Chung Yan Cheng

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Input redundant circuit
- Patent number 10,340,685
- Issue date Jul 2, 2019
- Astec International Limited
- Chung Yan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Input redundant circuit
- Patent number 9,806,519
- Issue date Oct 31, 2017
- Astec International Limited
- Chung Yan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Input redundant circuit
- Patent number 9,680,298
- Issue date Jun 13, 2017
- Astec International Limited
- Chung Yan Cheng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
INPUT REDUNDANT CIRCUIT
- Publication number 20170279267
- Publication date Sep 28, 2017
- Astec International Limited
- Chung Yan CHENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Input Redundant Circuit
- Publication number 20150109708
- Publication date Apr 23, 2015
- Astec International Limited
- Chung Yan CHENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER