Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5959675 | Image compression coding apparatus having multiple kinds of coefficient weights | Hideaki Mita | 1999-09-28 |
| 5933571 | Video image coding and recording apparatus and video image coding, recording and reproducing apparatus | Mitsuhiro Miyashita | 1999-08-03 |
| 5923813 | Apparatus and method for image coding and recording/reproducing | Keishi Okamoto, Hideaki Mita | 1999-07-13 |
| 5887111 | Picture reproduction apparatus and picture decoding apparatus | Toshiya Takahashi | 1999-03-23 |
| 5841939 | Picture reproduction apparatus and picture decoding apparatus | Toshiya Takahashi | 1998-11-24 |
| 5754696 | Apparatus for compression-coding image data and method of the same based on quantification and frequency transform coefficient amplitude reduction | Mitsuhiro Miyashita | 1998-05-19 |
| 5649047 | Picture reproduction apparatus and picture decoding apparatus | Toshiya Takahashi | 1997-07-15 |
| 5625461 | Recording and reproducing apparatus | Keishi Okamoto | 1997-04-29 |
| 5481412 | Video signal digital recording/reproducing apparatus | Hideaki Shibata, Masamitsu Ohtsu, Hiroshi Okamoto | 1996-01-02 |
| 5457579 | Apparatus for recording each editing unit of video and audio signals in an isolated area on a recording medium | Hideaki Shibata, Masamitsu Ohtsu, Hiroshi Okamoto | 1995-10-10 |
| 5383063 | Video signal digital recording/reproducing apparatus | Hideaki Shibata, Masamitsu Ohtsu, Hiroshi Okamoto | 1995-01-17 |
| 5321557 | Magnetic recording and reproducing apparatus having multiple magnetic heads | Masafumi Shimotashiro, Takeshi Inoue, Hiroshi Okamoto, Masaru Higashionji, Tetsuya Mizushima +1 more | 1994-06-14 |
| 5307177 | High-efficiency coding apparatus for compressing a digital video signal while controlling the coding bit rate of the compressed digital data so as to keep it constant | Hideaki Shibata | 1994-04-26 |
| 5299072 | Video and audio signal recording apparatus with editing-use erase heads | Yoshiho Gotoh, Souichiro Fujioka | 1994-03-29 |
| 5105315 | Error compensation using an inserted reference waveform | Mitsuo Chiba | 1992-04-14 |
| 4910605 | Video signal recording method and apparatus for field-segment recording | Seishi Sasaki, Mitsuo Chiba, Shigeru Awamoto | 1990-03-20 |
| 4887169 | Video signal recording and playback apparatus having varied-speed playback capability | Shigeru Awamoto, Mitsuo Chiba, Seishi Sasaki | 1989-12-12 |
| 4839744 | Video signal recording method and associated recording/reproducing apparatus | Seishi Sasaki, Shigeru Awamoto, Katsuya Yokoyama, Hiromichi Shibaya | 1989-06-13 |
| 4807056 | Method and apparatus for video signal recording and playback signal level compensation based on recorded reference signal | Seishi Sasaki, Mitsuo Chiba, Shigeru Awamoto | 1989-02-21 |
| 4757392 | Error compensation by a ramp waveform having a high signal-to-noise ratio | Shigeru Awamoto | 1988-07-12 |