Yeo-Wook Koh

Title: Yeo-Wook Koh: Innovator in Biopharmaceuticals

Introduction

Yeo-Wook Koh is a prominent inventor based in Yongin-si, South Korea. He has made significant contributions to the field of biopharmaceuticals, particularly in the purification of erythropoietin analogs and the development of expression vectors for animal cells. His innovative work has led to the filing of multiple patents, showcasing his expertise and dedication to advancing medical science.

Latest Patents

Yeo-Wook Koh holds 2 patents that reflect his innovative approach to biopharmaceutical development. One of his latest patents is titled "Methods for purifying erythropoietin analogs having lower isoelectric point." This invention relates to a method for purifying an erythropoietin analog with a low isoelectric point below 4 by adding a high-purity N-linked sugar chain. The method allows for effective purification of the erythropoietin analog, which has more sialic acid residues, through a three-step chromatographic process that is both time-efficient and cost-effective.

Another significant patent is "Expression vector for animal cells including CSP-B 5'-SAR factor and method for producing recombinant proteins using same." This invention involves an expression vector for animal cells that includes CSP-B 5'-SAR, a promoter operable in animal cells, and a polyadenylation sequence. The vector overcomes gene expression inhibition based on the position of a foreign gene, significantly improving the expression rate of target proteins. This technology is particularly useful for the industrial mass production of drugs and antibodies.

Career Highlights

Yeo-Wook Koh is currently associated with Chong Kun Dang Pharmaceutical Corporation, where he continues to innovate in the field of pharmaceuticals. His work has not only advanced the understanding of protein purification but has also contributed to the development of effective therapeutic solutions.

Collaborations

Yeo-Wook Koh collaborates with talented professionals in his field, including Sang-Yong Lee and Su-Yon Kim. These collaborations enhance the research and development efforts at Chong Kun Dang Pharmaceutical Corporation, fostering an environment of innovation and excellence.

Conclusion

Yeo-Wook Koh's contributions to biopharmaceuticals through his patents and work at Chong Kun Dang Pharmaceutical Corporation highlight his role as a key innovator in the industry. His inventions are paving the way for advancements