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Class Information
Number: 369/275.2
Name: Dynamic information storage or retrieval > Storage medium structure > Optical track structure (e.g., phase or diffracting structure, etc.) > Erasable, reversible or re-recordable
Description: Subject matter wherein the recording layer permits information therein to be erased, reversibly recorded over or re-recorded over.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8705326 Copy protection method for optical storage device Apr. 22, 2014
8685621 First-side dual-layer optical data storage disk and method of manufacturing the same Apr. 1, 2014
8675464 Dual sided optical storage media and method for making same Mar. 18, 2014
8668787 Silver alloy, sputtering target material thereof, and thin film thereof Mar. 11, 2014
8611202 Optical storage medium comprising two nonlinear layers Dec. 17, 2013
8605554 Laser power management for super-RENS optical recording media Dec. 10, 2013
8488437 Information recording medium, address generation and detection method, and reproducing and recording apparatuses Jul. 16, 2013
8470514 Information recording medium and method for manufacturing the same Jun. 25, 2013
8407415 De-icing of multi-layer storage media Mar. 26, 2013
8397021 Formatting multi-layer storage media Mar. 12, 2013
8355308 Optical recording medium and recording and reading method of optical recording medium Jan. 15, 2013
8325586 Rewritable optical record carrier Dec. 4, 2012
8295148 Dual format hybrid storage medium and data backup method using the same Oct. 23, 2012
8241834 Optical recording medium and production method therefor, and sputtering target and production method therefor Aug. 14, 2012
8203927 Information recording medium, information recording apparatus and method, and computer program Jun. 19, 2012
8194525 Information storage medium, information read/write device, coordination system, control program for the device or system, and computer-readable storage medium Jun. 5, 2012
8133655 Optical information recording medium, method and apparatus for recording and reproducing for the same Mar. 13, 2012
8116192 Optical recording medium with write-once and rewritable properties Feb. 14, 2012
8094992 Information recording device and method, program storage medium, and program Jan. 10, 2012
8094543 Information recording medium, reproducing apparatus and reproducing method Jan. 10, 2012
8077589 Optical recording medium, erasure apparatus and erasure method thereof Dec. 13, 2011
8077590 Information recording carrier and information reproducing apparatus for the same Dec. 13, 2011
8054718 Write-once optical disc, and method and apparatus for recording management information thereon Nov. 8, 2011
8036097 Information recording carrier and information reproducing apparatus for the same Oct. 11, 2011
8031581 Optical disc and optical disc device Oct. 4, 2011
8027240 Information recording medium, information recording device and method, and computer program Sep. 27, 2011
7982000 Composition comprising various proteorhodopsins and/or bacteriorhodopsins and use thereof Jul. 19, 2011
7957244 Method of reading optical information in super-resolution Jun. 7, 2011
7944804 Optical disk recording method, optical disk device, program, and recording medium May. 17, 2011
7940634 Multilayer optical recording medium and recording method on multilayer optical recording medium May. 10, 2011
7933192 Information recording medium, information recording apparatus and method, and computer program Apr. 26, 2011
7929404 Information recording medium, information recording apparatus, and computer program Apr. 19, 2011
7920454 Optical recording medium, and method and apparatus for optical recording and reproducing thereof Apr. 5, 2011
RE42222 Reversible optival information-recording medium Mar. 15, 2011
7869328 Optical disk and optical disk reproducing device Jan. 11, 2011
7858290 Information recording medium and method for manufacturing the same Dec. 28, 2010
7835232 Method to erase data stored on blu-ray disc Nov. 16, 2010
7830779 Method of recording information, equipment thereof and information recording medium Nov. 9, 2010
7817526 Optical recording medium Oct. 19, 2010
7791987 Recording type optical disc medium and optical disc device for the same Sep. 7, 2010
7785689 Raw material conserving optical data storage media Aug. 31, 2010
7782743 High density phase-change type optical disk having a data efficiency of more than 80 percent Aug. 24, 2010
7768881 Medium, apparatus, and method of recording optical-information Aug. 3, 2010
7764591 Multilayer optical disc having a recording stack type indicator Jul. 27, 2010
7760615 Rewritable phase-change optical recording medium Jul. 20, 2010
7751301 Information recording carrier and information reproducing apparatus for the same Jul. 6, 2010
7719953 Optical recording medium, optical recording method, optical reproducing method, optical recording apparatus, and optical reproducing apparatus May. 18, 2010
7706242 Optical disk, signal generation method, clock signal generation method, and optical disk device Apr. 27, 2010
7689104 Recording/playback device, recording device, and recording/playback method Mar. 30, 2010
7688704 Multilayer optical disc having disc information Mar. 30, 2010

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