CL

Chang Hwang Lee

HY Hyosung: 1 patents #62 of 157Top 40%
TC Tong Yang Nylon Co.: 1 patents #2 of 24Top 9%
📍 Seoul, KR: #18,030 of 39,741 inventorsTop 50%
Overall (All Time): #2,227,553 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6245907 Process for producing a high purity caprolactam Myung Suk Suh, Seung Park, Myeong Hong Lee, Si-Geun Lee, Jung Ho Kim 2001-06-12
5442037 Polyester prepolymer showing shape-memory effect Jae-Yeon Hwang, Byeong-Seok Chae 1995-08-15