Yi-Hung Tsai

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Jubei City, TW

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,052,169
- Issue date May 30, 2006
- Toppoly Optoelectronics Corp.
- Che-Kuei Mai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20040257492
- Publication date Dec 23, 2004
- Che-Kuei Mai
- G02 - OPTICS