Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243411 | Anti-piracy video tape system has anti-piracy components added to the luminance signal and the color difference signals | Yoshiki Shirochi, Isao Saito | 1993-09-07 |
| 4851928 | Apparatus for recording low and high bond components of a chrominance signal | Masahiro Kanbara | 1989-07-25 |
| 4780769 | Recording and reproducing apparatus for time compressed video signals wherein said signals are expanded and converted into two separate channels before recording | Keiji Kanouta, Masashi Mizuta, Masayoshi Ishimaru, Michio Nagai | 1988-10-25 |
| 4268874 | Transducer deflection apparatus for use in a video signal reproducing device | Kazuo Yamagiwa, Masatoshi Kamakur | 1981-05-19 |
| 4233621 | Method and apparatus for recording and reproducing a color-aligned line-sequential color video signal | Kazuo Yamagiwa | 1980-11-11 |
| 4220964 | Secam recording and reproducing system | Kazuo Yamagiwa | 1980-09-02 |
| 4208673 | Color recorder for reducing crosstalk | — | 1980-06-17 |
| 4193084 | Video recorder having means for maintaining constant the amplitude of the frequency-modulated signal | Kazuo Yamagiwa, Kaneo Saito | 1980-03-11 |
| 4186411 | Recording and playback modulation method and apparatus | — | 1980-01-29 |