% Expired Patents = 50.0

EPO Patents = 1

Forward Citations = 13

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7 inventors (with patents filed for the assignee):

Seung June Yi (1 out of 482 patents)

Seung-jun Yi (1 out of 3 patents)

Kyung-hee Choi (1 out of 3 patents)

4. Do-hyun Choi (1 out of 4 patents)

5. Young-chan Choi (1 out of 1 patent)

6. Kyung Hee Choi (1 out of 2 patents)

7. Do Hyun Choi (1 out of 4 patents)

8. Do-Hyun Choi (0 patent)

2 patents: Sort by Forward Citations

1. 7622899 - Organic electroluminescence display and method of fabricating the same (2009-11-24),

2. 6948993 - Method of fabricating organic electroluminescent displays having a stacked insulating layer with halftone pattern (2005-09-27),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#1,305 in Seoul

#3,801 in South Korea

Seoul, South Korea

Daewoo Electronics Service Co., Ltd.

Forward Citations = 13

7 inventors:

Seung June Yi (1 out of 482 patents)

Seung-jun Yi (1 out of 3 patents)

Kyung-hee Choi (1 out of 3 patents)

4. Do-hyun Choi (1 out of 4 patents)

5. Young-chan Choi (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daewoo Electronics Service Co., Ltd.. Retrieved from https://idiyas.com/company/daewoo-electronics-service-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]

1 patent (EPO):

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]