Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617376 | Gear train structure of an electronic watch | Toyoshige Honzawa, Nobuhiro Koike | 1997-04-01 |
| 5506820 | Gear train structure of an electronic watch | Toyoshige Honzawa, Nobuhiro Koike | 1996-04-09 |
| 4761771 | Electronic timekeeping apparatus with temperature compensation and method for compensating same | Tatsuo Moriya, Hitomi Aizawa, Kazumi Kamoi, Hiroshi Yabe | 1988-08-02 |