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Chungcheongbuk-do, South Korea

Pi Advanced Materials Co., Ltd.

USPTO Granted Patents = 27

Trademarks = 3

Forward Citations = 1

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26 inventors (with patents filed for the assignee):

Dong Young Won (15 out of 17 patents)

Jeong Yeul Choi (9 out of 10 patents)

Kyung Su Kim (8 out of 20 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 4 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 5 patents)

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

13. Gyeong Hyeon Ro (2 out of 3 patents)

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

15. Hyeong Seop Jung (2 out of 2 patents)

Core Competencies:

Polyimide Film

Graphite Sheet

Low-Dielectric Film

Thermal Conductivity

Polyamic Acid

Composite Powder

Flexible Laminate

Electronic Device

Adhesive Films

Multilayer Films

Manufacturing Method

27 patents: Sort by Forward Citations

1. 12522704 - Polyimide film having high dimensional stability and manufacturing method therefor (2026-01-13),

2. 12522701 - Polyimide film for graphite sheet, manufacturing method therefor, and graphite sheet manufactured therefrom (2026-01-13),

3. 12509554 - Polyimide film for graphite sheet, manufacturing method therefor, and graphite sheet manufactured therefrom (2025-12-30),

4. 12503596 - Low-dielectric-constant polyimide composite powder, and method for producing same (2025-12-23),

5. 12497488 - Highly adhesive and low-dialectric polyimide film and method for producing same (2025-12-16),

6. 12497487 - Low-dialectric polyimide film and method for producing same (2025-12-16),

7. 12479959 - Polyamic acid composition, method for preparing polyamic acid composition, polyimide comprising the same and coating material comprising the same (2025-11-25),

8. 12428526 - Polyimide film for graphite sheet, and graphite sheet manufactured therefrom (2025-09-30),

9. 12404370 - Method for producing polyimide film and polyimide film manufactured thereby (2025-09-02),

10. 12305017 - Graphite sheet and electronic device comprising same (2025-05-20),

11. 12258447 - Polyimide film, method for producing same, and flexible metal foil clad laminate comprising same (2025-03-25),

12. 12227421 - Graphite sheet produced from polyimide film having excellent orientation properties, and method for producing same (2025-02-18),

13. 12157802 - Polyimide film comprising two or more fillers with different particle diameters and electronic apparatus comprising same (2024-12-03),

14. 12139581 - Polyamic acid composition for packaging electronic components, and method for packaging electronic components using same (2024-11-12),

15. 12084553 - Polyimide film comprising at least two fillers having different diameters, and electronic device comprising same (2024-09-10),

Company Overview

Pi Advanced Materials Co., Ltd. is a South Korean company specializing in the development and manufacturing of advanced materials for various industrial applications. The organization focuses on innovative solutions in the fields of electronics, automotive, and energy, leveraging cutting-edge technology to enhance product performance and sustainability. With a commitment to research and development, Pi Advanced Materials aims to lead in the creation of high-quality materials that meet the evolving needs of global markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

27 Patents

#5 in Chungcheongbuk-do

#501 in South Korea

#24,034 in the World

Chungcheongbuk-do, South Korea

Pi Advanced Materials Co., Ltd.

Forward Citations = 1

26 inventors:

Dong Young Won (15 out of 17 patents)

Jeong Yeul Choi (9 out of 10 patents)

Kyung Su Kim (8 out of 20 patents)

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

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

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pi Advanced Materials Co., Ltd.. Retrieved from https://idiyas.com/company/pi-advanced-materials-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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