Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882632 | Color video signal reproducing apparatus using frequency converted chrominance signal | Hiroto Yasumura, Masahide Hirasawa, Susumu Kozuki, Koji Takahashi, Katsuji Yoshimura | 1989-11-21 |
| 4878128 | Video signal reproducing apparatus | Hiroto Yasumura, Masahide Hirasawa, Susumu Kozuki, Koji Takahashi, Katsuji Yoshimura +1 more | 1989-10-31 |