ZHI-FENG GAO

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Shenzhen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Binocular capable of measuring distance and prism and light transmi...
- Patent number 10,704,903
- Issue date Jul 7, 2020
- Sintai Optical (Shenzhen) Co., Ltd.
- Yue-Ye Chen
- G02 - OPTICS
Information Patent Grant
Binocular capable of measuring distance and prism module thereof
- Patent number 10,520,717
- Issue date Dec 31, 2019
- Sintai Optical (Shenzhen) Co., Ltd.
- Yue-Ye Chen
- G01 - MEASURING TESTING
Information Patent Grant
Binoculars rangefinder
- Patent number 10,234,283
- Issue date Mar 19, 2019
- Sintai Optical (Shenzhen) Co., Ltd.
- Zhang-Ming Chang
- G02 - OPTICS
Information Patent Grant
System and method for adjusting pulse width modulation signals acco...
- Patent number 8,089,236
- Issue date Jan 3, 2012
- Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
- Jiao Li
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Binocular Capable of Measuring Distance and Prism and Light Transmi...
- Publication number 20170350697
- Publication date Dec 7, 2017
- SINTAI OPTICAL (SHENZHEN) CO., LTD.
- Yue-Ye Chen
- G02 - OPTICS
Information Patent Application
Binocular Capable of Measuring Distance and Prism Module Thereof
- Publication number 20170276927
- Publication date Sep 28, 2017
- SINTAI OPTICAL (SHENZHEN) CO., LTD.
- Yue-Ye Chen
- G02 - OPTICS
Information Patent Application
Binoculars Rangefinder
- Publication number 20160187131
- Publication date Jun 30, 2016
- Asia Optical International Ltd.
- Zhang-Ming Chang
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR ADJUSTING PULSE WIDTH MODULATION SIGNALS ACCO...
- Publication number 20090261768
- Publication date Oct 22, 2009
- HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
- JIAO LI
- G05 - CONTROLLING REGULATING