Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876611 | Lock-up device and torque converter | Hiroshi Asai, Seiji Saiga, Shogo Enya, Katsuhiro Shimizu | 2020-12-29 |
| 10723661 | Drying shrinkage reduction method of cement-based hardened body | Shinichi Takemoto, Yoshikatsu Sasaki | 2020-07-28 |
| 9677642 | Torque damper apparatus | Hiroshi Asai, Shingo Abe, Junichi Fukada | 2017-06-13 |
| 9316265 | Torque damper apparatus | Seiji Saiga, Hiroshi Asai, Yasuhiro Morimoto | 2016-04-19 |
| 8657950 | Inorganic material board | Kenta Terai | 2014-02-25 |
| 8172408 | Lens position adjusting mechanism | Shigeru Matsumoto, Hiroki Koba | 2012-05-08 |
| 7934588 | Torque damper | Akira Tsuboi, Yoshihiko Ozawa, Yasutaka Amano, Ryo Mochizuki | 2011-05-03 |