Invited Speaker, 8.29.2022, Satellite Communication Systems for 6G, LG Uplus, Seoul, Korea
Keynote Speaker, 5.20.2022, Achieving Uniform mmWave and sub-THz Coverage using Antenna-on-Surfaces (AoS), 16th Global Symposium on Millimeter-waves and Terahertz (GSMM 2022), Seoul, Korea
Invited Speaker, 5.18.2022, Enhancement of mmWave and sub-THz Beam Steering Coverage using Antenna-on-Surfaces (AoS) for 5G and 6G, 2022 IEEE International Workshop on Antenna Technologies (iWAT), Dublin, Ireland
Invited Speaker, 5.18.2022, National Intelligence Service, Korea
Plenary Speaker, 3.31. 2022, "Antenna-on-Display for Near, Mid and Long-range Wireless Applications, 2022 16th European Conference on Antennas and Propagation (EuCAP), Madrid, Spain
Invited Speaker, 3.23.2022, "State-of-the-Art AoD/Transparent Antenna for Wearables/Smartwatch/XR and Beyond 5G, TE Connectivity, USA
Invited Speaker, 3.22.2022, "Eliminating 28 GHz 5G Deadspots using 360 degrees Beamforming Antenna Technology, Korea Communication Agency, Naju, Korea
Invitied Speaker, 12.17.2021, Meta (Facebook), USA
Keynote Speaker, 11.29.2021, "Antennas-On-Displays", at 2021 IEEE iWEMS,
Invited Speaker, 11.22.2021, "Optically Invisible Antennas", Bosche, Germany
Invited Speaker, 8.12.2021, "Key Technologies for 6G Wireless", Korea Communications Agency (KCA), Naju, Korea
Invited Speaker, 6.16.2021, "Reconfigurable Intelligent Surface for 6G Wireless", LG Electronics, Seoul, Korea
Invited Speaker, 5.25.2021, "Transparent Antennas: Present and Challenges" ETRI, Daejeon, Korea
Invited Speaker, 5.7.2021, "Maximizing the Possibilities of mmWave 5G through 360 Degrees Antennas and Measurement Solutions", Qualcomm, San Diego, USA
Invited Speaker, 4.30.2021 "State-of-the-Art millimeter-wave antennas" at Sunway Communications, San Diego, USA
Invited Speaker, 4.16.2021, "Electromagnetic Solutions using Glass Substrates", Corning Precision Materials, Cheonan, Korea
Invited Speaker, 3.19.2021, "Research on the Concept, Design, and Verification of 6G Antenna", The 13th, Electromagnetic Measurement Technology Workshop, Seoul, Korea
Invited Speaker, 3.05.2021, "State-of-the-Art Millimeter-wave Antennas and RF Technologies for 5G/6G Mobile Devices", University of Malaysia Perlis, Malaysia
Invited Speaker, 1.26.2021, "Electromagnetics for Future Technologies", Busan Metropolitan City Institute for Gifted Education and Promotion
Plenary Speaker, 12.14.2020, "Challenges and Opportunities for Millimeter-wave and sub-THz mobile antennas for Beyond 5G and 6G " at 2020 IEEE International RF & Microwave Conference (RFM), Malaysia
Invited Speaker, 10.08.2020, "The present and future of 5G/6G materials and RF components ", SK HTM, Cheonan, Korea
Invited Speaker, 9.24.2020 "Achieving 360 Degree Coverage using Antenna-on-Display/mmWave Antenna-in-Package ", Google, Mountain View, CA
Invited Speaker, 9.15.2020 "Invisible Antenna-on-Displays: Technology and Applications ", Google, Mountain View, CA
Invited Speaker, 8.20.2020 "Recent trends in millimeter-wave based Beyond 5G mobile antennas: Challenges and possible approaches" at the 5th International Conference on UK-China Emerging Technologies, Scotland, UK
Invited Speaker, 1.10.2020. "Trends in Antenna-in-Package and Interconnects", Samsung Electronics, Cheonan, Korea
Invited Speaker, 12.09.2019. "State-of-the-Art Millimeter-wave Antennas and RF Technologies for 5G/6G Mobile Devices ", National University of Singapore hosted by NUS/CRFID chapter jointly with IEEE MTT/AP and EMC chapters, Singapore
Invited Speaker, 11.29.2019, "Emerging Topics and Key Challenges in Antenna and RF Technologies" Samsung Electronics, Suwon, Korea
Invited Speaker, 8.7.2019, National Intelligence Service, Korea
Invited Speaker, 7.5.2019, "Present and Outlook of 5G/6G Antenna Systems", ETRI, Daejeon, Korea
Invited Speaker, 6.13.2019, "5G Display Antennas", 2019 Tech week, sponsored by eTnews (http://english.etnews.com/ ), Seoul Korea
Invited Speaker (with Sohyun Jung), 5.17.2019, "Incorporating artificial intelligence (AI) for 5G antenna technologies", 인공지능과 6G 시대를 대비한 전파 신기술 워크숍, sponsored by KIEES, Seoul, Korea
Invited Speaker (with Youngno Yoon), 5.16.2019, "Optically-transparent thin-film analysis for new conceptual communication devices", ANSYS Innovation Day, Seoul, Korea
Invited Speaker, 4.26.2019, "Software-controlled pattern- and polarization- reconfigurable block cell antenna concept with infinite scalability", Antenna Technology Workshop sponsored by KIEES/IEEE AP-S, Seoul, Korea
Invited Lecturer, 4.1.2019, National Intelligence Service, Korea
Invited Lecturer, 3.13.2019, National Intelligence Service, Korea
Invited Speaker, 3.9.2019, "Latest advances in 5G Wireless Systems", Amotech, Seoul, Korea
Invited Presenter 3.5.2019, "Compact MIMO antenna concept realizing entire 4G LTE and 5G spectrum for full-display Metallic Handsets", IEEE International Workshop on Antenna Technology (iWAT) 2019, Miami, FL, USA
Invited Speaker, 10.2.2018, "5G Technologies for Future Mobile Devices", Google, Mountain View, CA, USA
Invited Speaker, 10.2.2018, "Antenna-on-Display", Google, Mountain View, CA, USA
Invited Speaker, 9.10.2018, "mmWave packaging and characterization techniques", Samsung Electronics Mobile Business Division, Suwon, Korea
Invited Speaker, 8.13.2018, "RF Circuits", LG Electronics, Seoul, Korea
Invited Speaker, 7.19.2018, "Evolution of millimeter-wave and 5G Frontends", EMC Korea 2018, Seoul, Korea
Invited Speaker, 6.19.2018, "IC, antennas, packaging and interconnects for Beyond 5G", Samsung Electronics LSI Business Division, Hwaseong, Korea
Invited Speaker, 6.14.2018, "Electromagnetic surfaces for millimeter-wave 5G communications", Corning Sullivan Park Science and Technology Center, Corning, NY, U.S.A.
Invited Speaker, 4.9.2018, "AiP design for 5G millimeter-wave cellular devices", IEEE European Conference on Antennas and Propagation (EuCAP), London, UK
Invited Speaker, 3.9.2018, "Antenna and RF frontend design technologies for millimeter-wave: Challenges and potential solutions", South China University of Technology (SCUT), Guangzhou. China
Invited Speaker, 3.8.2018, "Antenna and RF frontend design technologies for millimeter-wave: Challenges and potential solutions", National Sun Yat-Sen University, Guangzhou. China
Invited Speaker, 3.7.2018, "Radiation resistance enhancement techniques for metallic smartwatch antennas and coils", 2018 iWAT, Nanjing, China
Invited Speaker, 2.8.2018, "Antenna and RF frontend design technologies for millimeter-wave fifth generation (5G) cellular devices:, Feng Chia University, Taichung, Taiwan
Invited Speaker, 2.7.2018, "Antenna and RF frontend design technologies for millimeter-wave fifth generation (5G) cellular devices", IEEE AP-S Distinguished Lecture, National Taiwan University of Science and Technology, Taipei, Taiwan
Invited Speaker, 12.13.2017, "Optically invisible antenna-on-display (AoD) for future wireless applications, Tokyo Institute of Technology, Tokyo, Japan
Invited Lecturer, 10.27.2017, "5G antenna roadmap", 2017 SPEAG & ZMT Workshop, Sungnam, Korea
Invited Lecturer, 10.23.2017, "Recent trends in 5G antennas", Electromagnetic Wave Technology Institute, Seoul, Korea
Invited Lecturer, 10.19.2017, "Millimeter-wave 5G RF technologies", ANSYS 5G Forum, Shanghai, China
Invited Lecturer, 9.22.2017, "Transparent microwave antennas", Corning, Asan, Korea
Invited Lecturer, 9.15.2017, "5G Antennas and RF Front-end for mobile platforms II", Samsung Electronics Mobile Business Division, Suwon, Korea
Invited Keynote Presenter, 8.17.2017, "Key Technologies for Mobile Millimeter-wave 5G", Electromagnetic Technology Workshop, Seochun, Korea
Invited Lecturer, 7.28.2017, "5G Antennas and RF Front-end for mobile platforms", Samsung Electronics Mobile Business Division, Suwon, Korea
Invited Presenter, 7.1.2017, "mmWave Vertically-Polarized End-fire Antenna with Extremely-Small Profile" at 2017 IEIE (Institute of Electronic and Information Engineers) Summer Symposium, Busan, Korea
Invited Presenter, 6.27.2017, "Millimeter-wave antennas and optically invisible RF circuits", ISMOT 2017 Symposium, Seoul, Korea
Invited Speaker, 6.19.2017, "Phased-array Antennas for Wireless Communication", LG Display, Paju, Korea
Invited Speaker, 5.26.2017, "Multimodal mmWave antennas for 5G networks", 2017 ANSYS Conference, Seoul, Korea
Invited Speaker, 4.28.2017, "mmWave Beamforming Antennas for Future 5G Mobile Devices", SK Telecom, Sungnam, Korea
Invited Speaker, 4.21.2017, "Optically invisible Antennas embedded in OLED Displays", 2017 Antenna Workshop, Seoul, Korea
Invited Speaker, 4.20.2017, "Optically Transparent Antennas for Wearable Devices", 119th Korean Chemical Society Meeting, Koyang, Korea.
Invited Speaker, 3.10.2017, "Issues on 5G Base Station and Mobile Antennas", 2017 Microwave and Millimeter-wave Workshop, Seoul, Korea.
Invited Speaker, 1.17.2017, "Quantitative Analysis of the Effects of Polarization and Pattern Reconfiguration for mmWave 5G Mobile Antenna Prototypes", 2017 IEEE Radio Wireless Week (RWW), Phoenix, AZ, U.S.A.
Invited Speaker, 12.12.2016, "Challenges of 5G Antennas and Measurement Methodologies", 5G Antenna Workshop hosted by Electromagnetic Wave Technology Institute, Seoul, Korea
Invited Lecturer, 12.6.2016, "Invisible Microwave Antennas for Future Wireless Communication", UNIST, Ulsan, Korea
Invited Speaker, 10.13.2016, "Optically Invisible Antennas for Wireless Communication", Ansys Convergence Conference, Seoul, Korea
Invited Lecturer, 10.10.2016, "'Antennas and Packaging", KAIST, Daejeon, Korea
Invited Speaker, 10.6.2016, "Design and experimentation of mmWave 5G antennas for future handsets", 5G & mmWave Workshop (hosted by Keysight Technologies), Seoul, Korea
Invited Speaker, 8.26.2016, "mmWave Antennas for Radar and Wireless Communication", GigaLane, Hwaseong, Korea
Invited Speaker, 8.19.2016, "Design and fabrication process technology for 4G/5G Antennas", Samsung DMC R&D Center, Seoul, Korea
Invited Speaker, 8.17.2016, "The present and future of millimeter-wave circuits", Electromagnetics Technology Workshop, Seocheon, Korea
Invited Speaker, 7.29.2016, "Review and Key Design Considerations for Implantable Biomedical Antennas", Samsung Advanced Institute of Technology, Suwon, Korea
Invited Speaker, 7.5.2016, Confidential Topic, Dongwoo Fine-Chem, Pyeongtaek, Korea
Invited Speaker, 6.22.2016, "IoT and Wearable Antennas", Samsung Electronics GTC, Suwon, Korea
Invited Speaker, 6.21.2016, Keynote Speech on IoT and 5G, Ansys Internet of Things (IoT) Seminar, Seoul, Korea
Invited Speaker, 6.20.2016, Confidential Topic, Samsung Electronics System LSI, Hwaseong, Korea
Invited Presenter, 5.27.2016, IEEE International Microwave Symposium (IMS) Workshop, "Antennas and Packaging for mmWave/THz Applications", San Francisco, USA
Invited Speaker, 5.18.2016, "Antennas and RF Technologies for 5G Communication" Electronics and Research Institute (ETRI), Daejon, Korea
Invited Speaker, 4.25.2016, "60 GHz Wireless Communications", Samsung Electronics Mobile Business, Suwon, Korea
Invited Speaker, 11.20.2015, 5G Millimeter-wave Workshop (Hosted and invited by the Telecommunication Ministry of the Islamic Republic of Iran), Tehran, Iran
Invited Speaker, 6.30.2015, "Millimeter-wave 5G Mobile Antennas", KIEES, Millimeter and 5G Workshop, Seoul, Korea
Invited Presenter, 5.20.2015, IEEE International Microwave Symposium (IMS), 5G mmWave Workshop, Phoenix, USA
Invited Presenter, 4.17. 2015 9th European Conference on Antennas and Propagations, IEEE, Lisbon, Portugal
Invited Speaker, 3.25.2015, "Multi-polarized mmWave configurations for 5G mobile terminals", IEEE International Workshop on Antenna Technology (iWAT), Seoul, Korea
Invited Speaker, 10.8.2014, "Exploiting mmWave smart antennas technologies for next generation cellular networks" MiWEBA International Workshop on Millimeter-wave for 5G in CEATEC2014 (MMW5G), Chiba, Japan
Invited Speaker, 7.8.2014, KIEES, Electromagnetic New Technology Workshop, Seoul, Korea
Invited Speaker, 6.18.2014, KIEES, RF/Analog Circuits Workshop, Seoul, Korea
Invited Speaker, 6.4.2014, IEEE International Microwave Symposium (IMS), 5G mmWave Workshop,Tampa Bay, USA
Invited Presenter, 4.4.2014, 8th European Conference on Antennas and Propagations, IEEE, The Hague, Netherlands
Invited Lecturer, 11.5.2013, "Millimeter-wave 5G Technology", 2013 IEEE Asia Pacific Microwave Conference, Seoul, Korea
Invited Lecturer, 12.13.2013, "Recent trends on connectivity antennas", 2013 National Radio Research Agency Workshop on Antenna/RF Technologies, Seoul, Korea
Invited Speaker, 4.26.2013, "60 GHz Antennas for Ultra-fast connectivities", Antenna Technologies Workshop, KIEES, Seoul, Korea
Invited Lecturer, 12.14.2012, "Millimeter-wave Antenna and Measurements" Advanced Antenna Technologies Workshop, Korea Radio Promotion Association, Seoul, Korea
Invited Speaker of Industry Session, 7.12.2012, "60 GHz Antennas and Arrays", Ajou University, Suwon, Korea
Invited Speaker, 5.24.2012,"mmWave Embedded Radio Antennas" Institute of Electronics and Information Engineers 2012 NFC Workshop, Seoul, Korea
Invited Speaker, 12.15.2011, “Current trend in Antennas and RF Circuits”, Ajou University, Suwon, Korea
Invited Speaker, 11.24.2011, "NFC Antennas", National Radio Research Agency EMC Fest, Hwaseong, Korea