DS

Dongchul Seo

KC Korea Kumho Petrochemical Co.: 1 patents #4 of 25Top 20%
Overall (2004): #231,399 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6753126 Polymer for chemically amplified resist and chemically amplified resist composition containing the same Joohyeon Park, Jongbum Lee, Hyunpyo Jeon, Seongju Kim 2004-06-22