Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350749 | Gear machining apparatus | Kento Takeuchi, Hisashi Otani, Hiroyuki Nakano, Yoshitaro Ohsaki, Tetsuro Furuhata +1 more | 2025-07-08 |
| 11400556 | Abnormality detection apparatus for working tools | Yuki Ishigure, Hisashi Otani, Toshihiro Yonezu | 2022-08-02 |
| 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 |