This inventor holds 1 USPTO granted patent, plus 3 CIPO patents. Top assignees: Hyundai Motor Company, Kia Corporation, Kyung Chang Industrial Co., Ltd.. Active years: 2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2025
Title: In Sung Lee: Innovator in Natural L-Cysteine Crystallization
Introduction
In Sung Lee is a notable inventor based in South Korea, recognized for his contributions to the field of biochemistry. His work primarily focuses on the development of methods for preparing natural L-cysteine crystals, which have significant applications in various industries.
Latest Patents
In Sung Lee has developed two significant patents. The first is titled "Method For Preparing Natural L-Cysteine Crystals By Continuous Chromatography." This patent discloses a method for preparing L-cysteine crystals from a natural fermentation broth, achieving a high recovery rate and purity without the need for chemical reactions or artificial synthetic compounds. The second patent, "Method For Preparing Natural L-Cysteine Hydrochloride Hydrate Crystals By Continuous Chromatography," outlines a similar approach for obtaining L-cysteine hydrochloride hydrate crystals, also emphasizing the high recovery rate and purity from natural sources.
Career Highlights
Throughout his career, In Sung Lee has focused on innovative methods that enhance the efficiency and sustainability of biochemical processes. His work has contributed to advancements in the production of essential amino acids, which are crucial for various applications in health and nutrition.
Collaborations
In his research endeavors, In Sung Lee has collaborated with Jun-Woo Kim, a fellow researcher who shares a commitment to advancing biotechnological methods. Their partnership has led to significant developments in the field of natural product extraction.
Conclusion
In Sung Lee's innovative approaches to L-cysteine crystallization highlight his dedication to sustainable biochemistry. His patents reflect a commitment to improving recovery rates and purity in natural product processing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile