Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Recording and/or reproducing apparatus and recording and/or reproducing method capable of detecting a land pre-pit on disc securely at a high precision

Recording and/or reproducing apparatus and recording and/or reproducing method capable of detecting a land pre-pit on disc securely at a high precision

US Patent 6754157 · Granted Jun 22, 2004

Estimated economic value: $373,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Seasoning method and etching method2021
Plasma etching method2016
Terminal block2014
Optical disc apparatus and method for reading information from an optical disk h2005
Recording clock generating device and method thereof2005
Semiconductor laser control method and semiconductor laser control device2004
Recording/reproducing apparatus and method using accurate recording/reproducing 2004
Method and apparatus for recording information on recording medium2003
Recording/playback apparatus capable of carrying out linking on optical disk, an2002
Information recording and reproducing apparatus2002
Terminal unit2000
Terminal structure1999