Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149817 | Damper device | Takuya Yoshikawa, Aki Ogawa, Yoshihiro Yoshida, Akiyoshi Kato, Kazuyoshi Ito +1 more | 2021-10-19 |
| 10989271 | Damper device | Takuya Yoshikawa, Aki Ogawa, Yoshihiro Yoshida, Akiyoshi Kato, Kazuyoshi Ito +1 more | 2021-04-27 |
| 10968977 | Torsional vibration damper | Masayuki Ishibashi, Hideyuki Nishida, Isamu Hachisuwa, Yoichi Oi, Takuya Yoshikawa +2 more | 2021-04-06 |