Yong-Seok Song

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Ulsan-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Electron gun for color cathode ray tube
- Patent number 6,825,621
- Issue date Nov 30, 2004
- Samsung SDI Co., Ltd.
- Yong-Seok Song
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double dynamic focus electron gun
- Patent number 6,819,038
- Issue date Nov 16, 2004
- Samsung Electronics Co., Ltd.
- Yong-Seok Song
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode assembly and dynamic focus electron gun utilizing the same
- Patent number 6,548,968
- Issue date Apr 15, 2003
- Samsung SDI Co., Ltd.
- Yong-Seok Song
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Color cathode ray tube dynamic focus electron gun having elongated...
- Patent number 6,498,427
- Issue date Dec 24, 2002
- Samsung SDI Co., Ltd.
- Yong-Seok Song
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Double dynamic focus electron gun
- Publication number 20030057819
- Publication date Mar 27, 2003
- Yong-Seok Song
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron gun for color cathode ray tube
- Publication number 20020101161
- Publication date Aug 1, 2002
- Yong-Seok Song
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrode assembly and dynamic focus electron gun utilizing the same
- Publication number 20020060533
- Publication date May 23, 2002
- Yong-Seok Song
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS