Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454297 | Torsional vibration damper | Tomo Iwagaki, Hideyuki Nishida, Masayuki Ishibashi, Yoichi Oi, Yu Mizukami +2 more | 2022-09-27 |
| 11401995 | Torsional vibration damper and manufacturing method thereof | Masayuki Ishibashi, Hideyuki Nishida, Yoichi Oi, Katsunori Tanaka, Tomoyuki Hiramoto | 2022-08-02 |