Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841941 | Encoded data stream recording and reproducing apparatus with tape speed, channel number, and cylinder speed control in accordance with bit rate | Kenji Morimoto, Tadashi Kunihira, Akihiro Takeuchi, Yasuo Hamamoto, Masazumi Yamada +3 more | 1998-11-24 |
| 5787221 | Digital signal recording apparatus | Chiyoko Matsumi, Tatsuro Juri, Makoto Goto, Susumu Yamaguchi, Hideki Otaka +4 more | 1998-07-28 |
| 5655050 | Apparatus and method for recording and reproducing digital signal in synchronization blocks | Yoshiki Yamamoto, Tetsuya Mizushima, Yasunori Kawakami, Chiyoko Matsumi | 1997-08-05 |
| 5638227 | Digital data recording and reproducing apparatus | Shinji Hamai, Chiyoko Matsumi | 1997-06-10 |
| 5594550 | Digital signal recording apparatus for recording digital data comprising a plurality of recording blocks | Tatsuro Juri, Chiyoko Matsumi | 1997-01-14 |
| 5543937 | Apparatus for recording and playing back digital data | Shinji Hamai, Chiyoko Matsumi, Tatsuro Juri, Masazumi Yamada, Yasunori Kawakami +1 more | 1996-08-06 |
| 5486930 | Apparatus for recording and reproducing a video signal using a digital video cassette recorder | Susumu Ikeda, Susumu Yamaguchi, Chiyoko Matsumi, Takayasu Yoshida | 1996-01-23 |
| 5455719 | Data recording method in which pilot signal period coincides with cumulative bit disparities of insert data | Yasunori Kawakami, Kei Ichikawa, Makoto Goto, Haruo Isaka | 1995-10-03 |
| 5446597 | Apparatus for recording digital signals with associated auxiliary data | Chiyoko Matsumi, Tatsuro Juri, Shinji Hamai | 1995-08-29 |
| 5394275 | Apparatus for selectively recording and reproducing two video signals having different amounts of data in each frame | Chiyoko Matsumi, Tatsuro Juri | 1995-02-28 |
| 5392168 | Method of recording digital video and audio data | — | 1995-02-21 |
| 5317457 | Digital signal recording method | Chiyoko Matsumi, Akifumi Ide, Tatsuro Juri | 1994-05-31 |
| 5311372 | Method of recording digital signals in an interleaving array form with enhanced error interpolation | Chiyoko Matsumi, Susumu Yamaguchi, Tatsuro Juri | 1994-05-10 |
| 5278706 | Digital video signal recording/reproducing apparatus | Chojuro Yamamitsu, Akifumi Ide, Masakazu Nishino, Tatsuro Juri, Hideki Ohtaka +1 more | 1994-01-11 |
| 5202890 | Block error detector | Hiromasa Mizuki | 1993-04-13 |
| 5126852 | Compressed video signal recording/variable-speed reproduction apparatus | Masakazu Nishino, Chojuro Yamamitsu, Akifumi Ide, Tatsuro Juri | 1992-06-30 |
| 4847871 | Viterbi detector for digital signal | Koji Matsushita | 1989-07-11 |
| 4833470 | Code conversion apparatus | — | 1989-05-23 |
| 4779073 | Apparatus for 3B-2T code conversion | — | 1988-10-18 |
| 4760378 | Method and apparatus for converting a run length limited code | Chojuro Yamamitsu, Kunio Suesada, Ichiro Ogura | 1988-07-26 |
| 4691329 | Block encoder | Tatsuro Juri, Chojuro Yamamitsu, Akifumi Ide | 1987-09-01 |
| 4633330 | Digital recording and reproducing apparatus for television signal | Chojuro Yamamitsu, Ichiro Ogura, Kunio Suesada | 1986-12-30 |