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For the Inventor, By the Inventor

Seongnam, South Korea

Kwang Hyeg Lee

This inventor holds 7 USPTO granted patents. Top assignee: Cj Corporation. Active years: 2004-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kwang Hyeg Lee. Retrieved from https://idiyas.com/inventor/kwang-hyeg-lee

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

USPTO Granted Patents = 7

Average Co-Inventor Count = 10.1

ph-index = 5

Forward Citations = 62(Granted Patents)


Location History:

  • Seongnam-si, KR (2004 - 2005)
  • Sungnam, KR (2007)
  • Seongnam, KR (2006 - 2008)

Company Filing History:

goldMedal7 out of 53 
 
Cj Corporation
 patents

Years Active: 2004-2008

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7 patents (USPTO):Explore Patents
1. 7329780 - Method of preparing optically pure phenethylamine derivatives (2008-02-12),
2. 7288652 - Method for preparing oltipraz (2007-10-30),
3. 7015238 - Crystalline organic acid salt of amlodipine (2006-03-21),
4. 6903124 - Organic acid salt of amlodipine (2005-06-07),
5. 6890944 - Organic acid salt of amlodipine (2005-05-10),
6. 6846931 - Organic acid salt of amlodipine (2005-01-25),
7. 6756390 - Organic acid salt of amlodipine (2004-06-29),

Title: Kwang Hyeg Lee: Innovator in Chemical Synthesis

Introduction

Kwang Hyeg Lee is a prominent inventor based in Seongnam, South Korea. He has made significant contributions to the field of chemical synthesis, holding a total of seven patents. His work focuses on developing methods for preparing optically pure compounds, which have important applications in pharmaceuticals.

Latest Patents

One of his latest patents is a method of preparing optically pure phenethylamine derivatives. This method involves reacting (R)-2-(4-methoxy-3-aminosulfonyl-phenyl)-1-methylethylamine or its salts with various halogenated acetic acids in the presence of a base or an acylating agent. Another notable patent is for a method of preparing oltipraz, which includes reacting methyl 2-methyl-3-(pyrazin-2-yl)-3-oxopropionate with phosphorus pentasulfide in a mixed solvent of toluene and xylene, followed by recrystallization.

Career Highlights

Kwang Hyeg Lee is associated with CJ Corporation, where he continues to innovate in the field of chemical synthesis. His work has not only advanced the understanding of chemical processes but has also contributed to the development of new pharmaceutical compounds.

Collaborations

He collaborates with notable colleagues such as Dong Kwon Lim and Seong Hwan Cho, further enhancing the research and development efforts at CJ Corporation.

Conclusion

Kwang Hyeg Lee's contributions to chemical synthesis through his innovative patents demonstrate his expertise and commitment to advancing the field. His work continues to have a significant impact on the pharmaceutical 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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