Richard-changyu ZHANG

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Xi'an, Xi'an, CN

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Patents Grantslast 30 patents

Information Patent Grant
Capacitor with insulation composition showing thermo-reversible oil...
- Patent number 11,657,973
- Issue date May 23, 2023
- Hitachi Energy Switzerland AG
- LeJun Qi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CAPACITOR WITH INSULATION COMPOSITION SHOWING THERMO-REVERSIBLE OIL...
- Publication number 20210043381
- Publication date Feb 11, 2021
- ABB Power Grids Switzerland AG
- LeJun QI
- H01 - BASIC ELECTRIC ELEMENTS