Inventor

OKANUMA MASAKO

JP2 patents

Patents

2 patents

US6518390B2Feb 11, 2003

Precursor of a heat resistant resin, heat resistant resin, insulating film and semiconductor device

SUMITOMO BAKELITE CO18 citations87

US6949674B2Sep 27, 2005

Aromatic carboxylic acids, acid halides thereof and processes for preparing both

SUMITOMO BAKELITE CO0 citations48