Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10989287 | Power transmission device for vehicle | Masayuki Fukai, Yusuke Ohgata, Shinji Oita, Megumi Fujikawa | 2021-04-27 |
| 8727928 | Vehicle power transmission device | Koichi Tanaka, Atsushi Teshima, Yoshihiko Sasaki, Hiroshi Hamaguchi | 2014-05-20 |
| 8508090 | Lubrication structure of power transmission apparatus | Koichi Tanaka, Rikiya Kubo | 2013-08-13 |
| 8459134 | Vehicle oil pump | Atsushi Teshima, Yoshihiko Sasaki, Hiroshi Hamaguchi | 2013-06-11 |
| 8256599 | Wave spring holding structure and frictional engagement apparatus | Shintaro Goto, Naoki Kato | 2012-09-04 |
| 8181762 | Frictional engaging piston and spring seat | Shundou Yamaguchi | 2012-05-22 |
| 7614487 | Frictional engagement apparatus | Shintaro Goto, Naoki Kato | 2009-11-10 |