Issued Patents 2025
Showing 1–2 of 2 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 |