe | 1983-10-11 |