Inventor
IHASHI TAKAO
9 patents
Patents
9 patentsUS5265083ANov 23, 1993
Portable disc player
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US7072260B1Jul 4, 2006
Data recording medium, data reproducing method and reproducing device, and data processing system
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US6700845B1Mar 2, 2004
Multi-layer optical recording medium and method and apparatus for reproducing optical data
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US7095694B2Aug 22, 2006
Information recording medium, storage medium, information reproduction apparatus and method, and information recording and reproduction apparatus and method as well as providing medium
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US6947362B2Sep 20, 2005
Information recording medium, storage medium, information reproduction apparatus and method, and information recording and reproduction apparatus and method as well as providing medium
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US4310912AJan 12, 1982
Servo system for recording and/or reproducing apparatus using a rotatable recording carrier
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US7480942B2Jan 20, 2009
Method for controlling access to disc data and method for indentifying disc
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US7216228B2May 8, 2007
Recording medium recording and/or reproduction apparatus, recording and/or reproduction method
SONY CORP5 citations62
US7599891B2Oct 6, 2009
Method and system for administering storage medium
SONY CORP0 citations41