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Yongin, South Korea

Enf Technology Co., Ltd.

USPTO Granted Patents = 18

Trademarks = 1

Forward Citations = 2

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55 inventors (with patents filed for the assignee):

Myung Ho Lee (13 out of 66 patents)

Myung Geun Song (10 out of 23 patents)

Hyeon Woo Park (7 out of 7 patents)

4. Jin Sung Kim (5 out of 54 patents)

5. Du Won Lee (3 out of 3 patents)

6. Jang Woo Cho (3 out of 3 patents)

7. Jeong Sik Oh (3 out of 5 patents)

8. Se Hoon Kim (2 out of 5 patents)

9. Gi Young Kim (2 out of 6 patents)

10. Tae Ho Kim (2 out of 58 patents)

11. Sung Jun Hong (2 out of 2 patents)

12. Jae Jung Ko (2 out of 2 patents)

13. Myong Euy Lee (2 out of 2 patents)

14. Hoon Sik Kim (2 out of 2 patents)

15. Jun Hyeok Hwang (2 out of 2 patents)

18 patents: Sort by Forward Citations

1. 12415955 - Etchant composition for silicon layer and etching method using the same (2025-09-16),

2. 12385142 - Etchant composition for titanium-containing metal layer and etching method using the same (2025-08-12),

3. 12319860 - Etchant composition for indium oxide film or silver-containing metal film and method for preparing the same (2025-06-03),

4. 12173216 - Etchant composition for semiconductor substrates (2024-12-24),

5. 12134723 - Etching composition (2024-11-05),

6. 12031077 - Etching composition for metal nitride layer and etching method using the same (2024-07-09),

7. 11987740 - Silicon nitride film etching composition and etching method using the same (2024-05-21),

8. 11939505 - Silicon nitride film etching composition and etching method using the same (2024-03-26),

9. 11926807 - Cleaning composition and cleaning method using the same (2024-03-12),

10. 11220659 - Thinner composition (2022-01-11),

11. 11149201 - Silicon nitride layer etching composition (2021-10-19),

12. 11091695 - Etching composition and etching method using the same (2021-08-17),

13. 10982144 - Silicon nitride layer etching composition and etching method using the same (2021-04-20),

14. 10920142 - Polysiloxane-based compound, silicon nitride layer etching composition including the same (2021-02-16),

15. 10837115 - Pre-treatment composition before etching SiGe and method of fabricating semiconductor device using the same (2020-11-17),

Company Overview

Enf Technology Co., Ltd. is a South Korean company based in Yongin, specializing in the development and manufacturing of advanced technology solutions. The organization focuses on innovative products and services in the fields of electronics and telecommunications, contributing to various sectors including consumer electronics and industrial applications. With a commitment to research and development, Enf Technology aims to enhance technological capabilities and drive progress in its core domains.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

18 Patents

#18 in Yongin

#689 in South Korea

#34,244 in the World

Yongin, South Korea

Enf Technology Co., Ltd.

Forward Citations = 2

55 inventors:

Myung Ho Lee (13 out of 66 patents)

Myung Geun Song (10 out of 23 patents)

Hyeon Woo Park (7 out of 7 patents)

4. Jin Sung Kim (5 out of 54 patents)

5. Du Won Lee (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Enf Technology Co., Ltd.. Retrieved from https://idiyas.com/company/enf-technology-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]

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