Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204078 | Vibration damping device | Takao Sakamoto, Kazuhiro Itou, Masahiko Kobayashi | 2021-12-21 |
| 10968977 | Torsional vibration damper | Masayuki Ishibashi, Hideyuki Nishida, Isamu Hachisuwa, Takuya Yoshikawa, Ryosuke Otsuka +2 more | 2021-04-06 |