Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478291 | Gear shift system for automatic transmission | Ryuji Ibaraki, Hideaki Otsubo | 1995-12-26 |
| 5313794 | Fluid coupling | Takashi Hara, Koji Maeda, Ryoji Habuchi | 1994-05-24 |
| 5279118 | Fluid coupling | Takeshi Hara, Koji Maeda, Ryoji Habuchi | 1994-01-18 |
| 5086672 | Hydraulic control apparatus for vehicle transmission system, incorporating valves for reverse inhibit valve | Nobuyuki Kato, Ryoji Habuchi, Hiroshi Itoh | 1992-02-11 |
| 5085104 | Hydraulic control apparatus for vehicle power transmitting system | Katsumi Kouno, Yuji Hattori | 1992-02-04 |
| 5067603 | Apparatus for controlling hydraulically operated clutch in vehicle transmission system, including two valves for engaging and disengaging the clutch | Nobuyuki Kato, Ryoji Habuchi, Hiroshi Itoh | 1991-11-26 |
| 5052247 | Hydraulic control apparatus for belt-and-pulley type continuously variable transmission, incorporating fail-safe protective means | Nobuyuki Kato, Seitoku Kubo, Katsumi Kouno, Tetsuya Abe, Hiroshi Itoh +1 more | 1991-10-01 |
| 5052980 | Hydraulic control apparatus for vehicle power transmitting system having continuously variable transmission | Hiroshi Itoh, Masami Sugaya, Yoshinobu Soga, Ryoji Habuchi, Katsumi Kouno +2 more | 1991-10-01 |
| 5050715 | Hydraulic control apparatus for vehicle power transmitting system having fluid coupling incorporating lock-up clutch | Hiroshi Itoh, Ryoji Habuchi, Masami Sugaya, Yoshinobu Soga | 1991-09-24 |
| 5006093 | Hydraulic control apparatus for vehicle power transmitting system having continuously variable transmission | Hiroshi Itoh, Masami Sugaya, Yoshinobu Soga, Ryoji Habuchi, Katsumi Kouno +1 more | 1991-04-09 |
| 4955852 | Planetary gear mechanism having means for accurate alignment of sun gear | — | 1990-09-11 |
| 4950213 | Planetary gear transmission having an arrangement for efficient lubrication of planetary gears | — | 1990-08-21 |
| 4871344 | Power transmission chain belt | — | 1989-10-03 |
| 4817474 | Hydraulic pressure control apparatus for use in automatic transmission | — | 1989-04-04 |
| 4793209 | Four-wheel-driving system having a continuously variable sub-transmission | — | 1988-12-27 |
| 4793217 | Method and apparatus for controlling power transmitting system for automotive vehicle, including continuously variable transmission and auxiliary transmission | Michitaka Kakamu, Nobuyuki Kato | 1988-12-27 |
| 4792012 | Anti torque shock control device and method engaging torque transmitting clutch between vehicle wheels when transmission is shifted from non drive range to drive range | Hideki Yasue, Kagenori Fukumura, Kenichi Yoshizawa, Yasunari Nakamura | 1988-12-20 |
| 4787272 | Hydraulic pressure control apparatus for use in automatic transmission | Yutaka Taga | 1988-11-29 |
| 4784018 | Belt type continuously variable transmission system | Mitsuhiko Okada, Michitaka Kakamu, Nobuyuki Kato | 1988-11-15 |
| 4768399 | Four wheel drive power transmission system with clutch between central torque non balanced differential device and one wheel pair | Seitoku Kubo, Yutaka Taga | 1988-09-06 |
| 4754836 | Control method and device for automotive vehicle four wheel drive transmission suppressing front/rear differential action when automatic main transmission is in intermediate hold range | Yoshiharu Harada, Yutaka Taga | 1988-07-05 |
| 4729450 | Anti torque shock control device and method engaging torque transmitting clutch between vehicle wheels when transmission is shifted from non drive range to drive range | Hideki Yasue, Kagenori Fukumura, Kenichi Yoshizawa, Yasunari Nakamura | 1988-03-08 |
| 4726254 | Four wheel drive power transmission system with front universal joint of front propeller shaft located towards gearbox from engine | Seitoku Kubo, Yutaka Taga | 1988-02-23 |
| 4721011 | Four wheel drive power transmission system with front propeller shaft including no universal joints connecting transfer device to front differential | Seitoku Kubo, Yutaka Taga | 1988-01-26 |
| 4719822 | Hydraulic pressure control apparatus for use in an automotive transmission | — | 1988-01-19 |