YC

Yong-Rack Choi

CP Chong Kun Dang Pharmaceutical: 1 patents #60 of 181Top 35%
📍 Seoul, KR: #18,030 of 39,741 inventorsTop 50%
Overall (All Time): #2,148,754 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7405267 Method for purifying teicoplanin A2 Tae-Won Kang, Byoung-Taek Choi, Gang Sun Choi, Sung-Ho Hwang 2008-07-29
6649755 Process for preparing acarbose with high purity Chung Il Hong, Kyung Hwan Kim, Byoung Taik Choi, Gang Sun Choi 2003-11-18