Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5769196 | Torque converter with a lock-up mechanism | — | 1998-06-23 |
| 5729976 | One-way clutch mechanism of torque converter | Hiroyuki Shioiri, Shogo Matsumoto | 1998-03-24 |
| 5725079 | Frictional engagement device | Shogo Matsumoto | 1998-03-10 |
| 5718114 | One-way clutch mechanism of torque converter | Shogo Matsumoto, Hiroyuki Shioiri | 1998-02-17 |
| 5713442 | Fluid transmission device | Hiroyuki Shioiri | 1998-02-03 |
| 5711409 | Twin-clutch-type transmission | — | 1998-01-27 |
| 5701983 | Clutch device | Shogo Matsumoto | 1997-12-30 |
| 5695032 | Hydraulic clutch system with flywheel | Hiroyuki Shioiri, Shogo Matsumoto | 1997-12-09 |
| 5638933 | Clutch device | Shogo Matsumoto | 1997-06-17 |
| 5636718 | Fluid coupling with a lock-up clutch | Hisanori Nomoto, Yoshio Shindo | 1997-06-10 |
| 5603396 | Clutch device for an automatic transmission | Yoshio Shindo | 1997-02-18 |
| 5593016 | Clutch device for an automatic transmission | Yoshio Shindo | 1997-01-14 |
| 5511644 | Frictional engagement device for an automatic transmission | — | 1996-04-30 |
| 5456343 | Wet type clutch | Shogo Matsumoto | 1995-10-10 |
| 5388678 | Fluid coupling power transmission with lockup clutch | — | 1995-02-14 |
| 5348127 | Fluid coupling power transmission with lockup clutch | Yoshio Shindo, Hajime Arai | 1994-09-20 |
| 5230409 | Fluid power transmission system with lock-up clutch | Koichi Tanaka | 1993-07-27 |
| 5213186 | Control system and method for automatic transmission | — | 1993-05-25 |
| 5125486 | Fluid power transmission with a lock-up clutch | — | 1992-06-30 |
| 5070975 | Viscous clutch assembly for torque transmission in motor vehicle | Koichi Tanaka | 1991-12-10 |
| 5036963 | Viscous clutch assembly for torque transmission in motor vehicle | — | 1991-08-06 |
| 4940125 | Drive mechanism in part-time four-wheel drive vehicle | Kiyoomi Sato, Fumihiro Ushijima | 1990-07-10 |
| 4798272 | Hydraulically operated friction clutch having automatic wear compensating valve | Fumihiro Ushijima | 1989-01-17 |
| 4795011 | Hydraulic control device for hydraulically operated friction clutch having drag preventive means | Fumihiro Ushijima | 1989-01-03 |
| 4682676 | Electromagnetic powder clutch with two powder gaps | — | 1987-07-28 |