Inventor · disambiguated record
Kazumi Mizutani
Also filed as: MIZUTANI KAZUMI
26 granted patents·4 pending applications·283 citations·filing 1982–2011
96Inventor score
Top patents by PatentIndex Score
30 records- 0192US7393907B2Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereofMITSUI CHEMICALS INC·Filed 2003·Granted Jul 1, 2008·33 cites·8 claims
- 0290US5439994AMethod of polymerizing an olefin using a novel transition metal compoundMITSUI TOATSU CHEMICALS·Filed 1994·Granted Aug 8, 1995·38 cites·6 claims
- 0388US7714087B2Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereofMITSUI CHEMICALS INC·Filed 2008·Granted May 11, 2010·8 cites·5 claims
- 0481US5990352APhosphazenium salt and preparation process thereof, and process for producing poly(alkylene oxide)MITSUI CHEMICALS INC·Filed 1997·Granted Nov 23, 1999·21 cites·11 claims
- 0580US6469224B1Process for preparation of substituted aromatic compoundMITSUI CHEMICALS INC·Filed 2001·Granted Oct 22, 2002·11 cites·17 claims
- 0674US5952457APolymerization catalyst for alkylene oxide compound and production process of poly(alkylene oxide)MITSUI CHEMICALS INC·Filed 1996·Granted Sep 14, 1999·24 cites·2 claims
- 0774US5359102ATransition metal compound having two transition metal atoms in one molecule and method for polymerizing olefin by using the compoundMITSUI TOATSU CHEMICALS·Filed 1992·Granted Oct 25, 1994·21 cites·5 claims
- 0870US4736008APreparation process of heat-resistant polymers from polycarboxcylic acids and anhydrides in the presence of an alkali metal fluorideMITSUI TOATSU CHEMICALS·Filed 1986·Granted Apr 5, 1988·14 cites·5 claims
- 0966US4395531AProcess for the preparation of polyamide compounds by the reaction of polycarboxylic acids with diisocyanates in the presence of at least one mono-alkali metal salt of dicarboxylic acidMITSUI TOATSU CHEMICALS·Filed 1982·Granted Jul 26, 1983·19 cites·13 claims
- 1064US6255537B1Process for preparing poly(alkylene oxide)MITSUI CHEMICALS INC·Filed 1999·Granted Jul 3, 2001·17 cites·36 claims
- 1164US6153794APhosphine sulfide, a manufacturing process therefor and use thereofMITSUI CHEMICALS INC·Filed 1999·Granted Nov 28, 2000·9 cites·20 claims
- 1262US6936684B2Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compoundMITSUI TOATSU CHEMICALS·Filed 2003·Granted Aug 30, 2005·2 cites·5 claims
- 1361US6528599B1Method for preparing living polymer in the presence of phosphazenium saltMITSUI CHEMICALS INC·Filed 2000·Granted Mar 4, 2003·5 cites·24 claims
- 1459US5658999ASyndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the waxMITSUI TOATSU CHEMICALS·Filed 1995·Granted Aug 19, 1997·13 cites·14 claims
- 1559US5219968APropylene copolymerMITSUI TOATSU CHEMICALS·Filed 1991·Granted Jun 15, 1993·13 cites·10 claims
- 1656US6762259B2Process for the production of living (co)polymers and use of the (co)polymersMITSUI CHEMICALS INC·Filed 2001·Granted Jul 13, 2004·3 cites·17 claims
- 1752US4785069APreparation process of heat-resistant polymers from polycarboxylic acids or anhydrides in the presence of an alkali metal fluoride and quaternary onium saltMITSUI TOATSU CHEMICALS·Filed 1987·Granted Nov 15, 1988·7 cites·9 claims
- 1850US5677409ASyndiotactic polypropylene wax, production process thereof, and heating roll fixing-type toner composition making use of the waxMITSUI TOATSU CHEMICALS·Filed 1995·Granted Oct 14, 1997·8 cites·4 claims
- 1949US6090980APreparation process of iminotris ( Dimethylamino) phosphoraneMITSUI CHEMICALS INC·Filed 1998·Granted Jul 18, 2000·4 cites·19 claims
- 2047US2008318767A1Novel Phosphazene-Supported Catalyst, Novel Compound Thereof and Use ThereofMITSUI CHEMICALS INC·Filed 2005·Application pending·0 cites
- 2145US2011288240A1Novel phosphazene-supported catalyst, novel compound thereof and use thereofYOSHIMURA NARITOSHI·Filed 2011·Application pending·0 cites
- 2244US6444847B2Process for preparing phosphine oxides and process for purifying the sameMITSUI CHEMICALS INC·Filed 2001·Granted Sep 3, 2002·0 cites·16 claims
- 2343US6303815B1Process for preparing phosphine oxides and process for purifying the sameMITSUI CHEMICALS INC·Filed 2000·Granted Oct 16, 2001·0 cites·12 claims
- 2443US6177593B1[Tris(dimethylamino)phosphonioamino]tris[tris(dimethylamino)phosphoranylideneamino]phosphonium dichloride and preparation process thereofMITSUI CHEMICALS INC·Filed 1998·Granted Jan 23, 2001·2 cites·22 claims
- 2542US2002156207A1Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereofFiled 2001·Application pending·0 cites
- 2641US4795795ACatalytic preparation of polyamide or polyamide-polymide with N,N'-dimethyl alkylene urea solventMITSUI TOATSU CHEMICALS·Filed 1986·Granted Jan 3, 1989·5 cites·21 claims
- 2738US6022945AProcess for production of propylene oxide/ethylene oxide block copolymersMITSUI CHEMICALS INC·Filed 1999·Granted Feb 8, 2000·4 cites·1 claims
- 2838US2004256743A1Method for producing organic compound by substituting halogen atomsMITSUI CHEMICALS INC·Filed 2004·Application pending·0 cites
- 2934US6664365B2Process for producing poly(alkylene oxide) in the presence of a phosphazenium salt or compoundFiled 1999·Granted Dec 16, 2003·0 cites·17 claims
- 3031US4921933AAromatic polyamide molded article having storage modulusMITSUI TOATSU CHEMICALS·Filed 1988·Granted May 1, 1990·2 cites·7 claims
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