Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737481 | Information recording method, information recording apparatus and information recording medium | Toyoji Gushima, Yoshiharu Kobayashi, Ryoji Yamaguchi, Satoshi Kondo, Katsuhiko Yoshida +2 more | 1998-04-07 |
| 5719843 | Method of maximum likelihood decoding and digital information playback apparatus | Takeshi Nakajima, Shigeru Furumiya, Kenji Koishi | 1998-02-17 |
| 5675694 | Video disk, recording apparatus of video disk, and its reproducing apparatus | Takeshi Nakajima, Shigeru Furumiya, Takashi Inoue | 1997-10-07 |
| 5636194 | Method of recording and reproducing data on a disk | Shigeru Furumiya, Takeshi Nakajima | 1997-06-03 |
| 5490126 | Apparatus for recording and reproducing data on a disk | Shigeru Furumiya, Takeshi Nakajima | 1996-02-06 |
| 5488593 | Disc reproducing method and apparatus with multiple heads | Shigeru Furumiya | 1996-01-30 |
| 5400315 | Optical disk system | Kenji Koishi, Shigeru Furumiya | 1995-03-21 |
| 5298998 | Synchronous clock generator and time-base error corrector | Shigeru Furumiya | 1994-03-29 |
| 5162922 | Apparatus for multi-channel dividing, recording and reproducing a video signal | Shigeru Furumiya, Hiromu Kitaura | 1992-11-10 |
| 5148276 | Synchronous signal generator for the muse signal | Shigeru Furumiya, Hiromu Kitaura | 1992-09-15 |
| 4969142 | Reproduction of optically recorded signal | Michiyoshi Nagashima, Kazuaki Obara | 1990-11-06 |
| 4932015 | Method of reproducing signals from optical disk | Michiyoshi Nagashima | 1990-06-05 |
| 4744070 | Optical disk and method of tracking the same | Kazuaki Obara, Michiyoshi Nagashima | 1988-05-10 |
| 4712204 | Optical disk and method for reproducing reference signal therefrom | Kazuaki Obara, Michiyoshi Nagashima | 1987-12-08 |