Tok-Chin Woo

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Suwon-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Implosion preventing band and cathode ray tube having the same
- Patent number 6,924,591
- Issue date Aug 2, 2005
- Samsung SDI Co., Ltd.
- Tok-Chin Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cathode ray tube
- Patent number 6,791,249
- Issue date Sep 14, 2004
- Samsung SDI Co., Ltd.
- Seong-Seob Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cathode ray tube having degaussing coil for minimizing variations i...
- Patent number 6,686,695
- Issue date Feb 3, 2004
- Samsung SDI Co., Ltd.
- Tok-Chin Woo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Degaussing circuit for cathode ray tube
- Publication number 20040179321
- Publication date Sep 16, 2004
- Tok-Chin Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Cathode ray tube
- Publication number 20030214211
- Publication date Nov 20, 2003
- Seong-Seob Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Cathode ray tube having degaussing coil for minimizing variations i...
- Publication number 20030085658
- Publication date May 8, 2003
- Tok-Chin Woo
- H01 - BASIC ELECTRIC ELEMENTS