Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336609 | Digital input means for miniature type electronic devices | Sizuo Yamaguchi | 1982-06-22 |
| 4312057 | Electronic timepiece providing audible and visible time indications | — | 1982-01-19 |