Invited Speaker, Nov. 22. 2024, “mmWave antenna technology", POSTECH, Pohang, KOR.
Invited Speaker, Apr. 24. 2024, “Review on Active Electronically Steerable Antenna", The 34th Joint Conference on Communication and Information(JCCI), Busan, KOR.
Invited Speaker, May. 20. 2022, “Antenna Front-end Technologies Featuring Antenna-on-Display and Antenna-in-Package to Enable 360° Beamforming Coverage for Millimeter-wave Wireless Connectivity", 16th Global Symposium on Millimeter-waves and Terahertz (GSMM 2022), Seoul, KOR.
Invited Speaker, May. 11. 2022, "5G mmWave Antenna and PackageTechnologies", 9th TAE SUNG S&E Electronic-Semiconductor Seminar, Seoul, KOR.
Invited Speaker, Apr. 21. 2022, "Enhancement of mmWave Wireless Coverage using Antenna-on-Surfaces (AoS): Concept, Technology, and Verification", 2022 Antenna Technologies Workshop, KIEES, Seoul, KOR.
Invited Speaker, Jun. 18. 2021, "Enabling Millimeter-wave Beamforming Antenna Systems for Beyond 5G Cellular Devices", POSTECH, Pohang, KOR.
Invited Speaker, Apr. 19. 2021, "Antenna-on-Display (AoD) and Antenna-in-Package (AiP)– A Candidate Technologies for Beyond 5G", KREEMO Inc., Seoul, KOR.
Invited Speaker, Feb. 28. 2020, “Systematically Integrated Phased-Array Antenna Configuration to Enhance Beam Coverage Efficiencies of Millimeter-wave 5G Mobile Devices,” International Workshop on Antenna Technology (iWAT 2020), Bucharest, RO.
Invited Speaker, Aug. 31. 2018, “Hybrid Antenna Module Concept for 28 GHz 5G Beamsteering Cellular Devices,” 2018 IEEE MTT-S International Microwave Workshop Series on 5G Hardware and System Technologies (IMWS-5G 2018), Dublin, IRL.