Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10598561 | Rotational solid | Akira Hayakawa, Hidetoshi HARIMA | 2020-03-24 |
| 9097606 | Imbalance correction method and imbalance correction amount calculation device for rotor | Tetsuya Koyama | 2015-08-04 |