Inventor · disambiguated record
Masahiro Kouno
Also filed as: KOUNO MASAHIRO
21 granted patents·1 pending application·243 citations·filing 1980–2006
95Inventor score
Files withMITSUI TOATSU CHEMICALS12NISCA CORP4MITSUI CHEMICALS INC3KURARAY CO1NEW TECHNOLOGY MAN CO LTD1
Top patents by PatentIndex Score
22 records- 0190US5439994AMethod of polymerizing an olefin using a novel transition metal compoundMITSUI TOATSU CHEMICALS·Filed 1994·Granted Aug 8, 1995·38 cites·6 claims
- 0281US5990352APhosphazenium 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
- 0376US5652315AMethod for preparing ethylene copolymerMITSUI TOATSU CHEMICALS·Filed 1996·Granted Jul 29, 1997·32 cites·13 claims
- 0474US5952457APolymerization 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
- 0574US5359102ATransition 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
- 0670US4736008APreparation 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
- 0767US7232608B2Conductive material and manufacturing method thereofNEW TECHNOLOGY MAN CO LTD·Filed 2005·Granted Jun 19, 2007·5 cites·12 claims
- 0863US4282114ACatalyst for polymerizing α-olefinsMITSUI TOATSU CHEMICALS·Filed 1980·Granted Aug 4, 1981·13 cites·4 claims
- 0962US6936684B2Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compoundMITSUI TOATSU CHEMICALS·Filed 2003·Granted Aug 30, 2005·2 cites·5 claims
- 1059US5658999ASyndiotactic 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
- 1153US4758649AHeat resistant organic synthetic fibers and process for producing the sameKURARAY CO·Filed 1987·Granted Jul 19, 1988·9 cites·8 claims
- 1252US5673906ASheet post-treating apparatusNISCA CORP·Filed 1995·Granted Oct 7, 1997·10 cites·19 claims
- 1352US4785069APreparation 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
- 1450US5677409ASyndiotactic 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
- 1543US5634632ASheet post-treating apparatusNISCA CORP·Filed 1995·Granted Jun 3, 1997·10 cites·31 claims
- 1641US4795795ACatalytic 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
- 1738US6022945AProcess for production of propylene oxide/ethylene oxide block copolymersMITSUI CHEMICALS INC·Filed 1999·Granted Feb 8, 2000·4 cites·1 claims
- 1838US5580038ASheet post-treating apparatusNISCA CORP·Filed 1995·Granted Dec 3, 1996·5 cites·17 claims
- 1934US6664365B2Process for producing poly(alkylene oxide) in the presence of a phosphazenium salt or compoundFiled 1999·Granted Dec 16, 2003·0 cites·17 claims
- 2034US2007052575A1Near-field electromagnetic wave absorberNISCA CORP·Filed 2006·Application pending·0 cites
- 2131US4921933AAromatic polyamide molded article having storage modulusMITSUI TOATSU CHEMICALS·Filed 1988·Granted May 1, 1990·2 cites·7 claims
- 2226US5428121AMethod for preparing syndiotactic polypropyleneMITSUI TOATSU CHEMICALS·Filed 1994·Granted Jun 27, 1995·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →