Bing Sheng

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Hang-zhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for indicating position of an incident light beam
- Patent number 7,180,583
- Issue date Feb 20, 2007
- Asia Optical Co., Inc.
- Pie-Yau Chien
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Meter capable of measuring ambient dust concentration
- Publication number 20050218351
- Publication date Oct 6, 2005
- Bing Sheng
- G01 - MEASURING TESTING
Information Patent Application
Apparatus for indicating position of an incident light beam
- Publication number 20050195410
- Publication date Sep 8, 2005
- Pie-Yau Chien
- G01 - MEASURING TESTING