Yu-Chen CHIEN

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Nantou County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Illuminating apparatus
- Patent number 8,998,459
- Issue date Apr 7, 2015
- Yu-Chen Chien
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
ILLUMINATING APPARATUS
- Publication number 20140204582
- Publication date Jul 24, 2014
- Yu-Chen CHIEN
- F21 - LIGHTING