Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical disc, having a certification pit for certifying that data recording thereon is original

Optical disc, having a certification pit for certifying that data recording thereon is original

US Patent 6901042 · Granted May 31, 2005

Estimated economic value: $247,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Content reproduction system, information processing terminal, media server, secu2018
Content reproduction system, information processing terminal, media server, secu2015
Content reproduction apparatus2012
Optical storage medium, information recording apparatus, and information reprodu2012
Mounting circuit substrate2012
Portable auxiliary storage device2011
Information recording medium, usage management method, and usage management appa2011
Optical storage medium, information recording apparatus, and information reprodu2011
Optical storage medium control data region2010
Method for controlling defect of optical disk, optical disk recording device, an2009
Information recording medium for recording a scrambled part of content informati2008
Optical disc recording method and optical disc reproducing method2007