Tu-Yiin Chang

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Hsinchu, TW

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Patents Grantslast 30 patents

Information Patent Grant
Intergrated services digital network private branch exchange capabl...
- Patent number 7,200,143
- Issue date Apr 3, 2007
- Winbond Electronics Corp.
- Tu-Yiin Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Intergrated services digital network private branch exchange capabl...
- Publication number 20030133474
- Publication date Jul 17, 2003
- Tu-Yiin Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE