SY

Sigenori Yamaoka

SC Sumitomo Bakelite Co.: 2 patents #227 of 790Top 30%
Overall (All Time): #2,363,535 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4401499 Crosslinked resin of epoxy compound and isocyanate and process for producing same Shoroku Kaneko, Masuo Mizuno, Yukihiro Okabe 1983-08-30
4353954 Flexible printed circuit base board and method for producing the same Akinobu Kusuhara, Toshinaga Endo 1982-10-12