Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5029493 | Hydraulic control device in automatic transmission in vehicle equipped with electronic throttle opening control device | Mitsuru Takada, Makoto Funahashi | 1991-07-09 |
| 4974696 | Power transmission device for four wheel drive vehicles | Shin Miyajima, Takenori Kano, Fumitomo Yokoyama, Yasunari Nakamura, Masaharu Tanaka | 1990-12-04 |
| 4866935 | Hydraulic torque converter | Masahiro Hayabuchi, Kazumasa Tsukamoto, Tokuyuki Takahashi, Seitoku Kubo | 1989-09-19 |
| 4858646 | Hydraulic pressure control device for clutch for controlling drive torque distribution in four wheel drive device | Nobuyuki Kato, Shinya Nakamura, Yasuo Houjo | 1989-08-22 |
| 4839041 | Magnetic oil strainer | Yoshinari Kuwayama, Fumitomo Yokoyama, Tatsuo Kyushima | 1989-06-13 |
| 4836050 | Transverse type automatic transmission with two separate lay shaft elements | Akio Numazawa, Seitoku Kubo | 1989-06-06 |
| 4817472 | Transmission control system with protection against excessively high speed downshifting | Seitoku Kubo, Tatsuo Kyushima | 1989-04-04 |
| 4783960 | Fluid torque converter with axially cut away stator inner shell | Seitoku Kubo, Tokuyuki Takahashi | 1988-11-15 |
| 4768633 | Torque converter lock up clutch rotary shock absorber with inner plate element location construction | Seitoku Kubo, Tatsuo Kyushima | 1988-09-06 |
| 4739678 | Oil separating structure of automatic transmission | Masakatsu Miura, Takeshi Inuzuka, Tatsuya Iwatsuki, Seitoku Kubo | 1988-04-26 |
| 4690239 | Control system for intermediate differential in four-wheel drive vehicle | Tokuyuki Takahashi, Syoichi Sayou | 1987-09-01 |
| 4683903 | Governor valve | Fumitomo Yokoyama, Yoshinari Kuwayama, Mitsugu Tatsuta | 1987-08-04 |
| 4676123 | Automobile transmission with output shaft parallel to crank shaft and parking gear fixed to the output shaft | Seitoku Kubo, Tatsuo Kyushima | 1987-06-30 |
| 4646890 | One-way clutch mounting means for automatic transmissions | Yoshihiro Yamada, Mutsumi Kawamoto, Tatsuya Iwatsuki | 1987-03-03 |
| 4645441 | Internal-gear pump with partition plate having a chamfered edge | Ryoichi Shirai, Fumitomo Yokoyama | 1987-02-24 |
| 4528869 | Automatic transmission for vehicles | Seitoku Kubo, Hajime Arai | 1985-07-16 |
| 4499789 | Automatic transmission with overdrive housing including its own accumulator | Tokuyuki Takahashi | 1985-02-19 |
| 4480499 | Driving device for automobiles | Seitoku Kubo, Tatsuo Kyushima | 1984-11-06 |
| 4455890 | Overdrive device for automatic transmissions | Kazuaki Watanabe, Yukio Terakura | 1984-06-26 |
| 4441594 | Fluid type torque converter apparatus | Seitoku Kubo, Tatsuo Kyushima | 1984-04-10 |
| 4440276 | Torque converter lock up clutch shock absorber with pressure transmitting hole through disk element | Seitoku Kubo, Tatsuo Kyushima | 1984-04-03 |
| 4437358 | Transmission with torque converter and lock up clutch with lubrication and pressurization system | Seitoku Kubo, Tatsuo Kyushima | 1984-03-20 |
| 4428258 | Transmission control system with modified back pressure accumulator | Seitoku Kubo, Tatsuo Kyushima | 1984-01-31 |
| 4428259 | Fail safe automatic transmission lock up clutch control system | Seitoku Kubo, Tatsuo Kyushima | 1984-01-31 |
| 4427098 | Torque transmission apparatus including direct coupling clutch and fluid-type torque converter | Seitoku Kubo, Tatsuo Kyushima | 1984-01-24 |