Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498140 | Tooth groove machining method and tooth groove machining device | Lin Zhang, Hisashi Otani | 2022-11-15 |
| 11480348 | Heat exchanger | Yasuhiro Sasai, Hiroharu Kubo | 2022-10-25 |
| 11383313 | Machine tool and gear machining method | Kazuki Natsuda, Kento Takeuchi, Hisashi Otani | 2022-07-12 |
| 11248856 | Refrigeration apparatus | Hiroharu Kubo, Yasuhiro Sasai | 2022-02-15 |