Issued Patents All Time
Showing 101–105 of 105 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5930367 | Apparatus for recording/reproducing or transmitting/receiving signal data having a portion of an error correction code replaced with other information and methods thereof | Yoichiro Sako, Shozo Masuda, Akira Kurihara, Isao Kawashima | 1999-07-27 |
| 5901127 | Data recording method and apparatus, data record medium and data reproducing method and apparatus | Yoichiro Sako, Isao Kawashima, Akira Kurihara, Hideo Owa | 1999-05-04 |
| 5887130 | Information processing apparatus, information processing method, data recording medium, and information processing system | Toshitada Doi | 1999-03-23 |
| 5883958 | Method and device for data decryption, a method and device for device identification, a recording medium, a method of disk production, and a method and apparatus for disk recording | Ryuji Ishiguro | 1999-03-16 |
| 5802174 | Data recording medium | Yoichiro Sako, Hideo Owa, Akira Kurihara, Isao Kawashima | 1998-09-01 |