Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023796 | Video signal producing system and video signal recording/reproducing device in that system | Ryoji Asada, Kazumasa Motoda, Shoji Nishikawa, Shiro Kato, Hirofumi Uchida | 2011-09-20 |
| 6295406 | Digital signal recording apparatus for sampling and compressing signals according to various recording modes | Chiyoko Matsumi, Tatsuro Juri, Akira Iketani, Makoto Goto, Susumu Yamaguchi +4 more | 2001-09-25 |
| 6215950 | Digital signal recording apparatus | Chiyoko Matsumi, Tatsuro Juri, Akira Iketani, Makoto Goto, Susumu Yamaguchi +4 more | 2001-04-10 |
| 5787221 | Digital signal recording apparatus | Chiyoko Matsumi, Tatsuro Juri, Akira Iketani, Makoto Goto, Susumu Yamaguchi +4 more | 1998-07-28 |
| 5781690 | Video signal recorder having a frame coder | Tatsuro Juri, Yuji Fujiwara, Masakazu Nishino, Toyohiko Matsuta | 1998-07-14 |
| 5418620 | Video signals recorder and player including interframe calculating means | Masakazu Nishino, Toyohiko Matsuta | 1995-05-23 |
| 5369439 | Orthogonal transform encoder using DC component to control quantization step size | Toyohiko Matsuda, Masakazu Nishino | 1994-11-29 |
| 5367334 | Video signal encoding and decoding apparatus | Masakazu; Nishino, Chojuro Yamamitsu, Tatsuro Juri, Toyohiko Matsuta | 1994-11-22 |
| 5345268 | Standard screen image and wide screen image selective receiving and encoding apparatus | Toyohiko Matsuta, Masakazu Nishino | 1994-09-06 |
| 4910605 | Video signal recording method and apparatus for field-segment recording | Seishi Sasaki, Mitsuo Chiba, Tatsushi Bannai | 1990-03-20 |
| 4887169 | Video signal recording and playback apparatus having varied-speed playback capability | Tatsushi Bannai, Mitsuo Chiba, Seishi Sasaki | 1989-12-12 |
| 4839744 | Video signal recording method and associated recording/reproducing apparatus | Seishi Sasaki, Tatsushi Bannai, 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, Tatsushi Bannai | 1989-02-21 |
| 4757392 | Error compensation by a ramp waveform having a high signal-to-noise ratio | Tatsushi Bannai | 1988-07-12 |