Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490681 | Electronic watermarking system | Shuichi Shimizu | 2002-12-03 |
| 6483792 | Optical disk, optical disk recording apparatus and method, and optical disk playback apparatus and method | Masanobu Yamamoto | 2002-11-19 |
| 6414913 | Apparatus and method for recording an optical disc identification code | Toshihiro Fujiki | 2002-07-02 |
| 6351266 | Information processing method and apparatus and providing medium | Shigeo Morishima | 2002-02-26 |
| 6335912 | Optical information recording apparatus, method for recording optical information, optical information recording medium, optical information processing apparatus, and method for accessing optical information recording medium | Tamotsu Yamagami | 2002-01-01 |