Inventor · disambiguated record
Yasuo Matsumura
Also filed as: MATSUMURA YASUO
135 granted patents·22 pending applications·1,033 citations·filing 1974–2024
99Inventor score
Files withFUJI XEROX CO LTD86NIPPON PETROCHEMICALS CO LTD36MATSUMURA YASUO5JAPAN EXLAN CO LTD4SASAKI YUKI4
Top patents by PatentIndex Score
157 records- 0194US6080519AToner for developing electrostatic charge and process for producing same, developer and process for forming imageFUJI XEROX CO LTD·Filed 1999·Granted Jun 27, 2000·65 cites·18 claims
- 0293US8541153B2Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, image forming method, and image forming apparatusMATSUMURA YASUO·Filed 2010·Granted Sep 24, 2013·10 cites·17 claims
- 0392US8105744B2Image forming method and image forming apparatusMATSUMURA YASUO·Filed 2008·Granted Jan 31, 2012·15 cites·16 claims
- 0491US10982117B2Adhesive material and pressure-bonded printFUJI XEROX CO LTD·Filed 2018·Granted Apr 20, 2021·4 cites·19 claims
- 0591US7629098B2Method of producing toner for developing electrostatic charge image, toner for developing electrostatic charge image, developer for electrostatic charge image and method for forming imageFUJI XEROX CO LTD·Filed 2006·Granted Dec 8, 2009·13 cites·17 claims
- 0690US10507681B2Pressure-printed material preparing apparatusFUJI XEROX CO LTD·Filed 2017·Granted Dec 17, 2019·2 cites·2 claims
- 0790US7575841B2Toner for electrophotography, manufacturing method of toner for electrophotography, developer for electrophotography, and image forming methodFUJI XEROX CO LTD·Filed 2005·Granted Aug 18, 2009·12 cites·16 claims
- 0889US5647314ASuction silencer apparatusHONDA MOTOR CO LTD·Filed 1995·Granted Jul 15, 1997·78 cites·20 claims
- 0988US8518424B2Resin powder for dermatologic composition, skin cleansing agent and cosmetic composition using the powder, and preparation processes of the powderSASAKI YUKI·Filed 2007·Granted Aug 27, 2013·6 cites·22 claims
- 1088US7510811B2Toner for developing electrostatic image and resin particle disperision solution for toner for developing electrostatic imageFUJI XEROX CO LTD·Filed 2005·Granted Mar 31, 2009·10 cites·20 claims
- 1188US6416918B2Toner for developing electrostatic image, process for producing the same, fine resin particle dispersion, releasing agent dispersion, developer for developing electrostatic image, and process for forming imageFUJI XEROX CO LTD·Filed 2001·Granted Jul 9, 2002·26 cites·21 claims
- 1287US4001382AProcess for producing carbon fibers having excellent physical propertiesJAPAN EXLAN CO LTD·Filed 1975·Granted Jan 4, 1977·29 cites·10 claims
- 1386US7455944B2Toner for developing electrostatic latent images and manufacturing method thereof, developer for developing electrostatic latent images, image forming method, and method for manufacturing dispersion of resin particlesFUJI XEROX CO LTD·Filed 2005·Granted Nov 25, 2008·8 cites·17 claims
- 1486US5849456AToner for developing electrostatic charge image, production method thereof, and image formation methodFUJI XEROX CO LTD·Filed 1997·Granted Dec 15, 1998·38 cites·22 claims
- 1585US10828923B2Pressure-printed material preparing apparatusFUJI XEROX CO LTD·Filed 2019·Granted Nov 10, 2020·2 cites·9 claims
- 1685US4694100AMethod for producing α-(p-isobutylphenyl)propionic acid or its alkyl estersNIPPON PETROCHEMICALS CO LTD·Filed 1985·Granted Sep 15, 1987·23 cites·33 claims
- 1784US8810153B2Led power supply systems and methodsYOSHIO KATSURA·Filed 2011·Granted Aug 19, 2014·9 cites·17 claims
- 1884US7498113B2Toner for developing electrostatic image, production method thereof, resin particle dispersion, and electrostatic image developerFUJI XEROX CO LTD·Filed 2005·Granted Mar 3, 2009·7 cites·18 claims
- 1983US7776994B2Resin particle dispersion liquid, and method for producing the sameFUJI XEROX CO LTD·Filed 2007·Granted Aug 17, 2010·4 cites·9 claims
- 2083US6153346AElectrostatic image developing toner, process for the production thereof, electrostatic image developer and process for the formation of imageFUJI XEROX CO LTD·Filed 1999·Granted Nov 28, 2000·33 cites·18 claims
- 2183US5155000AToner composition containing TiO2 particlesFUJI XEROX CO LTD·Filed 1989·Granted Oct 13, 1992·24 cites·9 claims
- 2281US7344816B2Image forming methodFUJI XEROX CO LTD·Filed 2004·Granted Mar 18, 2008·18 cites·13 claims
- 2380US7560213B2Resin particle liquid dispersion for electrostatic image developing toner, production process of the liquid dispersion, electrostatic image developing toner, production process of the toner, electrostatic image developer and image forming methodFUJI XEROX CO LTD·Filed 2006·Granted Jul 14, 2009·6 cites·19 claims
- 2480US7473511B2Particle dispersion for electrostatic image-developing toners, electrostatic image-developing toner, and method for producing the sameFUJI XEROX CO LTD·Filed 2005·Granted Jan 6, 2009·6 cites·18 claims
- 2580US7250453B2Anti-bacterial composite particles and anti-bacterial resin compositionFUJI XEROX CO LTD·Filed 2002·Granted Jul 31, 2007·14 cites·20 claims
- 2679US7378210B2Electrophotographic toner and manufacturing method thereof, polyester resin for electrophotographic toner and manufacturing method thereof, electrophotographic developer and image forming methodFUJI XEROX CO LTD·Filed 2005·Granted May 27, 2008·5 cites·17 claims
- 2779US4814494AMethod for producing (aryl substituted) carboxylic acid or its saltNIPPON PETROCHEMICALS CO LTD·Filed 1987·Granted Mar 21, 1989·15 cites·14 claims
- 2878US9382430B2Thermosetting powder coating material and coated productFUJI XEROX CO LTD·Filed 2015·Granted Jul 5, 2016·1 cites·19 claims
- 2978US6893649B2Solid powder cosmeticsFUJI XEROX CO LTD·Filed 2002·Granted May 17, 2005·7 cites·16 claims
- 3077US8263303B2Method for producing colored resin particle dispersion liquid, colored resin particle dispersion liquid, and electrophotographic liquid developerMATSUOKA HIROTAKA·Filed 2006·Granted Sep 11, 2012·4 cites·15 claims
- 3177US8003821B2Bronsted acid compound, manufacturing method of condensation compound, dispersion liquid of condensation compound particles, manufacturing method of electrostatic image developing toner, manufacturing method of binder resin, binder resin, dispersion liquid of resin particles, electrostatic image developing toner, electrostatic image developer, and image-forming methodFUJI XEROX CO LTD·Filed 2006·Granted Aug 23, 2011·2 cites·7 claims
- 3277US7375471B2Charging circuitTEXAS INSTRUMENTS INC·Filed 2006·Granted May 20, 2008·6 cites·22 claims
- 3377US5998078AMethod of preparing toner for electrostatic charge image development, toner for electrostatic charge image development, electrostatic charge image developer, and image forming methodFUJI XEROX CO LTD·Filed 1998·Granted Dec 7, 1999·27 cites·20 claims
- 3476US4709089AMethod for refining 2-(aryl substituted) propionic acid or its saltNIPPON PETROCHEMICALS CO LTD·Filed 1987·Granted Nov 24, 1987·13 cites·8 claims
- 3575US7662536B2Resin particle liquid dispersion for electrostatic image developing toner, production process of the liquid dispersion, electrostatic image developing toner, production process of the toner, electrostatic image developer and image forming methodFUJI XEROX CO LTD·Filed 2006·Granted Feb 16, 2010·4 cites·14 claims
- 3675US7001701B2Color toner, electrostatic latent image developer, image forming method, and image producing deviceFUJI XEROX CO LTD·Filed 2004·Granted Feb 21, 2006·12 cites·21 claims
- 3775US6391510B1Toner for developing electrostatic latent image, process for producing the same, developer and process for producing imageFUJI XEROX CO LTD·Filed 2000·Granted May 21, 2002·14 cites·19 claims
- 3874US11272622B2Method for producing circuit board and method for producing integrated circuit including the sameFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Mar 8, 2022·1 cites·14 claims
- 3974US9557673B2Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridgeFUJI XEROX CO LTD·Filed 2015·Granted Jan 31, 2017·1 cites·12 claims
- 4074US6096465AToner for developing electrostatic latent image, method for manufacturing the same, developer and method for forming imageFUJI XEROX CO LTD·Filed 1999·Granted Aug 1, 2000·23 cites·21 claims
- 4173US12075569B2Circuit board producing apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Aug 27, 2024·0 cites·2 claims
- 4273US6132921AToner for electrostatic-charged image developer and production method thereof, electrostatic-charged image developer, and image-forming processFUJI XEROX CO LTD·Filed 2000·Granted Oct 17, 2000·13 cites·20 claims
- 4373US2024321878A1Reference Voltage CircuitNexperia BV·Filed 2024·Application pending·0 cites
- 4473US2024321877A1Reference Voltage CircuitNexperia BV·Filed 2024·Application pending·0 cites
- 4572US7420020B2Resin particles and producing method thereof, toner for developing electrostatic latent image and producing method thereof, electrostatic latent image developer as well as image forming methodFUJI XEROX CO LTD·Filed 2005·Granted Sep 2, 2008·3 cites·5 claims
- 4672US6838220B2Toner for developing electrostatic image, process for producing toner for developing electrostatic image, developer for developing electrostatic image, and process for forming imageFUJI XEROX CO LTD·Filed 2001·Granted Jan 4, 2005·12 cites·17 claims
- 4772US5106715AToner composition with polyethylene and inorganic external additiveFUJI XEROX CO LTD·Filed 1989·Granted Apr 21, 1992·17 cites·11 claims
- 4870US6828073B2Toner for developing electrostatic image, developer for electrostatic image, and process for forming imageFUJI XEROX CO LTD·Filed 2002·Granted Dec 7, 2004·11 cites·19 claims
- 4970US6022662AToner for developing electrostatic images, method of producing toner for developing electrostatic images, electrostatic image developerFUJI XEROX CO LTD·Filed 1998·Granted Feb 8, 2000·19 cites·15 claims
- 5069US10852659B2Method of producing foil formed member, method of producing wiring substrate, and method of producing integrated circuitFUJI XEROX CO LTD·Filed 2018·Granted Dec 1, 2020·1 cites·17 claims
Showing the top 50 of 157 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →