Shih-Chang Chang

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Sinhua Township, Tainan County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Non-contact electronic level
- Patent number 7,322,118
- Issue date Jan 29, 2008
- Quarton, Inc.
- Chaochi Huang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Laser module for projecting a linear laser beam
- Publication number 20060227817
- Publication date Oct 12, 2006
- Shih-Chang Chang
- G02 - OPTICS
Information Patent Application
Universal laser beam generating device
- Publication number 20060064887
- Publication date Mar 30, 2006
- Shih-Chang Chang
- G01 - MEASURING TESTING
Information Patent Application
PIXEL OF A LIQUID CRYSTAL PANEL, METHOD OF FABRICATING THE SAME AND...
- Publication number 20060061701
- Publication date Mar 23, 2006
- Shih-Chang Chang
- G02 - OPTICS
Information Patent Application
Non-contact electronic level
- Publication number 20060048400
- Publication date Mar 9, 2006
- Chaochi Huang
- G01 - MEASURING TESTING
Information Patent Application
Laser line projection device
- Publication number 20060048399
- Publication date Mar 9, 2006
- Shih-Chang Chang
- G01 - MEASURING TESTING