Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Dong Gun Lee (10 out of 24 patents)

Donggun Lee (1 out of 16 patents)

Jang Hui Han (1 out of 1 patent)

4. Sojeong Lee (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 12761564 - Synchrotron light source (2026-10-13),

2. 12332188 - High-performance EUV microscope with free form illumination system (2025-06-17),

3. 12287579 - High-performance EUV microscope device with free-form illumination system structure having elliptical mirror (2025-04-29),

4. 12282144 - High-performance EUV microscope device with free-form illumination system structure (2025-04-21),

5. 12250763 - EUV light source device and plasma gas recycling system for high-density plasma generation (2025-03-11),

6. 11898970 - EUV mask inspection device using multilayer reflection zone plate (2024-02-13),

7. 11829064 - EUV lighting device using multilayer reflection zone plate and manufacturing method thereof (2023-11-28),

8. 11817230 - Device for EUV light source (2023-11-14),

9. 11740552 - Pellicle structure for EUV lithography and manufacturing method therefor (2023-08-29),

10. 11619876 - System of inspecting pattern defect in scanning-type reflective extreme ultraviolet mask (2023-04-04),

11. 11561467 - Reflectivity and transmittance measuring device of EUV mask and EUV pellicle (2023-01-24),

Company Overview

Esol Inc., headquartered in Hwaseong, South Korea, specializes in advanced electronic solutions and software development. The company focuses on creating innovative products and services that enhance connectivity and efficiency across various sectors. With a strong emphasis on research and development, Esol Inc. is dedicated to pushing the boundaries of technology, particularly in areas such as embedded systems and IoT applications. Its commitment to quality and innovation positions it as a key player in the electronics industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#16 in Hwaseong

#1,012 in South Korea

#51,761 in the World

Hwaseong, South Korea

Esol Inc.

Forward Citations = 2

4 inventors:

Dong Gun Lee (10 out of 24 patents)

Donggun Lee (1 out of 16 patents)

Jang Hui Han (1 out of 1 patent)

4. Sojeong Lee (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Esol Inc.. Retrieved from https://idiyas.com/company/esol

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]