Inventor
JOO HYUN SANG
KR9 patents
⚠️ This page may combine multiple inventors who share the name “JOO HYUN SANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA KUMHO PETROCHEM CO LTD
4 patentsUS9063411B2Jun 23, 2015
Additive for resist and resist composition comprising same
KOREA KUMHO PETROCHEM CO LTD4 citations69
US8980526B2Mar 17, 2015
Hydrophilic photoacid generator and resist composition comprising same
KOREA KUMHO PETROCHEM CO LTD4 citations68
US7285373B2Oct 23, 2007
Polymer and chemically amplified resist composition containing the same
KOREA KUMHO PETROCHEM CO LTD6 citations59
US7326520B2Feb 5, 2008
Copolymer of alicyclic olefin having secondary hydroxyl group and acryl compound, and chemically amplified resist composition containing the same
KOREA KUMHO PETROCHEM CO LTD3 citations58