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Yeongju, South Korea

Sk-Materials Co., Ltd.

USPTO Granted Patents = 9

Forward Citations = 3

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23 inventors (with patents filed for the assignee):

Cheol Woo Kim (7 out of 27 patents)

Jin Kyung Jo (6 out of 9 patents)

Young Bom Kim (6 out of 9 patents)

4. Jae Hoon Kwak (6 out of 8 patents)

5. Yu Na Shim (5 out of 24 patents)

6. Jong Ho Lee (5 out of 7 patents)

7. Kwang Kuk Lee (3 out of 21 patents)

8. Min Kyung Seon (2 out of 8 patents)

9. Je Ho Lee (2 out of 5 patents)

10. Jin Su Ham (1 out of 17 patents)

11. Beom Sik Kim (1 out of 37 patents)

12. Jung Ha Shin (1 out of 2 patents)

13. Hong Suk Kang (1 out of 6 patents)

14. Won Wook So (1 out of 12 patents)

15. Shin Hong Yook (1 out of 6 patents)

9 patents: Sort by Forward Citations

1. 11236116 - Silicon compound (2022-02-01),

2. 11186772 - Etching composition, method for etching insulating film of semiconductor devices using the same and method for preparing semiconductor devices (2021-11-30),

3. 11066601 - Composition for etching, method for etching insulator and method for manufacturing semiconductor device, and novel compounds (2021-07-20),

4. 11028321 - Etching composition, method for etching insulating layer of semiconductor devices and method for preparing semiconductor devices (2021-06-08),

5. 10941341 - Etching composition additive, method for preparing the same and etching composition comprising the same (2021-03-09),

6. 10934167 - Preparation method of trifluoroamine oxide (2021-03-02),

7. 10836962 - Etchant composition, method of etching insulating film, method of manufacturing semiconductor device, and silane compound (2020-11-17),

8. 10781371 - Etchant composition and silane compound (2020-09-22),

9. 9586820 - Apparatus for preparing germane gas and method for preparing monogermane gas using same (2017-03-07),

Company Overview

SK-materials Co., Ltd. is a leading company in the materials industry, specializing in the production and distribution of high-quality materials for various applications. With a strong focus on innovation and customer satisfaction, SK-materials is committed to providing cutting-edge solutions to meet the needs of their clients. Through continuous research and development, the company strives to maintain its position as a trusted supplier in the market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#1 in Yeongju

#1,189 in South Korea

Yeongju, South Korea

Sk-Materials Co., Ltd.

Forward Citations = 3

23 inventors:

Cheol Woo Kim (7 out of 27 patents)

Jin Kyung Jo (6 out of 9 patents)

Young Bom Kim (6 out of 9 patents)

4. Jae Hoon Kwak (6 out of 8 patents)

5. Yu Na Shim (5 out of 24 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sk-Materials Co., Ltd.. Retrieved from https://idiyas.com/company/sk-materials-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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