Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10995817 | Flywheel apparatus | Atsushi Yamazumi, Yasuyuki Imai | 2021-05-04 |
| 10598252 | Damper device | Yuki Ishikawa, Atsushi Yamazumi, Yasuyuki Imai | 2020-03-24 |
| 9638262 | Damper apparatus | Atsushi Yamazumi, Yasuyuki Imai, Masakazu Kamiya | 2017-05-02 |