Weiqiang LI

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Ningde City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Switched-mode power supply, electric vehicle battery system, and ve...
- Patent number 12,172,547
- Issue date Dec 24, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
- Weiqiang Li
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High-voltage interlocking device and method for detecting the high-...
- Patent number 11,927,639
- Issue date Mar 12, 2024
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Weiqiang Li
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High-voltage interlock device and fault detection method thereof
- Patent number 11,366,462
- Issue date Jun 21, 2022
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Weiqiang Li
- G05 - CONTROLLING REGULATING
Information Patent Grant
Insulation detection circuit, detection method and battery manageme...
- Patent number 10,969,419
- Issue date Apr 6, 2021
- CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
- Baohai Du
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SWITCHED-MODE POWER SUPPLY, ELECTRIC VEHICLE BATTERY SYSTEM, AND VE...
- Publication number 20230123807
- Publication date Apr 20, 2023
- Contemporary Amperex Technology Co., Limited
- Weiqiang Li
- B60 - VEHICLES IN GENERAL
Information Patent Application
HIGH-VOLTAGE INTERLOCKING DEVICE AND METHOD FOR DETECTING THE HIGH-...
- Publication number 20220018905
- Publication date Jan 20, 2022
- Contemporary Amperex Technology Co.,Limited
- Weiqiang LI
- B60 - VEHICLES IN GENERAL
Information Patent Application
HIGH-VOLTAGE INTERLOCK DEVICE AND FAULT DETECTION METHOD THEREOF
- Publication number 20220011762
- Publication date Jan 13, 2022
- Contemporary Amperex Technology Co., Limited
- Weiqiang LI
- G01 - MEASURING TESTING
Information Patent Application
INSULATION DETECTION CIRCUIT, DETECTION METHOD AND BATTERY MANAGEME...
- Publication number 20200225275
- Publication date Jul 16, 2020
- Contemporary Amperex Technology Co., Limited
- Baohai DU
- B60 - VEHICLES IN GENERAL