Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11077508 | Gear machining apparatus and gear machining method | Hiroyuki Nakano, Hisashi Otani | 2021-08-03 |
| 11033974 | Gear machining apparatus and gear machining method | Hiroyuki Nakano, Hisashi Otani | 2021-06-15 |