% Expired Patents = 75.0

Forward Citations = 7

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3 inventors (with patents filed for the assignee):

Young Geun Yoo (3 out of 5 patents)

Young Su Kim (3 out of 4 patents)

Dong Jin Cho (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 6871056 - Non-radiative dielectric waveguide mixer using a ring hybrid coupler (2005-03-22),

2. 6600392 - Metal window filter assembly using non-radiative dielectric waveguide (2003-07-29),

3. 6545552 - Local oscillator using non-radiative dielectric waveguide (2003-04-08),

4. 6486753 - Metal post filter assembly using non-radiative dielectric waveguide (2002-11-26),

Company Overview

Nrd Co., Ltd. is a leading technology company specializing in innovative software solutions for businesses. With a strong focus on quality and customer satisfaction, we offer a wide range of services including web development, mobile app development, and cloud computing solutions. Our team of skilled professionals is dedicated to delivering cutting-edge solutions that help our clients thrive in today's competitive marketplace. Contact us today to learn more about how we can help your business succeed.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#42 in Ulsan

#2,202 in South Korea

Ulsan, South Korea

Nrd Co., Ltd.

Forward Citations = 7

3 inventors:

Young Geun Yoo (3 out of 5 patents)

Young Su Kim (3 out of 4 patents)

Dong Jin Cho (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nrd Co., Ltd.. Retrieved from https://idiyas.com/company/nrd-company

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

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]