Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769781 | IC device compatible with input signals in the formats for two-line and four-line type bus lines | Norihisa Shirota, Shinji Takada | 1988-09-06 |
| 4609947 | Video signal recording apparatus | Kiyoshi Nishitani, Koichi Takeuchi, Seiji Sato | 1986-09-02 |
| 4558283 | Circuit for generating a sum or differential frequency signal | — | 1985-12-10 |
| 4533949 | Subscription television system | Yasushi Fujimura, Takashi Okada | 1985-08-06 |
| 4326223 | Video signal recording and/or reproducing apparatus with gain control | Yukihiko Machida | 1982-04-20 |
| 4268874 | Transducer deflection apparatus for use in a video signal reproducing device | Masatoshi Kamakur, Toshihiko Numakura | 1981-05-19 |
| 4233621 | Method and apparatus for recording and reproducing a color-aligned line-sequential color video signal | Toshihiko Numakura | 1980-11-11 |
| 4223338 | Color television receiver and VTR system | Hideshi Tamaru, Katsuo Isono, Seiji Sanada, Toshiyuki Yamauchi | 1980-09-16 |
| 4220964 | Secam recording and reproducing system | Toshihiko Numakura | 1980-09-02 |
| 4198650 | Capacitive-type nonlinear emphasis circuit | Masayuki Hongu, Takeshi Hamada | 1980-04-15 |
| 4193084 | Video recorder having means for maintaining constant the amplitude of the frequency-modulated signal | Kaneo Saito, Toshihiko Numakura | 1980-03-11 |