Oh-Yong Choi

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Kumi, KR

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Patents Grantslast 30 patents

Information Patent Grant
Reinforcing band structure for cathode ray tube
- Patent number 7,038,369
- Issue date May 2, 2006
- LG. Philips Displays Korea Co., Ltd.
- Oh Yong Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mask frame for cathode ray tube
- Patent number 6,879,094
- Issue date Apr 12, 2005
- LG Philips Displays Korea Co., Ltd.
- Oh-Yong Choi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Cathode ray tube
- Publication number 20040256972
- Publication date Dec 23, 2004
- Oh-Yong Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Mask frame for cathode ray tube
- Publication number 20030222564
- Publication date Dec 4, 2003
- Oh-Yong Choi
- H01 - BASIC ELECTRIC ELEMENTS