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Yoshitaka Makino
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Kawagoe-shi, JP
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last 30 patents
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Patent Grant
Focusing controller for focus jump control between recording layers...
Patent number
6,777,657
Issue date
Aug 17, 2004
Pioneer Corporation
Yoshimichi Nishio
G11 - INFORMATION STORAGE
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last 30 patents
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Patent Application
Focusing controller for focus jump control between recording layers...
Publication number
20020145101
Publication date
Oct 10, 2002
PIONEER CORPORATION
Yoshimichi Nishio
G11 - INFORMATION STORAGE