PH

Park Joo Hyeon

KC Korea Kumho Petrochemical Co.: 1 patents #168 of 342Top 50%
📍 Jicheon-myeon, KR: #366 of 688 inventorsTop 55%
Overall (All Time): #3,615,386 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6063542 Polymer for positive photoresist and chemical amplification positive photoresist composition comprising the same Kim Ji Hong, Kim Ki Dae, Park Sun Yi, Kim Seong Ju 2000-05-16