Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5936791 | Helical scan data recording and playback method and apparatus wherein reference helical tracks preceding data recording area on magnetic tape are played back before recording or playback of target data | Shigemitsu Higuchi | 1999-08-10 |
| 5737146 | Data recording and playback apparatus using a helical scan system with magnetic head for recording and playing back pattern signal for tracking in tracking area within helical track | Shigemitsu Higuchi | 1998-04-07 |
| 5617535 | Recording and playbackk apparatus | Shigemitsu Higuchi, Hiromasa Fujii | 1997-04-01 |
| 5521769 | Magnetic tape drive with displaceable head capable of a re-try operation | Atsuo Suga, Shigemitsu Higuchi, Kouji Fujita, Minoru Kosuge | 1996-05-28 |
| 5500775 | Data recording and reproducing apparatus | Kouji Fujita, Shigemitsu Higuchi, Atsuo Suga, Minoru Kosuge | 1996-03-19 |
| 5488520 | Data recording and playback apparatus using helical scan system with magnetic head for recording and playing back pattern signal for tracking in tracking area within helical track | Shigemitsu Higuchi | 1996-01-30 |
| 5392163 | Digital video signal reproducing apparatus with compression and expansion of playback time | Shigemitsu Higuchi, Atsuo Suga, Yuji Inaba | 1995-02-21 |
| 5047866 | Comb filter type luminance/chrominance signal separation circuit | Katsuyuki Watanabe, Tomomitsu Kuroyanagi, Atsushi Yoshioka, Michio Masuda | 1991-09-10 |