For the Inventor, By the Inventor

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Seongnam-si, South Korea

Sk Gas Co., Ltd.

USPTO Granted Patents = 11

Forward Citations = 3

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28 inventors (with patents filed for the assignee):

Ung Gi Hong (10 out of 10 patents)

Deuk Soo Park (10 out of 20 patents)

Won Choon Choi (8 out of 32 patents)

4. Yong Ki Park (7 out of 45 patents)

5. Miyoung Lee (4 out of 33 patents)

6. Daesung Park (4 out of 4 patents)

7. Hawon Park (4 out of 4 patents)

8. Changyeol Song (3 out of 3 patents)

9. Hyeongchan Ahn (2 out of 2 patents)

10. Hae Bin Shin (2 out of 2 patents)

11. Su Jin Gong (1 out of 1 patent)

12. Seo Hyun Shim (1 out of 1 patent)

13. Jung Ho Kim (1 out of 120 patents)

14. Chaeeun Yeo (1 out of 1 patent)

15. Sungwon Kim (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 12493839 - System and method for selecting process key factor in commercial chemical process (2025-12-09),

2. 12441670 - Method for producing olefins using novel catalyst and circulating fluidized bed process (2025-10-14),

3. 11865514 - Catalyst for producing olefin, including oxygen carrier material and dehydrogenation catalyst (2024-01-09),

4. 11684907 - Catalyst having enhanced conversion and selectivity for manufacturing olefin, and manufacturing method therof (2023-06-27),

5. 11484834 - Method for reducing nitrogen dioxide in exhaust gas generated during olefin production process (2022-11-01),

6. 11439982 - Method of producing olefin using circulating fluidized bed process (2022-09-13),

7. 11148123 - Catalyst for producing olefin, and continuous reaction-regeneration olefin producing method using the catalyst (2021-10-19),

8. 11141712 - Catalyst for producing olefin having enhanced stability, conversion rate and selectivity, and preparation method thereof (2021-10-12),

9. 10821432 - Olefin production method comprising reduction pretreatment (2020-11-03),

10. 10737990 - Olefin production method using circulating fluidized bed process (2020-08-11),

11. 10221111 - Method for separating propylene from dehydrogenation reaction products of propane-containing feedstock (2019-03-05),

SK Gas Co., Ltd. is one of the leading energy companies in South Korea, focused on providing clean and efficient fuel solutions to customers. With a strong presence in the gas and oil industry, SK Gas is committed to innovation and sustainability. The company offers a wide range of products and services, including liquefied petroleum gas, natural gas, and gasoline, catering to various industries and households. SK Gas also invests in research and development to drive growth and stay ahead of the competition.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

11 Patents

#48 in Seongnam-si

#966 in South Korea

#50,224 in the World

Seongnam-si, South Korea

Sk Gas Co., Ltd.

Forward Citations = 3

28 inventors:

Ung Gi Hong (10 out of 10 patents)

Deuk Soo Park (10 out of 20 patents)

Won Choon Choi (8 out of 32 patents)

4. Yong Ki Park (7 out of 45 patents)

5. Miyoung Lee (4 out of 33 patents)

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