Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11424702 | Motor driving apparatus, motor driving method, and timepiece | Tetsuya Nobe, Satoshi Sakai, Kazumi Sakumoto, Kosuke Yamamoto | 2022-08-23 |
| 11316454 | Stepping motor control device, timepiece and method for controlling stepping motor | Kosuke Yamamoto, Kenji Ogasawara, Tomohiro Ihashi | 2022-04-26 |
| 11221559 | Photomask | Hiroaki MIYAJI | 2022-01-11 |