Han Lu

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Hang-zhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Laser distance-measuring device
- Patent number 7,304,727
- Issue date Dec 4, 2007
- Asia Optical Co., Inc.
- Pie-Yau Chien
- G01 - MEASURING TESTING
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
Laser distance meter
- Patent number D539680
- Issue date Apr 3, 2007
- Asia Optical Co., Inc.
- Hua-Tang Liu
- D10 - Measuring, testing, or signalling instruments

Patents Applicationslast 30 patents

Information Patent Application
Range Finder
- Publication number 20200182612
- Publication date Jun 11, 2020
- SINTAI OPTICAL (SHENZHEN) CO., LTD.
- Xin-Xin Lu
- G01 - MEASURING TESTING
Information Patent Application
Laser distance-measuring device
- Publication number 20060268261
- Publication date Nov 30, 2006
- Asia Optical Co., Inc.
- Pie-Yau Chien
- G01 - MEASURING TESTING
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