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Hsinchu, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Light-emitting diode streetlight structure
Patent number
8,523,400
Issue date
Sep 3, 2013
Optotech Corporation
Wan-Chih Lin
F21 - LIGHTING
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Patent Grant
Light-emitting diode streetlight structure
Patent number
8,419,224
Issue date
Apr 16, 2013
Optotech Corporation
Lin Wan-Chih
F21 - LIGHTING
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Patent Grant
LED street lamp
Patent number
D648473
Issue date
Nov 8, 2011
Optotech Corporation
Wan-Chih Lin
D26 - Lighting
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Patents Applications
last 30 patents
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Patent Application
LIGHT-EMITTING DIODE STREETLIGHT STRUCTURE
Publication number
20120106162
Publication date
May 3, 2012
OPTOTECH CORPORATION
WAN-CHIH LIN
F21 - LIGHTING