Inventor
YOKOYAMA MASUZO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA MASUZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI PETROCHEMICAL CO
8 patentsUS5037890AAug 6, 1991
Process for producing graft-modified α-olefin copolymer
MITSUBISHI PETROCHEMICAL CO21 citations81
US4563436AJan 7, 1986
Catalyst component for α-olefin polymerization and method of producing the same
MITSUBISHI PETROCHEMICAL CO23 citations81
US4146502AMar 27, 1979
Process for producing catalyst components for olefin polymerization
MITSUBISHI PETROCHEMICAL CO22 citations76
US5332788AJul 26, 1994
Process for producing graft-modified alpha-olefin copolymer
MITSUBISHI PETROCHEMICAL CO8 citations73
US5391691AFeb 21, 1995
Process for producing aromatic polycarbonate
MITSUBISHI PETROCHEMICAL CO9 citations69
US5137995AAug 11, 1992
Process for preparation of olefin polymers
MITSUBISHI PETROCHEMICAL CO2 citations62
US5250655AOct 5, 1993
Melt preparation of polycarbonate with metal compound and p compound catalysts
MITSUBISHI PETROCHEMICAL CO4 citations58
US4151111AApr 24, 1979
Process for preparing titanium trichloride compositions
MITSUBISHI PETROCHEMICAL CO2 citations55