Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4593327 | Color video signal recording and/or reproducing system | Yoshimichi Nagaoka | 1986-06-03 |
| 4587576 | Video signal processing apparatus with pre-emphasis and de-emphasis for use in a recording and reproducing system | Yutaka Ichinoi | 1986-05-06 |
| 4563704 | Noise reduction circuit for a video signal | — | 1986-01-07 |
| 4558353 | Circuit for reducing noise in a carrier chrominance signal | — | 1985-12-10 |
| 4536795 | Video memory device | Hiroyuki Miyahara, Yoshiteru Kosaka | 1985-08-20 |
| 4490749 | Color video signal recording and/or reproducing system | — | 1984-12-25 |
| 4486789 | Magnetic recording and/or reproducing apparatus | Yoshihiko Ota | 1984-12-04 |
| 4476501 | Audio signal recording and/or reproducing system for eliminating audio crosstalk | Yoshihiko Ota | 1984-10-09 |
| 4425584 | Video signal recording and/or reproducing system | Takashi Uchimi | 1984-01-10 |
| 4414586 | Pilot signal recording and reproducing system | Seisuke Hiraguri, Takashi Uchimi | 1983-11-08 |
| 4402022 | Tracking control system in a magnetic reproducing apparatus | Seisuke Hiraguri | 1983-08-30 |
| 4364098 | Multiple-channel rotary transformer circuit in a magnetic recording and/or reproducing apparatus | Masaharu Tsunekawa | 1982-12-14 |
| 4342053 | Video signal, speed-change reproducing system | — | 1982-07-27 |
| 4295171 | System for controlling rotation of rotating structure | Yoshiteru Kosaka, Kazutaka Ashida | 1981-10-13 |
| 4246615 | System for recording and/or reproducing an audio signal which has been converted into a digital signal | Yuma Shiraishi | 1981-01-20 |
| 4246616 | System for reproducing a video signal in a slow motion or still picture reproduction | Seisuke Hiraguri | 1981-01-20 |