Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11909347 | Stepping motor control device, movement, timepiece, and stepping motor control method | Akihito Okumura, Kosuke Yamamoto, Kazumi Sakumoto | 2024-02-20 |
| 11424702 | Motor driving apparatus, motor driving method, and timepiece | Satoshi Sakai, Kazumi Sakumoto, Kosuke Yamamoto, Akihito Okumura | 2022-08-23 |
| 11016446 | Timepiece and motor control method | Satoshi Sakai | 2021-05-25 |
| 10816935 | Motor driving apparatus, motor control method, and timepiece | — | 2020-10-27 |
| 10666080 | Cell type power supply device having wireless communication function | Kazuhiro Koyama, Akihiro Okabe | 2020-05-26 |
| 10511339 | Circuit and electronic equipment | Kazuhiro Koyama, Akihiro Okabe | 2019-12-17 |
| 10228660 | Electronic apparatus and control method | Tamotsu Maesawa, Kazumi Sakumoto, Keisuke Tsubata | 2019-03-12 |
| 10128889 | Cell type power supply device, circuit and electronic equipment | Kazuhiro Koyama, Akihiro Okabe | 2018-11-13 |
| 9546919 | Electronic apparatus and shock detection method | — | 2017-01-17 |
| 7667361 | Electric motor and electronic apparatus | Takayuki Satodate, Ayako Inoue, Akihiro Iino | 2010-02-23 |