Yu Guan

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Insulation system and capacitor
- Patent number 11,264,169
- Issue date Mar 1, 2022
- Hitachi Energy Switzerland AG
- Lejun Qi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANTI-REBOUND PROTECTION DEVICE AND CIRCUIT BREAKER COMPRISING THE SAME
- Publication number 20250166953
- Publication date May 22, 2025
- Hitachi Energy Ltd
- Chao XU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INSULATION SYSTEM AND CAPACITOR
- Publication number 20190311855
- Publication date Oct 10, 2019
- ABB Schweiz AG
- Lejun Qi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...