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Toshihiko Tsuzuki
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Kariya-shi, JP
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Patents Applications
last 30 patents
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Patent Application
Electroluminescent element and lighting unit
Publication number
20050122037
Publication date
Jun 9, 2005
Tetsuya Utsumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical device, area light apparatus and display
Publication number
20050007793
Publication date
Jan 13, 2005
Mikio Yoshida
G02 - OPTICS
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Patent Application
Light-emitting apparatus
Publication number
20040263061
Publication date
Dec 30, 2004
Haruyuki Ishikawa
G02 - OPTICS
Information
Patent Application
Optical waveguide, area light source device and liquid crystal disp...
Publication number
20040161222
Publication date
Aug 19, 2004
Eiki Niida
G02 - OPTICS