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Chungcheongbuk-do, South Korea

Pi Advanced Materials Co., Ltd.

USPTO Granted Patents = 25

Trademarks = 3

Forward Citations = 1

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23 inventors (with patents filed for the assignee):

Dong Young Won (14 out of 16 patents)

Jeong Yeul Choi (9 out of 10 patents)

Kyung Su Kim (8 out of 18 patents)

4. Kil-Nam Lee (5 out of 5 patents)

5. Dong Young Kim (4 out of 4 patents)

6. Ik Sang Lee (3 out of 3 patents)

7. Sung-Yul Back (3 out of 3 patents)

8. Hyong Sop Jo (3 out of 3 patents)

9. Hyun Jai Lim (2 out of 4 patents)

10. Sung Il Cho (2 out of 3 patents)

11. In Hwan Hwang (2 out of 4 patents)

12. Ki-Hoon Kim (2 out of 2 patents)

13. Gyeong Hyeon Ro (2 out of 2 patents)

14. Won Ho Son (2 out of 2 patents)

15. Sung-il Cho (1 out of 9 patents)

25 patents: Sort by Forward Citations

1. 12509554 - Polyimide film for graphite sheet, manufacturing method therefor, and graphite sheet manufactured therefrom (2025-12-30),

2. 12503596 - Low-dielectric-constant polyimide composite powder, and method for producing same (2025-12-23),

3. 12497488 - Highly adhesive and low-dialectric polyimide film and method for producing same (2025-12-16),

4. 12497487 - Low-dialectric polyimide film and method for producing same (2025-12-16),

5. 12479959 - Polyamic acid composition, method for preparing polyamic acid composition, polyimide comprising the same and coating material comprising the same (2025-11-25),

6. 12428526 - Polyimide film for graphite sheet, and graphite sheet manufactured therefrom (2025-09-30),

7. 12404370 - Method for producing polyimide film and polyimide film manufactured thereby (2025-09-02),

8. 12305017 - Graphite sheet and electronic device comprising same (2025-05-20),

9. 12258447 - Polyimide film, method for producing same, and flexible metal foil clad laminate comprising same (2025-03-25),

10. 12227421 - Graphite sheet produced from polyimide film having excellent orientation properties, and method for producing same (2025-02-18),

11. 12157802 - Polyimide film comprising two or more fillers with different particle diameters and electronic apparatus comprising same (2024-12-03),

12. 12139581 - Polyamic acid composition for packaging electronic components, and method for packaging electronic components using same (2024-11-12),

13. 12084553 - Polyimide film comprising at least two fillers having different diameters, and electronic device comprising same (2024-09-10),

14. 12043712 - Graphite sheet polyimide film comprising graphene-containing spherical PI-based filler, manufacturing method therefor, and graphite sheet manufactured using same (2024-07-23),

15. 11987670 - Polyimide film for graphite sheet having improved thermal conductivity, method for manufacturing same, and graphite sheet manufactured using same (2024-05-21),

Pi Advanced Materials Co., Ltd. specializes in the development and manufacturing of advanced materials for various industries. With a focus on innovation and quality, our company offers a wide range of products including high-performance polymers, ceramics, and composites. We strive to provide solutions that meet the unique needs of our customers and contribute to advancements in technology and sustainability.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

25 Patents

#4 in Chungcheongbuk-do

#513 in South Korea

#24,961 in the World

Chungcheongbuk-do, South Korea

Pi Advanced Materials Co., Ltd.

Forward Citations = 1

23 inventors:

Dong Young Won (14 out of 16 patents)

Jeong Yeul Choi (9 out of 10 patents)

Kyung Su Kim (8 out of 18 patents)

4. Kil-Nam Lee (5 out of 5 patents)

5. Dong Young Kim (4 out of 4 patents)

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