Chul Ha Chang

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Selective etching of a protective layer to form a catalyst layer fo...
- Patent number 6,984,535
- Issue date Jan 10, 2006
- cDream Corporation
- Jong Woo Son
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Emitter structure with a protected gate electrode for an electron-e...
- Publication number 20050236963
- Publication date Oct 27, 2005
- Sung Gu Kang
- B82 - NANO-TECHNOLOGY
Information Patent Application
Selective etching of a protective layer for the formation of cataly...
- Publication number 20040161929
- Publication date Aug 19, 2004
- Jong W. Son
- B82 - NANO-TECHNOLOGY