Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882632 | Color video signal reproducing apparatus using frequency converted chrominance signal | Masahide Hirasawa, Minoru Noji, Susumu Kozuki, Koji Takahashi, Katsuji Yoshimura | 1989-11-21 |
| 4878128 | Video signal reproducing apparatus | Masahide Hirasawa, Minoru Noji, Susumu Kozuki, Koji Takahashi, Katsuji Yoshimura +1 more | 1989-10-31 |
| 4870509 | Compact video signal recording and/or reproducing apparatus adapted for external input video signals and variable speed reproduction | Kenichi Nagasawa, Koji Takahashi, Ohikara Sato, Tadayoshi Nakayama | 1989-09-26 |
| 4815061 | Reproducing device for frequency modulated signals | Susumu Kozuki, Masahiro Takei | 1989-03-21 |