For the Inventor, By the Inventor

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Gyeonggi-do, South Korea

Kctech Co., Ltd.

USPTO Granted Patents = 4

Forward Citations = 0

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10 inventors (with patents filed for the assignee):

Jin Sook Hwang (1 out of 5 patents)

Dong Min Kim (1 out of 2 patents)

You Sun Jung (1 out of 4 patents)

4. O Seong Kwon (1 out of 1 patent)

5. Ho Kyun Lim (1 out of 1 patent)

6. Jun Ha Hwang (1 out of 1 patent)

7. Jung Hun Kim (1 out of 1 patent)

8. Hyung Chul Kim (1 out of 1 patent)

9. Hyun Goo Kong (1 out of 1 patent)

10. Yun Su Kim (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12691549 - Method for discriminating wafer region and wafer region discrimination apparatus for performing the same (2026-07-28),

2. 12644017 - Slurry composition for metal polishing (2026-06-02),

3. 12615987 - Substrate processing apparatus and system including the same (2026-04-28),

4. 12528974 - Polishing slurry composition (2026-01-20),

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USPTO Data Jan 1 1976 - Sep 22 2026

4 Patents

#401 in Gyeonggi-do

#2,193 in South Korea

Gyeonggi-do, South Korea

Kctech Co., Ltd.

Forward Citations = 0

10 inventors:

Jin Sook Hwang (1 out of 5 patents)

Dong Min Kim (1 out of 2 patents)

You Sun Jung (1 out of 4 patents)

4. O Seong Kwon (1 out of 1 patent)

5. Ho Kyun Lim (1 out of 1 patent)

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