Tokyo, Japan

Sung Keum Choi

This inventor holds 1 USPTO granted patent and 2 published patent applications and 2 EPO patents. Top assignee: Hodogaya Chemical Co., Ltd.. Active years: 2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sung Keum Choi. Retrieved from https://idiyas.com/inventor/sung-keum-choi

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

 

Average Co-Inventor Count = 7.0

ph-index = 1


Company Filing History:


Years Active: 2020

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1 patent (USPTO):Explore Patents

Title: Innovations of Sung Keum Choi in Organic Electroluminescent Devices

Introduction

Sung Keum Choi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of organic electroluminescent devices. His innovative work has led to the development of novel compounds that enhance the performance of these devices.

Latest Patents

Sung Keum Choi holds a patent for a pyrimidine derivative, which is represented by a specific general formula. This invention features several advantageous properties, including good electron injection capability, high electron mobility, excellent hole blocking characteristics, good stability in thin film form, and remarkable heat resistance. These attributes make his pyrimidine derivatives valuable in the advancement of organic electroluminescent technology.

Career Highlights

Choi is associated with Hodogaya Chemical Co., Ltd., where he continues to work on innovative solutions in the field of chemistry and materials science. His expertise and dedication have positioned him as a key figure in the development of advanced materials for electronic applications.

Collaborations

Sung Keum Choi collaborates with talented coworkers, including Norimasa Yokoyama and Shuichi Hayashi. Their combined efforts contribute to the ongoing research and development initiatives at Hodogaya Chemical Co., Ltd.

Conclusion

Sung Keum Choi's contributions to the field of organic electroluminescent devices through his innovative pyrimidine derivatives highlight his role as a leading inventor in this area. His work continues to influence advancements in electronic materials and devices.

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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