| 11574516 |
Method, system, and computer readable medium for setting discrimination criterion information |
Koji Sano, Hiroshi Ohtomo |
2023-02-07 |
| 5875156 |
Playback system for an optical disc representing a character or a graphic pattern formed by specified pit patterns |
Tamotsu Ito, Ryuichi Koike, Takashi Takeuchi |
1999-02-23 |
| 5751671 |
Information recording media and optical disk, disk having specific data so that a visible pattern of characters or graphics appear on a copy disk |
Ryuichi Koike, Tamotsu Ito, Takashi Takeuchi |
1998-05-12 |
| 5737306 |
Playback system for an optical disc presenting a character or a graphic pattern formed by specified pit patterns on data tracks |
Tamotsu Ito, Ryuichi Koike, Takashi Takeuchi |
1998-04-07 |
| 5608717 |
Information recording media and optical disc presenting a character or a graphic pattern formed by specified pit patterns on data tracks |
Tamotsu Ito, Ryuichi Koike, Takashi Takeuchi |
1997-03-04 |