Zefeng Ma

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Science City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electrically adjustable antenna control system and method
- Patent number 9,065,381
- Issue date Jun 23, 2015
- Comba Telecom System (China) Ltd
- Yingyu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electrically Adjustable Antenna Control System and Method
- Publication number 20140197763
- Publication date Jul 17, 2014
- Comba Telecom System (China) Ltd
- Yingyu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER