Issued Patents All Time
Showing 1–4 of 4 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, Takuya Yoshikawa, Katsunori Tanaka | 2022-08-02 |
| 10968977 | Torsional vibration damper | Masayuki Ishibashi, Hideyuki Nishida, Isamu Hachisuwa, Yoichi Oi, Takuya Yoshikawa +2 more | 2021-04-06 |
| 10711862 | Damper device | Kazuyoshi Ito, Makoto NAKAZURU, Shuhei Warashina, Tanaka Katsunori | 2020-07-14 |