Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354187 | Electrochromic display device | Noboru Kaneko | 1982-10-12 |
| 4349818 | Electrochromic display device | Noboru Kaneko | 1982-09-14 |
| 4316275 | Charging control circuit for electronic timepiece | — | 1982-02-16 |
| 4309627 | Detecting circuit for a power source voltage | — | 1982-01-05 |