This inventor holds 1 USPTO granted patent. Top assignees: Ajou University Industry-Academic Cooperation Foundation, Center for Advanced Meta-Materials. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 388 
1 out of 45 Years Active: 2026
Title: Gyeong Ju Lee: Acoustic Metamaterials for Exhaust Noise Reduction.
Introduction
Gyeong Ju Lee is an inventor based in Suwon, South Korea. His work includes an invention applying acoustic metamaterials to reduce noise from internal combustion engine exhaust systems.
Latest Patents
Lee is associated with 1 patent: “Acoustic metamaterial-based muffler for exhaust noise reduction.” The invention describes an exhaust flow body with an inlet, an outlet, and a passage that guides exhaust gas. Multiple noise-reduction units are arranged along the direction of exhaust flow to target specific frequency bands in the noise produced as gas moves through the muffler.
Career Highlights
Lee is associated with the Ajou University Industry-Academic Cooperation Foundation and the Center for Advanced Meta-Materials. These affiliations connect his work with university-industry collaboration and advanced materials research.
Collaborations
Lee’s listed coworker is Jin Woo Lee. The patent’s focus on acoustic metamaterials reflects a collaborative research environment concerned with practical approaches to controlling exhaust noise.
Conclusion
Gyeong Ju Lee’s patent presents an acoustic metamaterial-based approach to reducing specific frequencies of engine exhaust noise, linking his inventive work with research and industry-academic organizations in South Korea.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile