Location History:
- Pasadena, CA (US) (2006 - 2011)
- Torrance, CA (US) (2014)
- La Palma, CA (US) (2014 - 2024)
Company Filing History:
15 out of 4,547 
1 out of 71 
Years Active: 2006-2025
Title: Innovations of Choonsup Lee
Introduction
Choonsup Lee is a prominent inventor based in La Palma, California, known for his significant contributions to the field of submillimeter-wave and terahertz technologies. With a total of 15 patents to his name, Lee has made remarkable advancements that have the potential to impact various applications in telecommunications and beyond.
Latest Patents
One of his latest patents is the "Waveguide based submillimeter-wave and terahertz variable attenuator." This innovative device includes one or more attenuators made from a porous dielectric material, topped with a metal coating. An actuator is coupled to the attenuator, allowing for positioning with nanometer resolution. This design enables the control of electromagnetic waves in the frequency range of 100 gigahertz (GHz) to 1 terahertz (THz), achieving variable or predetermined attenuation of the transmitted waves.
Another notable patent is the "On-chip diplexed multi-band submillimeter-wave/terahertz sources." This solid-state device chip incorporates diodes that generate higher or lower frequency outputs through frequency multiplication or mixing. The novel on-chip diplexing design allows for the combination of multiple multiplier or mixer structures operating at different frequency bands within the 50-5000 GHz range. This advancement significantly increases bandwidth from the current state-of-the-art of 10-15% to at least 40%.
Career Highlights
Throughout his career, Choonsup Lee has worked with esteemed institutions such as the California Institute of Technology and the Doheny Eye Institute. His work has been instrumental in advancing the understanding and application of terahertz technologies.
Collaborations
Lee has collaborated with notable professionals in his field, including Goutam Chattopadhyay and Imran Mehdi. These collaborations have further enriched his research and innovations.
Conclusion
Choonsup Lee's contributions to the field of submillimeter-wave and terahertz technologies are noteworthy. His innovative patents and collaborations highlight his role as a leading inventor in this specialized area.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.