Inventor
SHIOMURA TETSUNOSUKE
34 patents
⚠️ This page may combine multiple inventors who share the name “SHIOMURA TETSUNOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI TOATSU CHEMICALS
33 patentsUS5548008AAug 20, 1996
Radiation-resistant polypropylene resin composition
MITSUI TOATSU CHEMICALS43 citations96
US5652315AJul 29, 1997
Method for preparing ethylene copolymer
MITSUI TOATSU CHEMICALS32 citations92
US5439994AAug 8, 1995
Method of polymerizing an olefin using a novel transition metal compound
MITSUI TOATSU CHEMICALS38 citations92
US5359102AOct 25, 1994
Transition metal compound having two transition metal atoms in one molecule and method for polymerizing olefin by using the compound
MITSUI TOATSU CHEMICALS21 citations92
US5340848AAug 23, 1994
Radiation-resistant polypropylene resin composition
MITSUI TOATSU CHEMICALS35 citations92
US5278216AJan 11, 1994
Syndiotactic polypropylene resin composition
MITSUI TOATSU CHEMICALS37 citations92
US5232992AAug 3, 1993
Molded articles of syndiotactic polypropylene and method for preparing same
MITSUI TOATSU CHEMICALS22 citations92
US5187250AFeb 16, 1993
Poly-α-olefins
MITSUI TOATSU CHEMICALS48 citations91
US4126743ANov 21, 1978
Method for continuous transfer of polymer slurries
MITSUI TOATSU CHEMICALS60 citations90
US5548007AAug 20, 1996
Radiation-resistant polypropylene resin composition
MITSUI TOATSU CHEMICALS18 citations82
US5478646ADec 26, 1995
Polypropylene fiber and a preparation process thereof
MITSUI TOATSU CHEMICALS17 citations81
US5212247AMay 18, 1993
Polypropylene resin compositions of high syndiotacticity and preparation process thereof
MITSUI TOATSU CHEMICALS19 citations81
US4028481AJun 7, 1977
Production of olefin polymers and novel catalysts therefore
MITSUI TOATSU CHEMICALS27 citations81
US4581426AApr 8, 1986
Process for polymerization of α-olefins and catalysts therefor
MITSUI TOATSU CHEMICALS12 citations74
US4220745ASep 2, 1980
Process for polymerization of α-olefins
MITSUI TOATSU CHEMICALS14 citations74
US4128607ADec 5, 1978
Method for the production of low density polyethylene
MITSUI TOATSU CHEMICALS28 citations74
US5677409AOct 14, 1997
Syndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the wax
MITSUI TOATSU CHEMICALS8 citations73
US5658999AAug 19, 1997
Syndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the wax
MITSUI TOATSU CHEMICALS13 citations73
US5624621AApr 29, 1997
Process of making polyprophylene fibers
MITSUI TOATSU CHEMICALS6 citations73
US5428127AJun 27, 1995
Preparation process of syndiotactic polyproplene
MITSUI TOATSU CHEMICALS9 citations73
US5314956AMay 24, 1994
Polypropylene resin compositions of high syndiotacticity and preparation process thereof
MITSUI TOATSU CHEMICALS11 citations73
US5169924ADec 8, 1992
Copolymer of propylene and butene-1
MITSUI TOATSU CHEMICALS8 citations73
US4751265AJun 14, 1988
Production of propylene block copolymer
MITSUI TOATSU CHEMICALS11 citations73
US4468257AAug 28, 1984
Washing and removal method of high molecular substances
MITSUI TOATSU CHEMICALS11 citations73
US5266641ANov 30, 1993
Butene-1 copolymers and resin compositions containing the same
MITSUI TOATSU CHEMICALS14 citations72
US5219968AJun 15, 1993
Propylene copolymer
MITSUI TOATSU CHEMICALS13 citations71
US4184036AJan 15, 1980
Method for recovering atactic polypropylene
MITSUI TOATSU CHEMICALS9 citations69
US4865795ASep 12, 1989
Process for producing thermosetting resins
MITSUI TOATSU CHEMICALS3 citations63
US5206324AApr 27, 1993
Butene-1 copolymer and resin composition containing the same
MITSUI TOATSU CHEMICALS2 citations61
US5157092AOct 20, 1992
Polymer of 4-methylpentene-1
MITSUI TOATSU CHEMICALS5 citations60
US4937339AJun 26, 1990
Process for preparing isocyanurate ring-containing materials
MITSUI TOATSU CHEMICALS4 citations60
US4409378AOct 11, 1983
Process for polymerization of α-olefins and catalysts therefor
MITSUI TOATSU CHEMICALS1 citations52
US5428121AJun 27, 1995
Method for preparing syndiotactic polypropylene
MITSUI TOATSU CHEMICALS0 citations38