Company Filing History:
7 out of 1,217 
1 out of 2 Years Active: 2010-2021
Title: Innovations by Jong-Sik Lee: Advancements in 5G Technology
Introduction
Jong-Sik Lee is a notable inventor based in Seoul, South Korea, with a significant contribution to the field of telecommunications through his innovative inventions. With a total of seven patents to his name, he focuses primarily on enhancing in-building relay systems to improve 5G communication services.
Latest Patents
Among Jong-Sik Lee's latest inventions are a series of advanced 5G in-building relay systems and methods. His first patent details a next-generation in-building relay system that integrates a 5G signal providing unit, 5G master hub unit, optical coupling unit, and optical distribution unit. This system effectively down-converts millimeter-wave radio frequency signals to intermediate frequency signals and facilitates their transmission via optical cables.
Another significant patent introduced by Lee focuses on the 5G in-building relay method for sharing RF cables within a building. This method comprises a 5G signal providing device, an MHU for signal transmission, a coupling device for combining signals, and a distribution device that separates and distributes the signals to be wirelessly transmitted to 5G terminals.
Career Highlights
Jong-Sik Lee has made noteworthy advancements in telecommunications while working at respected companies, including KT Corporation and Airpoint. His work has led to innovative solutions that push the boundaries of current technology, especially in the realm of 5G communication infrastructure.
Collaborations
Collaboration is vital for innovation, and Jong-Sik Lee has worked alongside talented professionals such as Sung-Yeop Pyun and Hyung-Jung Kim. These partnerships have enriched his projects and contributed to the development of cutting-edge technologies in the field.
Conclusion
Jong-Sik Lee's work exemplifies a commitment to advancing telecommunications technology through innovative inventions. With several patents focused on 5G communication systems, his contributions continue to play an essential role in the evolution of connectivity solutions. His career trajectory and collaborations highlight the importance of teamwork and innovation in the pursuit of technological excellence.