Inventor
OHTAWA SHIGERU
JP4 patents
Patents
4 patentsUS4904571AFeb 27, 1990
Remover solution for photoresist
TOKYO OHKA KOGYO CO LTD60 citations94
US5344747ASep 6, 1994
Photopolymerizable compositions
TOKYO OHKA KOGYO CO LTD3 citations61
US5147759ASep 15, 1992
Photopolymerizable compositions
TOKYO OHKA KOGYO CO LTD3 citations61
US5922510AJul 13, 1999
Photopolymerizable compositions
TOKYO OHKA KOGYO CO LTD0 citations50