EPO Patents = 1

Forward Citations = 16

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23 inventors (with patents filed for the assignee):

Hyung-Jong Lee (2 out of 2 patents)

Nam Seob Baek (2 out of 3 patents)

Jonghwi Lee (2 out of 2 patents)

4. Yun Jung Seo (2 out of 2 patents)

5. Woo Jin Lee (2 out of 2 patents)

6. Jun Kyu Seo (2 out of 2 patents)

7. Woo-Jin Lee (1 out of 29 patents)

8. Tae-Kyun Kim (1 out of 51 patents)

9. Young Ouk Noh (1 out of 1 patent)

10. Yoon Koo Kwon (1 out of 1 patent)

11. Jin-Kwon Jeong (1 out of 1 patent)

12. Tae-Hyeong Kim (1 out of 6 patents)

13. Ki-Woon Na (1 out of 1 patent)

14. Kwon-Hoon Han (1 out of 1 patent)

15. Seung-Rog Choi (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 10797464 - Wavelength locking structure and method for tunable laser (2020-10-06),

2. 10752718 - Photocurable resin composition and method of forming patterns using the same (2020-08-25),

3. 10557066 - Adhesive composition for photocurable interface and surface modification method of substrate using the same (2020-02-11),

4. 9817190 - Tunable wavelength filter with embedded metal temperature sensor and its application to external-cavity type tunable wavelength laser (2017-11-14),

5. 9106361 - Passive wavelength division multiplexing device for automatic wavelength locking and system thereof (2015-08-11),

6. 7202324 - Perfluorostyrene compound, and coating solution and optical waveguide device using the same (2007-04-10),

Company Overview

Chem Optics Inc. is a leading provider of optical solutions for industrial and scientific applications. With a focus on precision and quality, we offer a wide range of products including lenses, mirrors, filters, and coatings. Our team of experts is dedicated to delivering innovative solutions to meet our customers' needs. 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

6 Patents

#93 in Daejeon

#1,620 in South Korea

Daejeon, South Korea

Chem Optics Inc.

Forward Citations = 16

23 inventors:

Hyung-Jong Lee (2 out of 2 patents)

Nam Seob Baek (2 out of 3 patents)

Jonghwi Lee (2 out of 2 patents)

4. Yun Jung Seo (2 out of 2 patents)

5. Woo Jin Lee (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chem Optics Inc.. Retrieved from https://idiyas.com/company/chem-optics

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]