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For the Inventor, By the Inventor

Gunpo, South Korea

Dong Rack Choi

This inventor holds 4 USPTO granted patents. Top assignee: Dongwha Pharm. Ind. Co., Ltd.. Active years: 1999-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dong Rack Choi. Retrieved from https://idiyas.com/inventor/dong-rack-choi-jzg2s6oo

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

Calculating rank
USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 11.5

ph-index = 3

Forward Citations = 32(Granted Patents)


Location History:

  • Kyunggi-do, KR (1999 - 2003)
  • Koonpo-si, KR (2004)

Company Filing History:

goldMedal4 out of 13 
 
Dongwha Pharm. Ind. Co., Ltd.
 patents

Years Active: 1999-2004

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4 patents (USPTO):Explore Patents
1. 6753430 - Optically active quinoline carboxylic acid derivatives with 7-pyrrolidine substituents causing optical activity and a process for the preparation thereof (2004-06-22),
2. 6649763 - Optically active quinoline carboxylic acid derivatives with 7-pyrrolidine substituents causing optical activity and a process for the preparation thereof (2003-11-18),
3. 5932742 - Arylsulfonylimidazolone derivatives as an antitumor agent (1999-08-03),
4. 5929103 - Arylsulfonylimidazolone derivatives as an antitumor agent (1999-07-27),

Title: Innovations of Dong Rack Choi in Antibacterial Agents

Introduction

Dong Rack Choi is a notable inventor based in Koonpo-si, South Korea. He has made significant contributions to the field of pharmaceuticals, particularly in the development of optically active compounds. With a total of four patents to his name, Choi's work focuses on enhancing antibacterial agents through innovative chemical derivatives.

Latest Patents

Choi's latest patents include optically active quinoline carboxylic acid derivatives with 7-pyrrolidine substituents that exhibit optical activity. These inventions relate to the preparation of these derivatives, which are characterized by their superior antibacterial activity and pharmacokinetic profiles compared to their enantiomers and conventional antibacterial agents. Notably, these compounds demonstrate nearly no phototoxicity, making them valuable for medical applications.

Career Highlights

Choi is currently associated with Dongwha Pharm. Ind. Co., Ltd., where he continues to advance his research in pharmaceutical innovations. His work has garnered attention for its potential to improve treatment options in the medical field.

Collaborations

Choi collaborates with esteemed colleagues such as Sung June Yoon and Yong Ho Chung, contributing to a dynamic research environment that fosters innovation.

Conclusion

Dong Rack Choi's contributions to the field of antibacterial agents through his innovative patents highlight his role as a significant inventor in the pharmaceutical industry. His work not only advances scientific knowledge but also has the potential to improve healthcare outcomes.

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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