Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332605 | Electronically controlled mechanical timepiece | Eiichi Hiraya | 2025-06-17 |
| 11829108 | Timepiece part and timepiece | — | 2023-11-28 |
| 11409244 | Timepiece part and timepiece | — | 2022-08-09 |
| 10747178 | Mechanical component and timepiece | Munehiro Shibuya, Takeo Funakawa | 2020-08-18 |
| 7832924 | Timepiece | — | 2010-11-16 |
| 7536779 | Method of manufacturing magnetic head | Tatsuo Hara, Toshiaki Yanagisawa, Hiroyuki Kojima, Kenichi Michibata, Yoshiaki Oguchi | 2009-05-26 |
| 7170826 | Multifunctional watch | Tsuneaki Furukawa, Koji Fukui | 2007-01-30 |
| 7031230 | Starter for electricmagnetic converter, and timepiece | Osamu Takahashi | 2006-04-18 |
| 6603236 | Electronic timepiece | — | 2003-08-05 |
| 6097675 | Electronically controlled mechanical timepiece | Osamu Takahashi, Tatsuo Hara, Masatoshi Moteki | 2000-08-01 |
| 5751091 | Piezoelectric power generator for a portable power supply unit and portable electronic device equipped with same | Osamu Takahashi, Yasuharu Hashimoto, Hajime Miyazaki, Tsukasa Funasaka | 1998-05-12 |