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Patent applications and USPTO patent grants for Yoon; Jong-Cheol.The latest application filed is for "antenna bandwidth expander".
Patent | Date |
---|---|
Antenna bandwidth expander Grant 9,666,939 - Yoon , et al. May 30, 2 | 2017-05-30 |
Antenna Bandwidth Expander App 20160240918 - Yoon; Jong-Cheol ;   et al. | 2016-08-18 |
Multi band built-in antenna Grant 6,806,834 - Yoon October 19, 2 | 2004-10-19 |
Multi band built-in antenna App 20030193438 - Yoon, Jong Cheol | 2003-10-16 |
Surface mounted chip antenna Grant 6,542,124 - Yoon April 1, 2 | 2003-04-01 |
Patch Antenna For Generating Circular Polarization App 20030058173 - Yoon, Jong Cheol | 2003-03-27 |
Surface Mounted Chip Antenna App 20030048225 - Yoon, Jong Cheol | 2003-03-13 |
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