Location History:
- Daejon, KR (2009)
- Daejeon, KR (2008 - 2012)
- Daejeon-si, KR (2012 - 2013)
Company Filing History:
5 out of 11,326 
1 out of 594 Years Active: 2008-2013
Title: Wang-Joo Lee: Innovator in Metamaterials and Optical-Wireless Technology
Introduction
Wang-Joo Lee is a prominent inventor based in Daejeon-si, South Korea. He has made significant contributions to the fields of metamaterials and optical-wireless technology. With a total of 5 patents to his name, his work has garnered attention for its innovative approaches to solving complex engineering challenges.
Latest Patents
Wang-Joo Lee's latest patents include a "Metamaterial Transmission Line Apparatus and Method of Implementing the Same." This invention focuses on a metamaterial transmission line designed for transmitting electromagnetic waves. The apparatus features a substrate with an upper and lower portion, a signal line, and a defected ground structure that includes an etched region and two metal portions. This design enhances the efficiency of electromagnetic wave transmission.
Another notable patent is the "High Power Efficiency Optical-Wireless Transmitter." This invention addresses issues related to low power efficiency and signal distortion caused by non-linearity of output. The transmitter includes an amplitude-to-array coder that converts electric signal amplitudes into optical source control signals, thereby generating optical output power that corresponds to the electric signal. This innovation aims to improve the performance of optical wireless communication systems.
Career Highlights
Wang-Joo Lee has worked with esteemed organizations such as the Electronics and Telecommunications Research Institute and the University-Industry Cooperation Group of Kyung Hee University. His experience in these institutions has allowed him to collaborate on various research projects and contribute to advancements in technology.
Collaborations
Some of Wang-Joo Lee's notable coworkers include Jae-Ick Choi and Kwang-Joon Kim. Their collaborative efforts have further enriched the research and development landscape in which they operate.
Conclusion
Wang-Joo Lee's innovative work in metamaterials and optical-wireless technology showcases his commitment to advancing engineering solutions. His patents reflect a deep understanding of complex systems and a drive to improve efficiency in communication technologies.