DS

Dong-Chul Seo

KC Korea Kumho Petrochemical Co.: 2 patents #1 of 37Top 3%
Overall (2002): #67,384 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6369143 Polymer for radiation-sensitive resist and resist composition containing the same Joo-Hyeon Park, Seong Ju Kim, Sun-Yi Park 2002-04-09
6358666 Chemically amplified resist composition containing norbornane type low molecular additive Sun-Yi Park, Joo-Hyeon Park, Seong Ju Kim 2002-03-19