Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4370066 | Correction signal input system for electronic timepiece | — | 1983-01-25 |
| 4336609 | Digital input means for miniature type electronic devices | Kazunari Kume | 1982-06-22 |
| 4272836 | Alarm timepiece | Munetaka Tamaru, Minoru Natori | 1981-06-09 |
| 4225824 | Frequency adjusting circuit | Mitsuo Sekine | 1980-09-30 |