Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7512046 | Optical disk apparatus and method for controlling the same | Ryosuke Yamamoto, Kazuyo Umezawa | 2009-03-31 |
| 7403694 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2008-07-22 |
| 7369753 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2008-05-06 |
| 7155112 | Video data recording medium, video data recording apparatus and video playback apparatus | Tohru Uno | 2006-12-26 |
| 6983413 | Data processing method using error-correcting code and an apparatus using the same method | Koichi Otake, Tadashi Kojima | 2006-01-03 |
| 6819862 | Video data recording medium, video data recording apparatus and video data playback apparatus | Tohru Uno | 2004-11-16 |
| 6741798 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2004-05-25 |
| 6674959 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2004-01-06 |
| 6671458 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2003-12-30 |
| 6671457 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2003-12-30 |
| 6668135 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2003-12-23 |
| 6560407 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2003-05-06 |
| 6559779 | Data encoding method, apparatus, and storage medium | Chosaku Noda | 2003-05-06 |
| 6532336 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2003-03-11 |
| 6453119 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2002-09-17 |
| 6385389 | Information recording medium, method for recording information, and method for reproduction information | Koji Maruyama, Hideo Ando, Shinichi Kikuchi, Kazuhiko Taira | 2002-05-07 |
| 6338139 | Information reproducing apparatus, authenticating apparatus, and information processing system | Hideo Ando, Masaki Nakagawa, Tadashi Kojima | 2002-01-08 |
| 6289166 | Video data recording medium, video data recording apparatus and video data playback apparatus | Tohru Uno | 2001-09-11 |
| 5956306 | Recording medium, signal recording apparatus thereof and signal reproducing apparatus thereof | Toshihiko Kaneshige | 1999-09-21 |
| 5909417 | Recording medium formatted for error correction and high density recording and an apparatus for recording information thereon and/or reproducing information therefrom | Toshihiko Kaneshige | 1999-06-01 |
| 5848051 | Recording medium formatted for error correction and high density recording and an apparatus for recording information thereon and/or reproducing information therefrom | Toshihiko Kaneshige | 1998-12-08 |
| 5757296 | Data decoding apparatus and method and recording medium | — | 1998-05-26 |
| 5729224 | Code conversion and demodulation apparatus, a method thereof, and a recording medium | Koichi Hirayama, Shinichi Tanaka, Toshiyuki Shimada | 1998-03-17 |
| 5666338 | Recording medium formatted for error correction and density recording and an apparatus for recording information thereon and/or recording information therefrom | Toshihiko Kaneshige | 1997-09-09 |
| 5579003 | Digital data modulation/demodulation system wherein the modulated data satisfies a minimum run number of zeros | Koichi Hirayama | 1996-11-26 |