Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621981 | Video signal recording/reproducing apparatus and reproducing apparatus | — | 2003-09-16 |
| 5771132 | Tracking error data detecting apparatus and VTR having the same apparatus | Naoto Hirohata, Yoshio Mizutani, Katsuyuki Shudo | 1998-06-23 |
| 5381238 | Helical scan type playback apparatus for video data recorded on magnetic tape | Yasuomi Namiki, Masaru Tanaka | 1995-01-10 |
| 5223941 | Helical scan type playback apparatus for video data recorded on magnetic tape | Yasuomi Namiki, Masaru Tanaka | 1993-06-29 |
| 4796103 | Control pulse recording circuit for dual tape speed recording and reproducing apparatuses using two pairs of heads selectively for selected speed including recording delayed control pulses | — | 1989-01-03 |
| 4725898 | Pseudo vertical synchronizing signal producing circuit | — | 1988-02-16 |
| 4688114 | Drum servo circuit | — | 1987-08-18 |
| 4680649 | Back-space editing control circuit for rotary-head magnetic tape recording and reproducing apparatus | — | 1987-07-14 |
| 4577243 | Control signal generating circuit for a magnetic recording and/or reproducing apparatus | — | 1986-03-18 |
| 4521815 | Reproducing apparatus capable of performing high-speed reproduction of a video signal | — | 1985-06-04 |
| 4514668 | D.C. Motor driving circuit | — | 1985-04-30 |
| 4510533 | System for reproducing a video signal in a slow motion or still picture reproduction | — | 1985-04-09 |
| 4490755 | Recording and reproducing video signals at selectable different tape traveling speeds from plural video head pairs | — | 1984-12-25 |
| 4307417 | Video signal reproducing apparatus | — | 1981-12-22 |