Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271493 | Electronic timepiece | Munetaka Tamaru | 1981-06-02 |
| 4270198 | Electronic timepiece | Munetaka Tamura | 1981-05-26 |
| 4268913 | Electronic calculator watch | Tadahiko Nakagiri, Kunihiro Daigo, Toshiaki Oguchi, Minoru Natori, Toshikazu Shimazaki +6 more | 1981-05-19 |
| 4257115 | Switch structure for electronic timepiece | Minoru Natori, Toshikazu Shimazaki, Kouhei Kawanobe, Hiroshi Ogawa | 1981-03-17 |
| 4255801 | Electronic watch | Sadao Ode | 1981-03-10 |
| 4210798 | Device for detachably mounting glass on timepiece cases | Sadao Ode | 1980-07-01 |