Ching-Shun Yi

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Tainan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
High-voltage transformer coil with acoustic wave guiding function
- Patent number 7,339,447
- Issue date Mar 4, 2008
- Unelectra International Corp.
- Jiann-Fuh Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Simple partial discharge detector for power equipment using acousti...
- Patent number 7,180,303
- Issue date Feb 20, 2007
- Unelectra International Corp.
- Jiann-Fuh Chen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
High-voltage transformer coil with acoustic wave guiding function
- Publication number 20070126530
- Publication date Jun 7, 2007
- Jiann-Fuh Chen
- H01 - BASIC ELECTRIC ELEMENTS