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For the Inventor, By the Inventor

Suwon, South Korea

Kyeong-Sik Ju

This inventor holds 19 USPTO granted patents and 5 published patent applications and 9 EPO patents. Top assignees: Samsung Electronics Co., Ltd., Samsung Sdi Co., Inc.. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kyeong-Sik Ju. Retrieved from https://idiyas.com/inventor/kyeong-sik-ju

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

USPTO Granted Patents = 19 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.2

ph-index = 3

Forward Citations = 25(Granted Patents)


Company Filing History:

goldMedal19 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents
silverMedal18 out of 7,663 
 
Samsung Sdi Co., Inc.
 patents
where one patent can have more than one assignee

Years Active: 2018-2025

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19 patents (USPTO):Explore Patents
1. 12195591 - Poly(amide-imide) copolymer, method of manufacturing the same, poly(amide-imide) copolymer film, window for display device, and display device (2025-01-14),
2. 12098248 - Poly(amide-imide) copolymer, composition for preparing same, article including same, and display device including the article (2024-09-24),
3. 11926127 - Window film for display device and display device including same (2024-03-12),
4. 11851540 - Laminated film, and composition for preparing same (2023-12-26),
5. 11739183 - Poly(amide-imide) copolymer, method of manufacturing the same, poly(amide-imide) copolymer film, window for display device, and display device (2023-08-29),
6. 11267967 - Composition, electro-optic material, electro-optic device, and method for preparing electro-optic material (2022-03-08),
7. 11059954 - Composition for preparing transparent polymer film, transparent polymer film, and electronic device including same (2021-07-13),
8. 11014342 - Laminated film, and display device including same (2021-05-25),
9. 10927218 - Poly(amide-imide) copolymer, composition for preparing poly(amide-imide) copolymer, article including poly(amide-imide) copolymer, and display device including the article (2021-02-23),
10. 10858482 - Composition of preparing poly(imide-benzoxazole) copolymer, poly(imide-benzoxazole) copolymer, article containing poly(imide-benzoxazole) copolymer, and display device including same (2020-12-08),
11. 10745521 - Polyimide film, composition for preparing polyimide film, and display device including polyimide film (2020-08-18),
12. 10738173 - Poly(amide-imide) copolymer film, window for display device, and display device (2020-08-11),
13. 10738164 - Poly(amide-imide) copolymer, method of manufacturing the same, poly(amide-imide) copolymer film, window for display device, and display device (2020-08-11),
14. 10689513 - Composition for preparing article including polyimide or poly(imide-amide) copolymer, article including polyimide or poly(imide-amide) copolymer, and electronic device including the article (2020-06-23),
15. 10100153 - Poly(imide-amide) copolymer, article containing poly(imide-amide) copolymer, and electronic device including same (2018-10-16),

Title: Kyeong-Sik Ju: Innovator in Poly(Amide-Imide) Technology

Introduction

Kyeong-Sik Ju, based in Suwon-si, South Korea, is a prominent inventor with a remarkable portfolio of 19 patents. His contributions primarily focus on poly(amide-imide) copolymers, which are crucial for various advanced applications, particularly in display technologies.

Latest Patents

Kyeong-Sik Ju's latest patents reflect his expertise in the field. Notable inventions include a poly(amide-imide) copolymer and a method of manufacturing this innovative material. He has also developed a poly(amide-imide) copolymer film specifically designed for window displays in devices. This copolymer features an amide structural unit bonded within its main polymer chain as well as an imide structural unit. A distinct aspect of his innovation is that at least one of the imide structural units is cross-linked to an adjacent polymer main chain via an amide bond. Additionally, he has worked on a composition for preparing the copolymer and showcased its use in various articles, enhancing the utility of display devices.

Career Highlights

Kyeong-Sik Ju has had a commendable career, significantly contributing to the advancements in materials science. He has worked at renowned companies like Samsung Electronics Co., Ltd. and Samsung SDI Co., Inc., where his research and development efforts have helped in transforming concepts into tangible innovations.

Collaborations

Throughout his career, Kyeong-Sik Ju has collaborated with talented individuals, including Chanjae Ahn and Sang Soo Jee. These partnerships have enabled him to leverage multiple perspectives and expertise, further enriching his contributions to the field of materials science.

Conclusion

Kyeong-Sik Ju stands out as a leading inventor in the realm of poly(amide-imide) technology, with numerous patents that demonstrate his innovative spirit. His work is instrumental in shaping the future of display devices, and his legacy continues to inspire upcoming inventors and researchers in the industry.

Profile summary based on public USPTO records.
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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