Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229372 | Slippage prevention apparatus of belt-drive continuously variable transmission for automotive vehicle | Shigeki Shimanaka, Hiroyasu Tanaka, Youhei Ishikawa, Yoshihisa Kodama, Hideki Oshita | 2007-06-12 |
| 7192383 | Control apparatus and method for automotive vehicle in which a belt-type continuously variable transmission is equipped with a belt slip preventive feature | Tetsuya Shimada, Masahiro Iriyama, Kenichi Gotou, Masahiro Yamamoto, Yoshihisa Kodama +4 more | 2007-03-20 |
| 7169070 | Transmission controller of V-belt type continuously variable automatic transmission | Tateki Jozaki, Shigeru Ishii, Masahiro Yamamoto, Hiroyasu Tanaka, Youhei Ishikawa | 2007-01-30 |
| 7112154 | System and method for hydraulically controlling automatic transmission | Yoshihisa Kodama, Masahiro Yamamoto, Taichirou Yokoyama | 2006-09-26 |
| 7037235 | Speed change ratio control unit for continuously variable transmission | Tateki Jozaki, Shigeru Ishii, Masahiro Yamamoto, Hiroyasu Tanaka, Shigeki Shimanaka +1 more | 2006-05-02 |
| 6916269 | System and method of controlling line pressure for V-belt type continuously variable transmission | Masahiro Yamamoto, Midori Yamaguchi, Toshiji Iida, Makoto Sawada | 2005-07-12 |
| 6419059 | Lock-up control for device torque converter | Hisao Nobu | 2002-07-16 |
| 6375591 | Fault determining device and method for hydraulically operated automatic transmission | Kenichiro Murakami | 2002-04-23 |
| 6374973 | Lock-up control device for torque converter | Hisao Nobu | 2002-04-23 |
| 6106433 | Control system of automotive automatic transmission | Satoshi Sakakibara, Kazuhiro Takatori | 2000-08-22 |
| 6102831 | System for controlling engaging and disengaging operations of releasable coupling device placed in automotive power train | Chusaku Udagawa | 2000-08-15 |
| 5935043 | Lockup control apparatus of torque converter | Akira Watanabe, Kazutaka Adachi, Shigeru Ishii | 1999-08-10 |
| 5875865 | Hydraulic-pressure control system for four-wheel drive vehicle with hydraulic-pressure operated transfer clutch | Kenichiro Murakami | 1999-03-02 |
| 5819192 | Transfer for motor vehicle | Kenichirou Murakami, Masaki Ohki, Koichi Hayasaki | 1998-10-06 |
| 5782718 | Working fluid pressure control device for hydraulic control system of continuously variable transmission | — | 1998-07-21 |
| 5746677 | Vehicle transmission system | Kenichiro Murakami | 1998-05-05 |
| 5651752 | Lock-up control system for automatic transmission | Koichi Hayasaki | 1997-07-29 |
| 5584370 | Lock-up type automatic transmission system with hydraulic fluid cooling device | — | 1996-12-17 |
| 5518469 | Hydraulic circuit for lock-up device | — | 1996-05-21 |
| 5501311 | Fluid pressure control device for variable torque transfer of four wheel drive vehicle | — | 1996-03-26 |
| 5478288 | Automatic power transmission of automotive vehicle | Satoshi Sakakibara | 1995-12-26 |
| 5429561 | Shift control system with engagement pressure as a function of torque input and the type of shifts | Masahiro Yamamoto | 1995-07-04 |
| 5403242 | Automatic transmission with one-way clutch friction suppression system | Satoshi Sakakibara, Akihiro Ueki | 1995-04-04 |
| 5376056 | Shift control system in automatic transmission | Masahiro Yamamoto | 1994-12-27 |
| 5361651 | Shift control system for automatic transmission | — | 1994-11-08 |