Choonsup Lee

This inventor holds 15 USPTO granted patents and 3 published patent applications, primarily in Terahertz Technology. Top assignees: California Institute of Technology, Doheny Eye Institute. Active years: 2006-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Choonsup Lee. Retrieved from https://idiyas.com/inventor/choonsup-lee

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 15 (Patent Applications = 3)

% Patents Active = 80.0

Average Co-Inventor Count = 6.4

ph-index = 4

Forward Citations = 595(Granted Patents)

Location History:

Pasadena, CA (US) (2006 - 2011)
Torrance, CA (US) (2014)
La Palma, CA (US) (2014 - 2024)

Company Filing History:

15 out of 4,632

California Institute of Technology

where one patent can have more than one assignee

Years Active: 2006-2025

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Areas of Expertise:

Submillimeter-Wave

Terahertz Sources

Antenna Array

Wafer-to-Wafer Alignment

Frequency Multipliers

Multipixel Transceiver

Deep Reactive Ion Etching

Silicon Alignment Pins

Planar Antennas

Subharmonic Mixer

Anti-Reflective Device

Wireless Sensor

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12191552 - Waveguide based submillimmeter-wave and terahertz variable attenuator (2025-01-07),

2. 12087867 - On-chip diplexed multi-band submillimeter-wave/terahertz sources (2024-09-10),

3. 11824247 - Method for making antenna array (2023-11-21),

4. 10693210 - Method for making antenna array (2020-06-23),

5. 10100858 - Wafer-to-wafer alignment method (2018-10-16),

6. 10075151 - High power W-band/F-band Schottky diode based frequency multipliers (2018-09-11),

7. 9791321 - 340 GHz multipixel transceiver (2017-10-17),

8. 9512863 - Silicon alignment pins: an easy way to realize a wafer-to-wafer alignment (2016-12-06),

9. 9461352 - Multi-step deep reactive ion etching fabrication process for silicon-based terahertz components (2016-10-04),

10. 9143084 - On-chip power-combining for high-power schottky diode based frequency multipliers (2015-09-22),

11. 8780012 - Dielectric covered planar antennas (2014-07-15),

12. 8693973 - 670 GHz Schottky diode based subharmonic mixer with CPW circuits and 70 GHz IF (2014-04-08),

13. 7964433 - Anti-reflective device having an anti-reflective surface formed of silicon spikes with nano-tips (2011-06-21),

14. 7595477 - Anti- reflective device having an anti-reflection surface formed of silicon spikes with nano-tips (2009-09-29),

15. 7131945 - Optically powered and optically data-transmitting wireless intraocular pressure sensor device (2006-11-07),

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.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

3 patents pending: