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Seoul, South Korea

Oci Company Ltd.

USPTO Granted Patents = 38

CIPO Patents = 3

EPO Patents = 13

Trademarks = 2

Forward Citations = 16

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113 inventors (with patents filed for the assignee):

Soo-Whan Kim (4 out of 4 patents)

Yo-Seop Kim (4 out of 4 patents)

Jae-Seok Lee (3 out of 3 patents)

4. Byung-Chul Kim (3 out of 65 patents)

5. Hyun Cheol Kim (3 out of 17 patents)

6. Yongil Kim (3 out of 3 patents)

7. Hee-Chang Ye (3 out of 3 patents)

8. Sung-Ho Jung (3 out of 3 patents)

9. Eun-Hye Jeong (3 out of 3 patents)

10. Se In Yang (3 out of 4 patents)

11. Deok Yun Kim (3 out of 3 patents)

12. Yong Il Kim (3 out of 75 patents)

13. Su-Jin Son (2 out of 2 patents)

14. MyungSup Um (2 out of 2 patents)

15. HeeChang Ye (2 out of 2 patents)

38 patents: Sort by Forward Citations

1. 12338544 - Method of preparing a silicon carbide crystal by deposition onto at least a pair of conductive heating elements (2025-06-24),

2. 12258268 - Method for purifying hydrogen peroxide (2025-03-25),

3. 11890621 - Method for separating and collecting single aggregate from fumed silica and method for classifying shape of single aggregate (2024-02-06),

4. 11591224 - Apparatus and method for preparing carbon black (2023-02-28),

5. 11377540 - Coupling agent for rubber composition and rubber composition for tire comprising the same (2022-07-05),

6. 11332622 - Method for preparing a carbon black of high resistivity and a carbon black of high resistivity prepared by this method (2022-05-17),

7. 11104848 - Etching solution for silicon substrate and method for manufacturing semiconductor device using the same (2021-08-31),

8. 11029363 - Method and device for predicting battery life (2021-06-08),

9. 10920086 - Method for oxidizing a carbon black and a method for preparing the carbon black using the same (2021-02-16),

10. 10913591 - Temperature controlled case and temperature controlled package including the same (2021-02-09),

11. 10676222 - Packing system and method (2020-06-09),

12. 10654241 - Paper material for fibrous casing, production method thereof, and fibrous casing (2020-05-19),

13. 10640706 - Etching compositions and method of etching by using the same (2020-05-05),

14. 10513438 - Method for stabilizing filaments in a chemical vapor deposition reactor (2019-12-24),

15. 10494714 - Chuck for chemical vapor deposition systems and related methods therefor (2019-12-03),

OCI Company Ltd. is a leading provider of innovative solutions in the manufacturing industry. With a focus on cutting-edge technology and superior quality, we offer a wide range of products for various industries including automotive, electronics, and healthcare. Our commitment to sustainability and customer satisfaction sets us apart in the market. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

38 Patents

#117 in Seoul

#369 in South Korea

#17,314 in the World

Seoul, South Korea

Oci Company Ltd.

Forward Citations = 16

113 inventors:

Soo-Whan Kim (4 out of 4 patents)

Yo-Seop Kim (4 out of 4 patents)

Jae-Seok Lee (3 out of 3 patents)

4. Byung-Chul Kim (3 out of 65 patents)

5. Hyun Cheol Kim (3 out of 17 patents)

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