Ki Hyun Yoo

This inventor holds 7 USPTO granted patents and 6 published patent applications and 5 EPO patents. Top assignees: Lg Chem, Ltd, Hanmin Automotive Trim Industries, Hyundai Motor Company. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ki Hyun Yoo. Retrieved from https://idiyas.com/inventor/ki-hyun-yoo-hh97a4iw

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

Calculating rank

USPTO Granted Patents = 7 (Patent Applications = 6)

% Patents Active = 100.0

EPO Patents = 5 (Patent Applications = 17)

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)

Location History:

Seoul, KR (2013 - 2019)
Daejeon, KR (2021 - 2023)

Company Filing History:

Hanmin Automotive Trim Industries

patent

1 out of 20,462

Hyundai Motor Company

patents

4. 1 out of 8,094

Kia Motors Corporation

patents

5. 1 out of 1

Samsung Gratech. Co., Ltd.

patent

where one patent can have more than one assignee

Years Active: 2013-2025

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12454592 - Graft copolymer, method for preparing the same, and resin composition including the same (2025-10-28),

2. 12351665 - Graft copolymer, method for preparing the same, and resin composition including the same (2025-07-08),

3. 11820730 - Core-shell copolymer, method for preparing the same and thermoplastic resin composition containing the same (2023-11-21),

4. 11746173 - Core-shell copolymer and resin composition containing same (2023-09-05),

5. 10889660 - Emulsifying initiator, core-shell copolymer, and thermoplastic resin composition comprising same (2021-01-12),

6. 10399514 - Low-melting adhesive film (2019-09-03),

7. 8513355 - Graft copolymer improving adhesion resistance and impact strength, method of preparing the same, and PVC composition comprising the same (2013-08-20),

Title: Ki Hyun Yoo: Innovator in Graft Copolymers

Introduction

Ki Hyun Yoo is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of materials science, particularly in the development of graft copolymers. With a total of 7 patents to his name, Yoo's work has advanced the understanding and application of polymer chemistry.

Latest Patents

Yoo's latest patents focus on the creation of graft copolymers and methods for their preparation. One notable patent describes a graft copolymer that includes a rubbery polymer composed of a conjugated diene-based monomer unit and a soft domain. This soft domain is formed by incorporating a mineral-based oil, which consists of 70 wt % to 100 wt % mineral oil and 0 wt % to 30 wt % silicone-based oil. The patent also details the inclusion of an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and an alkali metal sulfonate-based monomer unit. Another patent elaborates on the preparation method for this graft copolymer and its resin composition.

Career Highlights

Throughout his career, Ki Hyun Yoo has worked with notable companies such as LG Chem, Ltd and Hyundai Motor Company. His experience in these leading organizations has allowed him to refine his expertise in polymer science and contribute to innovative projects.

Collaborations

Yoo has collaborated with several talented individuals in his field, including Yoon Ho Kim and Kwang Jin Lee. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Ki Hyun Yoo is a distinguished inventor whose work in graft copolymers has made a lasting impact on materials science. His patents and collaborations reflect his commitment to advancing technology in this field.

Profile summary based on public USPTO records.