Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11045920 | Machining apparatus | Hirokazu Okubo, Atsushi Kuno | 2021-06-29 |
| 10173295 | Machining device with a detachably mounted spindle unit | Shinsaku Kozakai, Fumikazu Hirakawa, Naoya Okubo | 2019-01-08 |