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Patent applications and USPTO patent grants for Chie; Sung Kyu.The latest application filed is for "method of processing radio frequency signal in mobile terminal, and mobile communication system and mobile terminal using the same".
Patent | Date |
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Method of processing radio frequency signal in mobile terminal, and mobile communication system and mobile terminal using the same Grant 9,002,409 - Chie April 7, 2 | 2015-04-07 |
System for mobile instant messaging service using mobile communication terminal and method thereof Grant 7,603,111 - Chie October 13, 2 | 2009-10-13 |
Method Of Processing Radio Frequency Signal In Mobile Terminal, And Mobile Communication System And Mobile Terminal Using The Same App 20070173284 - Chie; Sung Kyu | 2007-07-26 |
System for mobile instant messaging service using mobile communication terminal and method thereof App 20060148499 - Chie; Sung Kyu | 2006-07-06 |
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