Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6097877 | Digital recording and reproducing apparatus which multiplexes and records HDTV, SDTV and trick play data together on a magnetic tape | Hironobu Katayama, Kenichi Shiraishi | 2000-08-01 |
| 6018611 | Recording apparatus which adaptively records amounts of low resolution video inversely to amounts of high resolution video which has the same program content | Hironobu Katayama | 2000-01-25 |
| 5692092 | Recording and playback system for variable speed playback wherein more a.c. coefficients are allotted to the macroblocks in the central part of an image frame | Hironobu Katayama, Koichi Kawaguchi, Kenichi Shiraishi, Kazuya Aoki, Saori Akimoto | 1997-11-25 |
| 5377053 | Magnetic reproduction apparatus for reproducing a video signal | Soichi Iwamura, Junichi Aoki | 1994-12-27 |
| 5355226 | Recording-reproduction apparatus applying double reset to the phase of an FM carrier | Soichi Iwamura | 1994-10-11 |
| 5260838 | Magnetic reproducing apparatus for reproducing a video signal from a magnetic recording medium | Soichi Iwamura | 1993-11-09 |
| 5157359 | Carrier reset FM modulator and method of frequency modulating video signals | Soichi Iwamura | 1992-10-20 |