Yunfeng Li

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Xiamen, CN

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Patents Grantslast 30 patents

Information Patent Grant
LED dimming load sudden change suppression circuit
- Patent number 10,470,266
- Issue date Nov 5, 2019
- SI-EN TECHNOLOGY (XIAMEN) LIMITED
- Yunfeng Li
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Current clamp circuit based on BCD technology
- Patent number 9,755,427
- Issue date Sep 5, 2017
- SI-EN TECHNOLOGY (XIAMEN) LIMITED
- Yunfeng Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC COMPENSATION METHOD BASED ON TEMPERATURE CHARACTERISTICS...
- Publication number 20230422369
- Publication date Dec 28, 2023
- SI EN TECHNOLOGY (XIAMEN) LIMITED
- YunFeng LI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CURRENT CLAMP CIRCUIT BASED ON BCD TECHNOLOGY
- Publication number 20160241019
- Publication date Aug 18, 2016
- Si-En Technology (Xiamen) Limited
- Yunfeng Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER