KO

Kazunari Ohtsubo

IC Idemitsu Petrochemical Co.: 2 patents #182 of 578Top 35%
Overall (All Time): #2,304,123 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5240986 Polycarbonate resin composition 1993-08-31
5055508 Polycarbonate resin composition 1991-10-08