Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333171 | Electronic timepiece with diffusion resistor for compensating threshold variations | — | 1982-06-01 |
| 4326277 | Electronic timepiece | — | 1982-04-20 |
| 4320479 | Analogue electronic timepiece with an alarm device | Mitsuo Sekine | 1982-03-16 |