Inventor
USHIDA YOSHIHISA
11 patents
Patents
11 patentsUS4442276AApr 10, 1984
Process for polymerizing or copolymerizing olefins
MITSUI PETROCHEMICAL IND152 citations98
US4315874AFeb 16, 1982
Process for the production of spherical carrier particles for olefin polymerization catalysts
MITSUI PETROCHEMICAL IND135 citations94
US5500142AMar 19, 1996
Piezoelectric ceramics
MITSUI PETROCHEMICAL IND26 citations91
US5583188ADec 10, 1996
Process for producing an olefin polymer or copolymer and catalyst composition therefor
MITSUI PETROCHEMICAL IND14 citations74
US4404341ASep 13, 1983
Process for producing olefin polymers or copolymers and catalyst therefor
MITSUI PETROCHEMICAL IND8 citations74
US5614044AMar 25, 1997
Method of manufacturing a laminated ceramic device
MITSUI PETROCHEMICAL IND17 citations72
US4948767AAug 14, 1990
Ferroelectric ceramic material
MITSUI PETROCHEMICAL IND19 citations71
US4940681AJul 10, 1990
Ferroelectric ceramic material
MITSUI PETROCHEMICAL IND9 citations71
US4830996AMay 16, 1989
Ferroelectric ceramics
MITSUI PETROCHEMICAL IND7 citations71
US4221894ASep 9, 1980
Process for polymerizing α-olefins containing at least 3 carbon atoms and catalyst therefor
MITSUI PETROCHEMICAL IND5 citations62
US5079197AJan 7, 1992
Ferroelectric ceramics
MITSUI PETROCHEMICAL IND6 citations61