Kai ZHANG

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Wuhan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Shooting device and unmanned aerial vehicle
- Patent number 10,207,819
- Issue date Feb 19, 2019
- EWATT TECHNOLOGY CO., LTD.
- Guocheng Zhao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CALCULATING THICKNESS OF OXIDE FILM OF MARTENSITE HEAT-R...
- Publication number 20210202050
- Publication date Jul 1, 2021
- China Energy Science and Technology Research Institute Co., Ltd.
- Yalin ZHANG
- G01 - MEASURING TESTING
Information Patent Application
Shooting Device and Unmanned Aerial Vehicle
- Publication number 20170152061
- Publication date Jun 1, 2017
- Ewatt Technology Co., Ltd.
- Guocheng ZHAO
- G02 - OPTICS
Information Patent Application
Ranging Obstacle Avoidance Instrument and Ranging Obstacle Avoidanc...
- Publication number 20170154203
- Publication date Jun 1, 2017
- Ewatt Technology Co., Ltd.
- Guocheng ZHAO
- G01 - MEASURING TESTING