Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6987712 | Analog chronograph timepiece having plural motors | Tamotsu Ono, Mamoru Watanabe, Kei Hirano | 2006-01-17 |
| 6965544 | Electronic timepiece | Mamoru Watanabe, Tamotsu Ono, Kei Hirano | 2005-11-15 |
| 6890682 | Structure for holding battery of electronic timepiece | Takashi Takahashi, Takayuki Satodate | 2005-05-10 |
| 6755567 | Hand motion irregularity suppressed timepiece | Mamoru Watanabe, Tamotsu Ono, Kei Hirano | 2004-06-29 |
| 6700836 | Electronic timepiece with indicator hands | Takayuki Satodate | 2004-03-02 |
| 6618326 | Electronic timepiece having indication hands | Takayuki Satodate | 2003-09-09 |
| 6542439 | Electronic timepiece having indication hands | Takayuki Satodate | 2003-04-01 |