OH

Osamu Hiroaki

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #3,937,117 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4863829 Positive type high gamma-value photoresist composition with novolak resin possessing Akihiro Furuta, Makoto Hanabata, Seimei Yasui, Naoyoshi Jinno 1989-09-05