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Munehiro Yonezawa
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Tokyo, JP
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last 30 patents
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Patent Grant
Optical disc device
Patent number
8,325,574
Issue date
Dec 4, 2012
Hitachi, Ltd.
Takeyoshi Kataoka
G11 - INFORMATION STORAGE
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last 30 patents
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Patent Application
OPTICAL DISC DEVICE
Publication number
20090207708
Publication date
Aug 20, 2009
Takeyoshi KATAOKA
G11 - INFORMATION STORAGE