Wei-Chih Chang

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Sindian City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Coordinate positioning device and method thereof
- Patent number 7,301,525
- Issue date Nov 27, 2007
- High Tech Computer Corp.
- Wei-Chih Chang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Coordinate positioning device and method thereof
- Publication number 20050088406
- Publication date Apr 28, 2005
- Wei-Chih Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Film positioning device
- Publication number 20050074095
- Publication date Apr 7, 2005
- Wei-Chih Chang
- G06 - COMPUTING CALCULATING COUNTING