Issued Patents All Time
Showing 101–118 of 118 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5831951 | Method and apparatus for controlling a slice signal in the reproduction information recorded in an optical disk | Yuichi Kamioka, Yuji Hisakado | 1998-11-03 |
| 5809007 | Optical disk and optical disk reproduction apparatus | Yoshinari Takemura, Shunji Ohara, Takashi Ishida, Yoshito Aoki, Toyoji Gushima | 1998-09-15 |
| 5793786 | Laser diode driving circuit | — | 1998-08-11 |
| 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, Yoshinari Takemura, Kenji Koishi | 1998-02-17 |
| 5675694 | Video disk, recording apparatus of video disk, and its reproducing apparatus | Takeshi Nakajima, Takashi Inoue, Yoshinari Takemura | 1997-10-07 |
| 5671209 | Focusing time period and power control of a multilaser diode array | Yuichi Kamioka, Kenji Koishi, Daisuke Ogata | 1997-09-23 |
| 5646930 | Recording method and disk including initialization of recording tracks to amorphous phase with a constant power laser power beam | — | 1997-07-08 |
| 5636194 | Method of recording and reproducing data on a disk | Takeshi Nakajima, Yoshinari Takemura | 1997-06-03 |
| 5602813 | Disk, disk recording apparatus and disk reproducing apparatus | — | 1997-02-11 |
| 5490126 | Apparatus for recording and reproducing data on a disk | Takeshi Nakajima, Yoshinari Takemura | 1996-02-06 |
| 5488593 | Disc reproducing method and apparatus with multiple heads | Yoshinari Takemura | 1996-01-30 |
| 5400315 | Optical disk system | Kenji Koishi, Yoshinari Takemura | 1995-03-21 |
| 5387944 | Video signal processing apparatus having digital multivalue synchronizing signal generating circuit | — | 1995-02-07 |
| 5298798 | Amplitude control device | — | 1994-03-29 |
| 5298998 | Synchronous clock generator and time-base error corrector | Yoshinari Takemura | 1994-03-29 |
| 5162922 | Apparatus for multi-channel dividing, recording and reproducing a video signal | Yoshinari Takemura, Hiromu Kitaura | 1992-11-10 |
| 5148276 | Synchronous signal generator for the muse signal | Yoshinari Takemura, Hiromu Kitaura | 1992-09-15 |