Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098354 | Accumulator device of hydraulic fluid control system | Jiro Nishiwaki, Yoichi Hayakawa | 1992-03-24 |
| 5092201 | Hydraulic control device for an automatic transmission | Youichi Hatakawa, Yoshihiro Yamada | 1992-03-03 |
| 5038638 | Hydraulic control device for an automatic transmission | Youichi Hayakawa, Yoshihiro Yamada | 1991-08-13 |
| 5031480 | Hydraulic controller for an automatic transmission | Masahiko Ando, Yoichi Hayakawa | 1991-07-16 |
| 5020393 | Hydraulic controller for an automatic transmission | Masahiko Ando, Yoichi Hayakawa | 1991-06-04 |
| 4995285 | Fail-safe hydraulic control valves in an automatic transmission | Youichi Hayakawa, Yoshihiro Yamada | 1991-02-26 |
| 4942782 | Reverse shift control device on automatic transmission | Fumitomo Yokoyama, Masakatsu Miura | 1990-07-24 |
| 4924731 | Hydraulic control device for an automatic transmission | Youichi Hayakawa, Yoshihiro Yamada | 1990-05-15 |
| 4903550 | Hydraulic control device for automatic transmission | Fumitomo Yokoyama | 1990-02-27 |
| 4889016 | Hydraulic servo regulating systems in an automatic transmission | Fumitomo Yokoyama, Masakatsu Miura | 1989-12-26 |
| 4875392 | Manual valve in an automatic transmission | Fumitomo Yokoyama, Masakatsu Miura | 1989-10-24 |
| 4850251 | Hydraulic control device for automatic transmission | Fumitomo Yokoyama, Masakatsu Miura | 1989-07-25 |
| 4839041 | Magnetic oil strainer | Fumitomo Yokoyama, Koujiro Kuramochi, Tatsuo Kyushima | 1989-06-13 |
| 4683903 | Governor valve | Fumitomo Yokoyama, Mitsugu Tatsuta, Koujiro Kuramochi | 1987-08-04 |
| 4614256 | Parking brake structure for automatic transmission mechanism | Masakatsu Miura, Kunio Morisawa | 1986-09-30 |
| 4610336 | Automatic transmission locking mechanism for parking | Masakatsu Miura, Kunio Morisawa | 1986-09-09 |
| 4610337 | Parking brake structure for automatic transmission mechanism | Masakatsu Miura, Kunio Morisawa | 1986-09-09 |
| 4585103 | Automatic transmission locking mechanism for parking | Masakatsu Miura, Kunio Morisawa | 1986-04-29 |