Bu-Chul Sin

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Patents Grantslast 30 patents

Information Patent Grant
Metal cathode and indirectly heated cathode assembly having the same
- Patent number 6,791,251
- Issue date Sep 14, 2004
- Samsung SDI Co., Ltd.
- Dong-Kyun Seo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal cathode for electron tube
- Patent number 6,762,544
- Issue date Jul 13, 2004
- Samsung SDI Co., Ltd.
- Yoon-chang Kim
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Cathode for electron tube and method of preparing the cathode
- Publication number 20020195919
- Publication date Dec 26, 2002
- Jong-Seo Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Metal cathode and indirectly heated cathode assembly having the same
- Publication number 20020153819
- Publication date Oct 24, 2002
- Dong-Kyun Seo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Metal cathode for electron tube
- Publication number 20020101146
- Publication date Aug 1, 2002
- Samsung SDI Co, Ltd.
- Yoon-Chang Kim
- H01 - BASIC ELECTRIC ELEMENTS