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Gyeonggi-do, South Korea

Psk Inc.

USPTO Granted Patents = 29

Trademarks = 10

Forward Citations = 52

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63 inventors (with patents filed for the assignee):

Jong Chan Lee (4 out of 15 patents)

Kwang Sung Yoo (4 out of 4 patents)

Han Saem Rhee (3 out of 3 patents)

4. Geon Jong Kim (3 out of 3 patents)

5. Jeong Hee Cho (2 out of 7 patents)

6. Jung-Hyun Kang (2 out of 2 patents)

7. A Ram Kim (2 out of 4 patents)

8. Seung-Kook Yang (2 out of 2 patents)

9. Jong Sik Lee (2 out of 2 patents)

10. Sung Jin Yoon (2 out of 3 patents)

11. Ju Young Park (2 out of 6 patents)

12. Hee Sun Chae (2 out of 2 patents)

13. Chang Weon Lee (2 out of 2 patents)

14. Hyun Jun Kim (2 out of 2 patents)

15. Tae Hwan Youn (2 out of 2 patents)

29 patents: Sort by Forward Citations

1. 12476076 - Substrate processing apparatus (2025-11-18),

2. 12424417 - Substrate processing apparatus and substrate processing method (2025-09-23),

3. 12417901 - Apparatus for treating substrate and method for aligning dielectric plate using the same (2025-09-16),

4. 12387911 - Support unit, apparatus for treating substrate, and method for treating substrate (2025-08-12),

5. 12278091 - Substrate processing apparatus and substrate processing method (2025-04-14),

6. 12062525 - Support unit, and apparatus for treating substrate with the same (2024-08-13),

7. 11862434 - Substrate processing apparatus (2024-01-02),

8. 11817291 - Faraday shield and apparatus for treating substrate (2023-11-14),

9. 11776791 - Substrate processing apparatus and substrate processing method (2023-10-03),

10. 11302558 - Substrate processing apparatus and substrate transfer method (2022-04-12),

11. 11295933 - Substrate processing apparatus and substrate processing method (2022-04-05),

12. 11139152 - Substrate processing apparatus (2021-10-05),

13. 10964565 - Substrate processing apparatus and method (2021-03-30),

14. 10395898 - Substrate treating apparatus, substrate treating method, and plasma generating unit (2019-08-27),

15. 10312060 - Plasma generating apparatus using mutual inductive coupling and substrate treating apparatus comprising the same (2019-06-04),

PSK INC. is a leading technology company specializing in software development and IT solutions. With over 10 years of experience, we provide cutting-edge products and services to a wide range of industries, including healthcare, finance, and retail. Our team of skilled professionals is dedicated to delivering innovative solutions that drive business growth and enhance operational efficiency. Visit our website to learn more about our services and how we can help your business succeed.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

29 Patents

#39 in Gyeonggi-do

#451 in South Korea

#21,869 in the World

Gyeonggi-do, South Korea

Psk Inc.

Forward Citations = 52

63 inventors:

Jong Chan Lee (4 out of 15 patents)

Kwang Sung Yoo (4 out of 4 patents)

Han Saem Rhee (3 out of 3 patents)

4. Geon Jong Kim (3 out of 3 patents)

5. Jeong Hee Cho (2 out of 7 patents)

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