Yuh Ching Tsen

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Tauyuan Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Antenna device having compact covering
- Patent number 7,499,000
- Issue date Mar 3, 2009
- Joymax Electronics Co., Ltd.
- Yat To Chan
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Antenna device having compact covering
- Publication number 20070159403
- Publication date Jul 12, 2007
- Joymax Electronics Co. , Ltd.
- Yat To Chan
- H01 - BASIC ELECTRIC ELEMENTS