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Michiaki Sato
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Aichi, JP
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last 30 patents
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Patent Grant
Light guide plate, surface light source using the light guide plate...
Patent number
6,273,577
Issue date
Aug 14, 2001
Sanyo Electric Co., Ltd.
Youichiro Goto
G02 - OPTICS
Information
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
Information
Patent Grant
Light guide plate and surface light source using the light guide plate
Patent number
5,999,685
Issue date
Dec 7, 1999
Sanyo Electric Co., Ltd.
Youichiro Goto
G02 - OPTICS
Information
Patent Grant
Charge injection image forming apparatus using conductive and insul...
Patent number
5,138,387
Issue date
Aug 11, 1992
Sanyo Electric Co., Ltd.
Michiaki Sato
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS