Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8439794 | Automatic transmission | — | 2013-05-14 |
| 8303452 | Automatic transmission | Kazuaki Aota, Takashi Fujioka, Naoki Kobayashi, Kazuo Oguri | 2012-11-06 |
| 8202193 | Automatic transmission | — | 2012-06-19 |
| 8197381 | Automatic transmission | — | 2012-06-12 |
| 8007399 | Automatic transmission | — | 2011-08-30 |
| 7935018 | Automatic transmission | — | 2011-05-03 |
| 7914415 | Automatic transmission | — | 2011-03-29 |
| 7909725 | Automatic transmission | — | 2011-03-22 |
| 7909724 | Automatic transmission | — | 2011-03-22 |
| 7833123 | Automatic transmission | — | 2010-11-16 |
| 7677997 | Double piston and belt type continuously variable transmission | Yoshihiro Kono, Seiichiro Takahashi, Jonggap Kim, Yasushi Yabe | 2010-03-16 |
| 5730683 | Shift control method for automatic transmission and apparatus thereof | Katsutoshi Usuki, Kenjiro Fujita | 1998-03-24 |
| 5370016 | Speed change control apparatus and method of an automotive automatic transmission | Kenjiro Fujita, Katsutoshi Usuki, Katsuhiro Hatta | 1994-12-06 |
| 5010786 | Automatic transmission control pressure regulator having speed sensitive valve arrangement | Tsunefumi Niiyama | 1991-04-30 |
| 5003842 | Control device for automatic transmission gear system | Katuhiro Hatta, Bonnosuke Takamiya | 1991-04-02 |
| 4995491 | Power transmission apparatus | Kenjiro Fujita, Yoshimasa Nagayoshi, Yoshiaki Hamasaki, Satoshi Kawai | 1991-02-26 |
| 4984483 | Control system for an automatic transmission of a motor vehicle | Yuichi Tanaka | 1991-01-15 |
| 4980521 | Power transmission apparatus | Kenjiro Fujita, Yoshimasa Nagayoshi, Satoshi Kawai, Yoshiaki Hamasaki | 1990-12-25 |
| 4947734 | Method of duty-ratio control for hydraulically actuated slip control lock-up clutch and transmission | Kenjiro Fujita, Tetsuo Ozaki | 1990-08-14 |
| 4947330 | Method of input power on/off discrimination for an automatic vehicular transmission system | — | 1990-08-07 |
| 4943920 | Operation control method for a frictional engagement element | Tetsuo Ozaki, Kenjiro Fujita | 1990-07-24 |
| 4922424 | Control method for a driving system provided in a vehicle | — | 1990-05-01 |
| 4919248 | Drive coupling unit | Kenjiro Fujita, Yoshimasa Nagayoshi, Shuzo Hirakushi, Yoshiaki Hamasaki | 1990-04-24 |
| 4903551 | Failsafe hydraulic control system for vehicle automatic transmission | Tsunefumi Niiyama | 1990-02-27 |
| 4881626 | Power transmission apparatus for vehicle of four-wheel drive type | — | 1989-11-21 |