Qiu Bao WANG

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Step-down circuit
- Patent number 9,893,508
- Issue date Feb 13, 2018
- Johnson Electric S.A.
- Chi Ping Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Step-down Circuit
- Publication number 20160028220
- Publication date Jan 28, 2016
- JOHNSON ELECTRIC S.A.
- Chi Ping SUN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER