% Expired Patents = 66.7

Forward Citations = 45

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4 inventors (with patents filed for the assignee):

Chieh Chen (3 out of 26 patents)

Chung J Lee (3 out of 25 patents)

Atul Kumar (3 out of 12 patents)

4. George Tzeng (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7621794 - Method of encapsulating an organic light-emitting device (2009-11-24),

2. 7549905 - Method of encapsulating an organic light emitting device (2009-06-23),

3. 7364925 - Organic light emitting device having a protective barrier (2008-04-29),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#54 in Lake Forest, CA

#16,867 in California

#73,904 in US

Lake Forest, CA, United States of America

International Display Systems, Inc.

Forward Citations = 45

4 inventors:

Chieh Chen (3 out of 26 patents)

Chung J Lee (3 out of 25 patents)

Atul Kumar (3 out of 12 patents)

4. George Tzeng (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: International Display Systems, Inc.. Retrieved from https://idiyas.com/company/international-display-systems

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]