% Expired Patents = 42.9

Forward Citations = 51

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10 inventors (with patents filed for the assignee):

Jae-Gyoung Lee (6 out of 8 patents)

Youngkyoo Kim (5 out of 7 patents)

Dong-Kwon Choi (3 out of 3 patents)

4. Ki-jong Han (2 out of 2 patents)

5. Young-Kyoo Kim (1 out of 1 patent)

6. Ji-Hwan Keum (1 out of 1 patent)

7. Dae-Seok Jun (1 out of 1 patent)

8. Ha-Keun Hwang (1 out of 1 patent)

9. Ki-Jong Han (1 out of 1 patent)

10. Youngkoo Kim (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6821651 - Red fluorescent material and organic electroluminescent device containing same (2004-11-23),

2. 6800380 - Organometallic luminescent materials and organic electroluminescent device containing same (2004-10-05),

3. 6579633 - Organometallic luminescent materials and organic electroluminescent device containing same (2003-06-17),

4. 6497969 - Electroluminescent device having an organic layer including polyimide (2002-12-24),

5. 6379743 - Process for the preparation of organic electroluminescent device using vapor deposition polymerization (2002-04-30),

6. 6342637 - Diamine hole transport agent and organic electroluminescent device containing same (2002-01-29),

7. 6337404 - Diamine hole transport agent and organic electroluminescent device containing same (2002-01-08),

Company Overview

Nessdisplay Co., Ltd. is a leading manufacturer of high-quality display solutions for various industries. With a strong focus on innovation and technology, we provide cutting-edge display products that meet the needs of our customers. Our products are known for their durability, clarity, and performance, making us a trusted partner for businesses looking to enhance their visual communication. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#54 in

#1,435 in South Korea

KR

Nessdisplay Co., Ltd.

Forward Citations = 51

10 inventors:

Jae-Gyoung Lee (6 out of 8 patents)

Youngkyoo Kim (5 out of 7 patents)

Dong-Kwon Choi (3 out of 3 patents)

4. Ki-jong Han (2 out of 2 patents)

5. Young-Kyoo Kim (1 out of 1 patent)

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