Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10201859 | Chuck structure | Masayuki Yamamoto | 2019-02-12 |
| 9108294 | Grinding device | Koji Ono | 2015-08-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10201859 | Chuck structure | Masayuki Yamamoto | 2019-02-12 |
| 9108294 | Grinding device | Koji Ono | 2015-08-18 |