Inventor · disambiguated record
Norifumi Ito
Also filed as: ITO NORIFUMI
36 granted patents·1 pending application·583 citations·filing 1980–2016
98Inventor score
Files withMITSUI TOATSU CHEMICALS15MIZUNO KK11RICOH KK9FUJI ELECTROCHEMICAL CO LTD1TOYO ENGINEERING CORP1
Top patents by PatentIndex Score
37 records- 0194US5105284ADigital copier operable with external storing mediumRICOH KK·Filed 1989·Granted Apr 14, 1992·51 cites·5 claims
- 0291US5016114ADigital copier apparatus with external laser card storage medium and image compression variable with available memoryRICOH KK·Filed 1987·Granted May 14, 1991·73 cites·18 claims
- 0390US4460278AContinuous bulk polymerization reactorTOYO ENGINEERING CORP·Filed 1982·Granted Jul 17, 1984·67 cites·7 claims
- 0485US5231516AFolding-order image forming apparatusRICOH KK·Filed 1991·Granted Jul 27, 1993·71 cites·18 claims
- 0577US4623827ADevice for controlling motor rotation speedRICOH KK·Filed 1986·Granted Nov 18, 1986·40 cites·10 claims
- 0675US4537954AProcess for the preparation of polymer compositions having low volatile contentMITSUI TOATSU CHEMICALS·Filed 1984·Granted Aug 27, 1985·25 cites·9 claims
- 0774US4699976AContinuous process for the treatment of polymer composition to remove unreacted monomer and solventMITSUI TOATSU CHEMICALS·Filed 1986·Granted Oct 13, 1987·24 cites·5 claims
- 0873US5210132AContinuous process for preparing rubber modified high impact resinMITSUI TOATSU CHEMICALS·Filed 1992·Granted May 11, 1993·26 cites·7 claims
- 0973US4808661ARubber dispersed copolymer resinMITSUI TOATSU CHEMICALS·Filed 1986·Granted Feb 28, 1989·21 cites·6 claims
- 1069US5506657AInterleaving digital copier systemRICOH KK·Filed 1994·Granted Apr 9, 1996·28 cites·11 claims
- 1168US4376847AProcess for the production of styrene polymersMITSUI TOATSU CHEMICALS·Filed 1981·Granted Mar 15, 1983·16 cites·10 claims
- 1267US7370368B2Catching tool for baseball or softballMIZUNO KK·Filed 2006·Granted May 13, 2008·2 cites·1 claims
- 1366US7891017B2Ball catching tool for baseball or softballMIZUNO KK·Filed 2006·Granted Feb 22, 2011·7 cites·20 claims
- 1461US4388447AProcess for producing rubber modified styrene resinsMITSUI TOATSU CHEMICALS·Filed 1981·Granted Jun 14, 1983·13 cites·9 claims
- 1558US9636568B2Baseball or softball gloveMIZUNO KK·Filed 2014·Granted May 2, 2017·1 cites·7 claims
- 1657US4587294AContinuous process for producing rubber modified high-impact resinsMITSUI TOATSU CHEMICALS·Filed 1983·Granted May 6, 1986·18 cites·2 claims
- 1753US7574749B2Catching tool and method of designing catching toolMIZUNO KK·Filed 2004·Granted Aug 18, 2009·6 cites·18 claims
- 1853US4758644ABromostyrene compositionMITSUI TOATSU CHEMICALS·Filed 1986·Granted Jul 19, 1988·4 cites·4 claims
- 1951US5191023ABlock-copolymerized-rubber-modified styrene copolymersMITSUI TOATSU CHEMICALS·Filed 1991·Granted Mar 2, 1993·9 cites·31 claims
- 2051US4972024AAnionically-polymerized-rubber-modified styrene copolymersMITSUI TOATSU CHEMICALS·Filed 1988·Granted Nov 20, 1990·9 cites·11 claims
- 2151US4954571ARubber dispersed copolymer resinMITSUI TOATSU CHEMICALS·Filed 1988·Granted Sep 4, 1990·9 cites·17 claims
- 2250USD772490SBaseball gloveMIZUNO KK·Filed 2015·Granted Nov 22, 2016·4 cites·1 claims
- 2345US10926156B2Catching tool for baseballMIZUNO KK·Filed 2016·Granted Feb 23, 2021·0 cites·8 claims
- 2445US5557390ADigital copier systemRICOH KK·Filed 1995·Granted Sep 17, 1996·9 cites·6 claims
- 2545US4789272ATransportation method of synthetic rubber chipsMITSUI TOATSU CHEMICALS·Filed 1987·Granted Dec 6, 1988·9 cites·6 claims
- 2644US5930571AImage forming apparatus and a method for forming an image on plural surfaces at the same timeRICOH KK·Filed 1998·Granted Jul 27, 1999·10 cites·42 claims
- 2744US5440372ADigital copier systemRICOH KK·Filed 1994·Granted Aug 8, 1995·7 cites·2 claims
- 2842US4619959AContinuous production process of styrene-base resinMITSUI TOATSU CHEMICALS·Filed 1985·Granted Oct 28, 1986·5 cites·10 claims
- 2941USD749791SBaseball gloveMIZUNO KK·Filed 2014·Granted Feb 16, 2016·3 cites·1 claims
- 3041US2015352429A1Baseball or softball gloveMIZUNO KK·Filed 2015·Application pending·0 cites
- 3139US5191046ATransparent heat-resistant styrene-base copolymerMITSUI TOATSU CHEMICALS·Filed 1991·Granted Mar 2, 1993·4 cites·11 claims
- 3237USD747558SBaseball gloveMIZUNO KK·Filed 2013·Granted Jan 12, 2016·2 cites·1 claims
- 3336US4609956AMagnetic drum cassette with magnetic drum having voice information recorded thereonFUJI ELECTROCHEMICAL CO LTD·Filed 1983·Granted Sep 2, 1986·3 cites·5 claims
- 3435USD787133SBaseball gloveMIZUNO KK·Filed 2015·Granted May 16, 2017·1 cites·1 claims
- 3534US5062114AOutput beam control device for a semiconductor laserRICOH KK·Filed 1990·Granted Oct 29, 1991·4 cites·3 claims
- 3633US4378452AMethod of manufacturing rubber modified styrene resinsMITSUI TOATSU CHEMICALS·Filed 1980·Granted Mar 29, 1983·2 cites·10 claims
- 3731USD787749SBaseball gloveMIZUNO KK·Filed 2015·Granted May 23, 2017·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →