Zhang-Yong Jian

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Hang-Zhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Laser tilt apparatus and the method thereof
- Patent number 7,228,635
- Issue date Jun 12, 2007
- Asia Optical Co., Inc.
- Zhang-Yong Jian
- G01 - MEASURING TESTING
Information Patent Grant
Adjusting method of a tilt meter
- Patent number 7,117,111
- Issue date Oct 3, 2006
- Asia Optical Co., Inc.
- Zhang-Yong Jian
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Laser tilt apparatus and the method thereof
- Publication number 20060168829
- Publication date Aug 3, 2006
- Asia Optical Co., Inc.
- Zhang-Yong Jian
- G01 - MEASURING TESTING
Information Patent Application
Adjusting method of a tilt meter
- Publication number 20060161362
- Publication date Jul 20, 2006
- Asia Optical Co., Inc.
- Zhang-Yong Jian
- G01 - MEASURING TESTING