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Inventor

KOUNO MASAHIRO

JP23 patents
⚠️ This page may combine multiple inventors who share the name “KOUNO MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI TOATSU CHEMICALS

12 patents
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
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
US4785069ANov 15, 1988

Preparation process of heat-resistant polymers from polycarboxylic acids or anhydrides in the presence of an alkali metal fluoride and quaternary onium salt

MITSUI TOATSU CHEMICALS7 citations73
US4736008AApr 5, 1988

Preparation process of heat-resistant polymers from polycarboxcylic acids and anhydrides in the presence of an alkali metal fluoride

MITSUI TOATSU CHEMICALS14 citations73
US4282114AAug 4, 1981

Catalyst for polymerizing α-olefins

MITSUI TOATSU CHEMICALS13 citations72
US6936684B2Aug 30, 2005

Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound

MITSUI TOATSU CHEMICALS2 citations63
US4795795AJan 3, 1989

Catalytic preparation of polyamide or polyamide-polymide with N,N'-dimethyl alkylene urea solvent

MITSUI TOATSU CHEMICALS5 citations61
US4921933AMay 1, 1990

Aromatic polyamide molded article having storage modulus

MITSUI TOATSU CHEMICALS2 citations60
US5428121AJun 27, 1995

Method for preparing syndiotactic polypropylene

MITSUI TOATSU CHEMICALS0 citations38

NISCA CORP

5 patents

MITSUI CHEMICALS INC

3 patents

KURARAY CO

1 patent

NEW TECHNOLOGY MAN CO LTD

1 patent

(unassigned)

1 patent