Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881253 | Mis-detection of a video switchover key signal | Shin Saito, Shoji Araki, Atsushi Nakayama | 1989-11-14 |
| 4804845 | Luminescence detecting devices | — | 1989-02-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881253 | Mis-detection of a video switchover key signal | Shin Saito, Shoji Araki, Atsushi Nakayama | 1989-11-14 |
| 4804845 | Luminescence detecting devices | — | 1989-02-14 |