US Patent 7591580 Lighting device
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Patent Inventor Names
Hirokazu Aritake0
Satoshi Maeda0
Susumu Fujiwara0
Takao Satake0
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Patent abstract
In the lighting device, cylindrical lenses are provided on a reflection surface side of a light guide plate, and the adjacent cylindrical lenses are connected by a concaved curved surface.
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US Patent 07591580 Lighting device US Patent 7591580 Lighting device
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Patent Number
07591580
Patent Number
7591580
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Official Website
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US Patent 07591580 Lighting device
Infobox
Is a
Patent jurisdiction
Patent number
07591580
Date of patent
September 22, 2009
Patent application number
12252720
Date Filed
October 16, 2008
Patent primary examiner
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