Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4722249 | Control system for a transmission having a main transmission and a sub-transmission | Yoshiharu Harada, Yutaka Taga, Kenichi Yoshizawa, Yoichi Hayakawa | 1988-02-02 |
| 4721018 | Transmission control having a plurality of speed changing ratios for controlling a transmission system | Yoshiharu Harada, Yutaka Taga, Seiichi Nishikawa, Yoichi Hayakawa | 1988-01-26 |
| 4718311 | Hydraulic control system for automatic transmissions | Yoichi Hayakawa, Seiichi Nishikawa, Kagenori Fukumura | 1988-01-12 |
| 4713989 | Shift shock suppression in automatic transmission | Yoichi Hayakawa, Seiichi Nishikawa, Kagenori Fukumura | 1987-12-22 |
| 4713988 | Transmission control device | Yoshiharu Harada, Yutaka Taga, Kagenori Fukumura, Yoichi Hayakawa | 1987-12-22 |
| 4708032 | Transmission control device having selectable rotation speed detector | Yoshiharu Harada, Yutaka Taga, Kagenori Fukumura, Yoichi Hayakawa | 1987-11-24 |
| 4697479 | Engine throttle opening dependent hydraulic vehicular transmission system | Yoichi Hayakawa, Kenichi Yoshizawa, Yoshiharu Harada, Kagenori Fukumura | 1987-10-06 |
| 4693143 | Control device for an automatic transmission system | Yoshiharu Harada, Yutaka Taga, Kagenori Fukumura, Yoichi Hayakawa | 1987-09-15 |
| 4688449 | Transmission control device | Yoshiharu Harada, Yutaka Taga, Seiichi Nishikawa, Yoichi Hayakawa | 1987-08-25 |
| 4679450 | Control system for selectively switchable two/four wheel drive automatic transmission system shifting transfer transmission according to main transmission speed stage | Yoichi Hayakawa, Yutaka Taga, Kazuaki Watanabe, Yoshiharu Harada | 1987-07-14 |