| 2013-10 | Mobile handset antenna with parallel resonance feed structures for wide impedance bandwidth | 김형동 |
| 2012-09 | Mobile Terminal Antenna Using A Planar Inverted-E Feed Structure For Enhanced Impedance Bandwidth | 김형동 |
| 2017-02 | Mode-Controlled Wideband Slot-Fed Ground Radiation Antenna Utilizing Metal Loads for Mobile Applications | 김형동 |
| 2015-04 | MULTIBAND PLANAR MONOPOLE ANTENNA USING COUPLING CONTROL FEED STRUCTURE FOR MOBILE HANDSETS | 김형동 |
| 2015-06 | MULTIBAND PLANAR MONOPOLE ANTENNA USING COUPLING CONTROL FEED STRUCTURE FOR MOBILE HANDSETS | 김형동 |
| 2011-05 | A NEW DIFFERENTIAL STACKED SPIRAL INDUCTOR WITH IMPROVED SELF-RESONANCE FREQUENCY | 김형동 |
| 2013-10 | A New Radiation Method for Ground Radiation Antenna | 김형동 |
| 2020-05 | A new ultra-wideband miniaturized antenna with a double-branch radiator | 김형동 |
| 2018-10 | A Novel Single-Feed Dual-Element Antenna Using Phase Compensation and Magnitude Regulation to Achieve Circular Polarization | 김형동 |
| 2014-10 | On the Numerical Stability of Finite-Difference Time-Domain for Wave Propagation in Dispersive Media Using Quadratic Complex Rational Function | 김형동 |
| 2019-12 | Performance enhancement of dual-band antenna for internet of things applications using closed loops | 김형동 |
| 2018-10 | Performance enhancement of ground radiation antenna by coupling with ground body | 김형동 |
| 2016-10 | Performance enhancement of ground radiation antenna for Z-wave applications using tunable metal loads | 김형동 |
| 2018-10 | Performance enhancement of mobile antenna by ground decomposition | 김형동 |
| 2017-03 | Performance evaluation of loop-type ground radiation antenna based on its optimum impedance level | 김형동 |
| 2015-04 | PIFA using series-resonant feed structure for wide-band operations | 김형동 |
| 2013-07 | PIFA with dual-resonance feed structure for enhancement of impedance bandwidth | 김형동 |
| 2011-11 | PIFA with parallel resonance feed structure for wideband operation | 김형동 |
| 2016-05 | REDUCTION OF THE HEAD EFFECT IN MOBILE DEVICES | 김형동 |
| 2015-11 | Reduction of the Head Effect in Mobile Devices | 김형동 |
