Yung-Nien Chai

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Tainan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Key cap painting tool
- Patent number 7,882,798
- Issue date Feb 8, 2011
- Darfon Electronics Corp.
- Chin-Hung Lin
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Luminous key mechanism
- Patent number 7,670,017
- Issue date Mar 2, 2010
- Darfon Electronics Corp.
- Wen-Yu Tsai
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
KEYCAP AND PRESS KEY STRUCTURE USING THE SAME
- Publication number 20100006412
- Publication date Jan 14, 2010
- Darfon Electronics Corp.
- YI-CHEN WANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Key cap painting tool
- Publication number 20080092809
- Publication date Apr 24, 2008
- DARFON ELECTRONICS CORP.
- Chin-Hung Lin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LUMINOUS KEY MECHANISM
- Publication number 20080062671
- Publication date Mar 13, 2008
- Darfon Electronics Corp.
- Wen-Yu Tsai
- G06 - COMPUTING CALCULATING COUNTING