Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7106661 | Calendar timepiece | Mamoru Watanabe, Shigeo Suzuki, Takeshi Tokoro, Takashi Takahashi | 2006-09-12 |
| 7029169 | Chronograph timepiece having zeroing structure | Takashi Takahashi, Mamoru Watanabe, Shigeo Suzuki, Takeshi Tokoro | 2006-04-18 |
| 6814483 | Self-winding timepiece having train wheel setting apparatus | Mamoru Watanabe, Shigeo Suzuki, Takashi Takahashi, Takeshi Tokoro | 2004-11-09 |
| 6406176 | Chronograph timepiece | Takashi Takahashi, Koichiro Jujo | 2002-06-18 |
| 6166999 | Clock with a mainspring wound state indicator | Koichiro Jujo, Norio Shibiya | 2000-12-26 |
| 5956294 | Multi-functional timepiece | Norio Shibuya, Takashi Takahashi | 1999-09-21 |
| 5719558 | Monitoring apparatus for a power plant comprising direct current sources | Shigeaki Namba | 1998-02-17 |