Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675391 | Contrast/brightness control circuit for television receiver | Koichi Yamaguchi | 1997-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675391 | Contrast/brightness control circuit for television receiver | Koichi Yamaguchi | 1997-10-07 |