Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733412 | Automotive automatic transmission | Yorinori Kumagai, Tsukasa Takahashi | 2004-05-11 |
| 6471615 | Automatic transmission for vehicle | Eiichiro Kawahara, Tsukasa Takahashi | 2002-10-29 |
| 6422371 | Centrifugal friction clutch for automatic transmission | Eiichiro Kawahara, Tsukasa Takahashi | 2002-07-23 |
| 6375592 | Automatic transmission for vehicle | Tsukasa Takahashi, Eiichiro Kawahara | 2002-04-23 |
| 6363807 | Variable speed gearing system | Tsukasa Takahashi, Eiichiro Kawahara | 2002-04-02 |
| 5975270 | Clutch disk of C/C composite for a wet friction clutch, and process for producing the same | Toshio Tokune, Eiichiro Kawahara, Mitsumasa Furumoto, Tsukasa Takahashi, Takao Nakagawa +1 more | 1999-11-02 |
| 5890983 | Cooling apparatus of a gear transmission having an electromagnetic clutch | Eiichiro Kawahara | 1999-04-06 |
| 5733217 | Centrifugal friction clutch for automatic speed changing device | Eiichiro Kawahara | 1998-03-31 |
| 5733222 | Power transmission apparatus | Eiichiro Kawahara | 1998-03-31 |