Jing-Ru Chen

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New Taipei City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Light emitted diode circuit
- Patent number 9,578,698
- Issue date Feb 21, 2017
- CHEN-FENG CHIEN
- Chen-Feng Chien
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Locating structure of an adjustable open wrench
- Patent number 7,284,465
- Issue date Oct 23, 2007
- Jing-ru Chen
- Joe Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTED DIODE CIRCUIT
- Publication number 20160174306
- Publication date Jun 16, 2016
- Jing-Ru Chen
- Chen-Feng Chien
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Trademarklast 30 trademarks