Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811101 | Black level correction circuit for correcting black level of a video signal | — | 1989-03-07 |
YY
Yasuo Yagi
Overall (1989): #41,624 of 140,708Top 30%
1
Patents 1989