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Kenji Kiyota
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Ogaki, JP
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last 30 patents
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Patent Grant
Optical disk with pattern and fabrication method thereof
Patent number
6,735,166
Issue date
May 11, 2004
Sanyo Electric Co., LTD
Takanari Kusafuka
G11 - INFORMATION STORAGE
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Patent Grant
Light guide plate, surface light source and display using the same
Patent number
6,250,767
Issue date
Jun 26, 2001
Sanyo Electric Co. Ltd.
Takanari Kusafuka
G02 - OPTICS