Ju-Hwan Yi

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Taejon, KR

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Patents Grantslast 30 patents

Information Patent Grant
System, method and article of manufacture for updating a switching...
- Patent number 6,731,631
- Issue date May 4, 2004
- Paion Company, Limited
- You-Sung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
System, method and article of manufacture for updating a switching...
- Publication number 20040095927
- Publication date May 20, 2004
- You-Sung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE