MO

Masako Okanuma

SC Sumitomo Bakelite Co.: 2 patents #227 of 790Top 30%
Overall (All Time): #2,183,982 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6949674 Aromatic carboxylic acids, acid halides thereof and processes for preparing both Yuichi Ishida, Yoko Hase, Nobuhiro Higashida, Takashi Enoki 2005-09-27
6518390 Precursor of a heat resistant resin, heat resistant resin, insulating film and semiconductor device Tatsuhiro Yoshida, Hidenori Saito, Nobuhiro Higashida, Masanori Fujimoto, Tadahiro Ishikawa 2003-02-11