Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149817 | Damper device | Takuya Yoshikawa, Aki Ogawa, Yoshihiro Yoshida, Akiyoshi Kato, Ryosuke Otsuka +1 more | 2021-10-19 |
| 10989271 | Damper device | Takuya Yoshikawa, Aki Ogawa, Yoshihiro Yoshida, Akiyoshi Kato, Ryosuke Otsuka +1 more | 2021-04-27 |
| 10895302 | Damper device | Kazuyoshi Ito, Akiyoshi OTSUKI, Yuichiro Hirai | 2021-01-19 |
| 10883562 | Damper apparatus and starting apparatus | Kazuyoshi Ito, Kazuhiro Itou | 2021-01-05 |