KN

Katsuhiko Namba

SC Sumitomo Chemical: 2 patents #34 of 272Top 15%
UN Unknown: 1 patents #216 of 2,810Top 8%
📍 Ibaraki, JP: #94 of 742 inventorsTop 15%
Overall (2004): #55,995 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6762007 Chemical amplification type positive resist composition Masumi Suetsugu, Koshiro Ochiai 2004-07-13
6696218 Chemical amplification type positive resist composition Kunihiro Ichimura, Tsugio Okudaira, Masumi Suetsugu, Yasunori Uetani 2004-02-24