Inventor · disambiguated record
Masayoshi Kato
Also filed as: KATO MASAYOSHI · MURAKAMI TAKUZI
61 granted patents·3 pending applications·1,447 citations·filing 1975–2017
99Inventor score
Files withCANON KK34MATSUSHITA ELECTRONICS CORP14RICOH KK4HAMAMATSU PHOTONICS KK2MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2
Top patents by PatentIndex Score
64 records- 0198US7833685B2Coloring compound and yellow toner containing the coloring compoundCANON KK·Filed 2008·Granted Nov 16, 2010·60 cites·6 claims
- 0298US7833687B2Aqueous dispersion of fine resin particles, method for producing aqueous dispersion of fine resin particles, and method for producing toner particlesCANON KK·Filed 2009·Granted Nov 16, 2010·62 cites·7 claims
- 0397US7264910B2Cyan toner and method of producing cyan tonerCANON KK·Filed 2006·Granted Sep 4, 2007·35 cites·5 claims
- 0496US10151990B2TonerCANON KK·Filed 2017·Granted Dec 11, 2018·16 cites·4 claims
- 0596US8211606B2Coloring compound, yellow toner, sheet for heat-sensitive transfer recording, and inkMURAI YASUAKI·Filed 2008·Granted Jul 3, 2012·41 cites·7 claims
- 0696US7288357B2Cyan toner and method of producing cyan tonerCANON KK·Filed 2006·Granted Oct 30, 2007·31 cites·4 claims
- 0795US8697327B2Toner production process and tonerSHIBATA TAKAHO·Filed 2010·Granted Apr 15, 2014·53 cites·9 claims
- 0894US5016823AAir current classifier, process for preparing toner, and apparatus for preparing tonerCANON KK·Filed 1989·Granted May 21, 1991·48 cites·24 claims
- 0991US5555333AOptical module and a fabrication process thereofRICOH KK·Filed 1994·Granted Sep 10, 1996·82 cites·17 claims
- 1091US5489498AToner for developing electrostatic image and method of manufacturing resin compositionCANON KK·Filed 1994·Granted Feb 6, 1996·36 cites·5 claims
- 1191US4178017ASafety bag inflation apparatus with extendible guard member against contact of bag with heated gas generatorNISSAN MOTOR·Filed 1977·Granted Dec 11, 1979·80 cites·8 claims
- 1290US9442418B2Developing device, process cartridge and image forming apparatusCANON KK·Filed 2015·Granted Sep 13, 2016·4 cites·57 claims
- 1389US4844349AProcess for producing toner for developing electrostatic images and apparatus thereforCANON KK·Filed 1987·Granted Jul 4, 1989·34 cites·24 claims
- 1488US5424810AMagnetic toner, magnetic developer, apparatus unit, image forming apparatus and facsimile apparatusCANON KK·Filed 1992·Granted Jun 13, 1995·37 cites·132 claims
- 1587USD417296SSelf-ballasted compact fluorescent lampsMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Nov 30, 1999·31 cites·1 claims
- 1687US5111998AProcess for producing toner for developing electrostatic image and apparatus system thereforCANON KK·Filed 1991·Granted May 12, 1992·38 cites·15 claims
- 1786US5853626AOptical module and a fabrication process thereofRICOH KK·Filed 1997·Granted Dec 29, 1998·58 cites·1 claims
- 1886US5215845AImage forming method and image forming apparatusCANON KK·Filed 1991·Granted Jun 1, 1993·36 cites·30 claims
- 1986US4068862ASafety bag inflation apparatus with extendible guard member against contact of bag with heated gas generatorNISSAN MOTOR·Filed 1975·Granted Jan 17, 1978·50 cites·6 claims
- 2085US5338638AToner for developing electrostatic image and process for production thereofCANON KK·Filed 1991·Granted Aug 16, 1994·30 cites·49 claims
- 2185US4930707APneumatic pulverizer and pulverizing methodCANON KK·Filed 1988·Granted Jun 5, 1990·35 cites·27 claims
- 2284US5319424ADeveloper for developing electrostatic image, image forming method, electrophotographic apparatus, apparatus unit, and facsimile apparatusCANON KK·Filed 1993·Granted Jun 7, 1994·25 cites·87 claims
- 2383US5364720AMagnetic developer for developing electrostatic imagesCANON KK·Filed 1993·Granted Nov 15, 1994·28 cites·25 claims
- 2482US5753396AImage forming methodCANON KK·Filed 1995·Granted May 19, 1998·35 cites·24 claims
- 2580US6207339B1Process for producing tonerCANON KK·Filed 1999·Granted Mar 27, 2001·28 cites·23 claims
- 2680USD414282SSelf-ballasted compact fluorescent lampsMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Sep 21, 1999·23 cites·1 claims
- 2779US5759453AOptical module and a fabrication process thereofRICOH KK·Filed 1996·Granted Jun 2, 1998·41 cites·4 claims
- 2878USD415293SSelf-ballasted compact fluorescent lampsMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Oct 12, 1999·21 cites·1 claims
- 2978US5270143ADeveloper for developing electrostatic image, image forming method, electrophotographic apparatus, apparatus unit, and facsimile apparatusCANON KK·Filed 1991·Granted Dec 14, 1993·19 cites·32 claims
- 3077US8210978B2Vehicle drive unitSHIRASAKA HARUKI·Filed 2009·Granted Jul 3, 2012·12 cites·4 claims
- 3177US5165549AGas current classifying separatorCANON KK·Filed 1991·Granted Nov 24, 1992·27 cites·11 claims
- 3276US9188894B2Method for manufacturing core-shell structure fine particles and tonerCANON KK·Filed 2012·Granted Nov 17, 2015·1 cites·7 claims
- 3376US5447815ADeveloper for developing electrostatic image and image forming methodCANON KK·Filed 1993·Granted Sep 5, 1995·20 cites·44 claims
- 3476USD357239SOptical disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Apr 11, 1995·17 cites·1 claims
- 3575US5672825AMethod and apparatus for detecting and discriminating objects under the groundKAWASAKI HEAVY IND LTD·Filed 1995·Granted Sep 30, 1997·49 cites·5 claims
- 3674USD420155SSelf-ballasted compact fluorescent lampsMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Feb 1, 2000·18 cites·1 claims
- 3774USD411890SSelf-ballasted compact fluorescent lampsMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Jul 6, 1999·18 cites·1 claims
- 3867US5071232AOptical deflection element and space optical matrix switching deviceRICOH KK·Filed 1990·Granted Dec 10, 1991·31 cites·12 claims
- 3965US10108099B2TonerCANON KK·Filed 2017·Granted Oct 23, 2018·0 cites·3 claims
- 4065USD359039SOptical disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jun 6, 1995·11 cites·1 claims
- 4162US4802977AProcess for size separating toner particlesCANON KK·Filed 1987·Granted Feb 7, 1989·19 cites·10 claims
- 4261US9829815B2TonerCANON KK·Filed 2016·Granted Nov 28, 2017·0 cites·2 claims
- 4360US8282532B2Vehicle drive apparatusSHIRASAKA HARUKI·Filed 2009·Granted Oct 9, 2012·3 cites·7 claims
- 4457USD422371SSelf-ballasted compact fluorescent lampsMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Apr 4, 2000·9 cites·1 claims
- 4557USD421138SSelf-ballasted compact fluorescent lampsMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Feb 22, 2000·9 cites·1 claims
- 4656US5316222ACollision type gas current pulverizer and method for pulverizing powdersCANON KK·Filed 1992·Granted May 31, 1994·12 cites·18 claims
- 4753US5854365AToner for developing electrostatic image and method of manufacturing resin compositionCANON KK·Filed 1995·Granted Dec 29, 1998·9 cites·3 claims
- 4851USD412212SSelf-ballasted compact fluorescent lampsMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Jul 20, 1999·7 cites·1 claims
- 4951US2010035171A1Yellow tonerCANON KK·Filed 2009·Application pending·0 cites
- 5049US5435496ACollision-type gas current pulverizer and method for pulverizing powdersCANON KK·Filed 1994·Granted Jul 25, 1995·9 cites·21 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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