Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881253 | Mis-detection of a video switchover key signal | Kenichi Takeuchi, Shin Saito, Shoji Araki | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881253 | Mis-detection of a video switchover key signal | Kenichi Takeuchi, Shin Saito, Shoji Araki | 1989-11-14 |