Inventor
TONE YASUO
JP4 patents
Patents
4 patentsUS6906990B2Jun 14, 2005
Phase-change optical disk and optical disk apparatus
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US7430157B2Sep 30, 2008
Recording device, recording method, reproducing device, and reproducing method
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US6909681B2Jun 21, 2005
Optical disk and optical disk apparatus
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US6633516B2Oct 14, 2003
ZCAV optical and method for accessing thereof
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