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% Expired Patents = 28.6

Forward Citations = 31

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34 inventors (with patents filed for the assignee):

Cheol Heung Ahn (3 out of 3 patents)

Sung Chul Yoon (2 out of 16 patents)

Il-ho Jeon (2 out of 2 patents)

4. Yong-in Lee (2 out of 4 patents)

5. Hyun-Nam Cho (2 out of 9 patents)

6. Jong-Hawk Kim (2 out of 2 patents)

7. Dong Hyun Kim (2 out of 7 patents)

8. Do Hyoung Kim (1 out of 33 patents)

9. Won Jae Choi (1 out of 22 patents)

10. Donghoon Kim (1 out of 35 patents)

11. Youngjun Choi (1 out of 5 patents)

12. Juyoung Yoon (1 out of 13 patents)

13. Hwi Yong Lee (1 out of 1 patent)

14. Geoung Min Shin (1 out of 1 patent)

15. Seunghwan Chung (1 out of 21 patents)

7 patents: Sort by Forward Citations

1. 12292588 - Optical sheet and method for manufacturing optical sheet (2025-05-06),

2. 10374195 - Adhesive film and organic electronic device including the same (2019-08-06),

3. 10025021 - Display device and method of fabricating the same (2018-07-17),

4. 9961809 - Heat radiation sheet and method for manufacturing of the same (2018-05-01),

5. 9116281 - Complex optical film and light source assembly including the same (2015-08-25),

6. 7001538 - PTC composition and PTC device comprising the same (2006-02-21),

7. 6828362 - PTC composition and PTC device comprising it (2004-12-07),

Shinwha Intertek Corporation is a leading provider of testing, inspection, and certification services to various industries including automotive, aerospace, and consumer products. With a strong focus on quality and safety, Shinwha Intertek helps companies ensure their products meet regulatory standards and customer expectations. The company's state-of-the-art facilities and experienced professionals make them a trusted partner for businesses looking to achieve compliance and build consumer trust.

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USPTO Data Jan 1 1976 - Sep 22 2026

7 Patents

#10 in Gyeonggi

#1,436 in South Korea

Gyeonggi, South Korea

Shinwha Intertek Corporation