Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429828 | Watch | Kosuke Yamamoto, Kazumi Sakumoto | 2025-09-30 |
| 12346068 | Stepping motor control device, movement, timepiece, and stepping motor control method | Kazuo Kato, Tomohiro Ihashi, Kazumi Sakumoto | 2025-07-01 |
| 11909347 | Stepping motor control device, movement, timepiece, and stepping motor control method | Kosuke Yamamoto, Tetsuya Nobe, Kazumi Sakumoto | 2024-02-20 |
| 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 |
| 11175631 | Analog electronic timepiece, stepping motor control device, and analog electronic timepiece control method | — | 2021-11-16 |
| 10866521 | Exposure apparatus and exposure method | Yoshinori Motoda, Hiroaki MIYAJI | 2020-12-15 |
| 10849105 | Wireless communication device and program for controlling communication mode of the same | — | 2020-11-24 |
| 10539927 | Timepiece, electronic device, and control method of timepiece | Ryosuke ISOGAI, Kosuke Yamamoto | 2020-01-21 |
| 9807616 | Electronic apparatus and control method thereof | — | 2017-10-31 |