Inventor
MATSUMURA YASUO
JP135 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMURA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
36 patentsUS6080519AJun 27, 2000
Toner for developing electrostatic charge and process for producing same, developer and process for forming image
FUJI XEROX CO LTD65 citations96
US5155000AOct 13, 1992
Toner composition containing TiO2 particles
FUJI XEROX CO LTD24 citations93
US6416918B2Jul 9, 2002
Toner 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 image
FUJI XEROX CO LTD26 citations92
US6153346ANov 28, 2000
Electrostatic image developing toner, process for the production thereof, electrostatic image developer and process for the formation of image
FUJI XEROX CO LTD33 citations92
US6022662AFeb 8, 2000
Toner for developing electrostatic images, method of producing toner for developing electrostatic images, electrostatic image developer
FUJI XEROX CO LTD19 citations92
US5998078ADec 7, 1999
Method of preparing toner for electrostatic charge image development, toner for electrostatic charge image development, electrostatic charge image developer, and image forming method
FUJI XEROX CO LTD27 citations92
US5849456ADec 15, 1998
Toner for developing electrostatic charge image, production method thereof, and image formation method
FUJI XEROX CO LTD38 citations92
US6096465AAug 1, 2000
Toner for developing electrostatic latent image, method for manufacturing the same, developer and method for forming image
FUJI XEROX CO LTD23 citations90
US7629098B2Dec 8, 2009
Method of producing toner for developing electrostatic charge image, toner for developing electrostatic charge image, developer for electrostatic charge image and method for forming image
FUJI XEROX CO LTD13 citations84
US7575841B2Aug 18, 2009
Toner for electrophotography, manufacturing method of toner for electrophotography, developer for electrophotography, and image forming method
FUJI XEROX CO LTD12 citations84
US7510811B2Mar 31, 2009
Toner for developing electrostatic image and resin particle disperision solution for toner for developing electrostatic image
FUJI XEROX CO LTD10 citations84
US7344816B2Mar 18, 2008
Image forming method
FUJI XEROX CO LTD18 citations84
US7250453B2Jul 31, 2007
Anti-bacterial composite particles and anti-bacterial resin composition
FUJI XEROX CO LTD14 citations84
US7001701B2Feb 21, 2006
Color toner, electrostatic latent image developer, image forming method, and image producing device
FUJI XEROX CO LTD12 citations84
US6838220B2Jan 4, 2005
Toner for developing electrostatic image, process for producing toner for developing electrostatic image, developer for developing electrostatic image, and process for forming image
FUJI XEROX CO LTD12 citations84
US6391510B1May 21, 2002
Toner for developing electrostatic latent image, process for producing the same, developer and process for producing image
FUJI XEROX CO LTD14 citations84
US7498113B2Mar 3, 2009
Toner for developing electrostatic image, production method thereof, resin particle dispersion, and electrostatic image developer
FUJI XEROX CO LTD7 citations74
US7455944B2Nov 25, 2008
Toner 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 particles
FUJI XEROX CO LTD8 citations74
US6893649B2May 17, 2005
Solid powder cosmetics
FUJI XEROX CO LTD7 citations74
US6846603B2Jan 25, 2005
Color toner, electrostatic latent image developer, image forming method, and image producing device
FUJI XEROX CO LTD7 citations74
US6828073B2Dec 7, 2004
Toner for developing electrostatic image, developer for electrostatic image, and process for forming image
FUJI XEROX CO LTD11 citations74
US6558864B2May 6, 2003
Toner for developing electrostatic image, method for producing the same, electrostatic image developer, method for forming image and image forming apparatus
FUJI XEROX CO LTD8 citations74
US6440627B2Aug 27, 2002
Toner for developing electrostatic image, process for preparation of the same, developer for electrostatic image, and process for forming image
FUJI XEROX CO LTD7 citations74
US6340549B1Jan 22, 2002
Toner for the development of electrostatic image, process for the preparation thereof, developer for the development of electrostatic image and process for the formation of image
FUJI XEROX CO LTD7 citations74
US5888687AMar 30, 1999
Toner for developing electrostatic charge image, production method thereof, and image formation method
FUJI XEROX CO LTD15 citations74
US5110703AMay 5, 1992
Carrier for developer
FUJI XEROX CO LTD11 citations74
US4965160AOct 23, 1990
Electrophotographic developer carrier particles coated with binder resin
FUJI XEROX CO LTD7 citations74
US4868083ASep 19, 1989
Developer carrier and process for producing the same
FUJI XEROX CO LTD9 citations74
US4859558AAug 22, 1989
Composition with fatty acid bisamide powder developer
FUJI XEROX CO LTD7 citations74
US10828923B2Nov 10, 2020
Pressure-printed material preparing apparatus
FUJI XEROX CO LTD2 citations73
US10507681B2Dec 17, 2019
Pressure-printed material preparing apparatus
FUJI XEROX CO LTD2 citations73
US7288351B2Oct 30, 2007
Magenta toner for developing electrostatic images, process for production thereof, developer and image-forming method
FUJI XEROX CO LTD8 citations73
US6329114B1Dec 11, 2001
Electrostatic image developing toner, production method thereof, electrostatic image developer and image-forming process
FUJI XEROX CO LTD12 citations73
US6132921AOct 17, 2000
Toner for electrostatic-charged image developer and production method thereof, electrostatic-charged image developer, and image-forming process
FUJI XEROX CO LTD13 citations73
US5910389AJun 8, 1999
Method for producing toner for developing images of electrostatic charge, toner for developing images of electrostatic charge, developer for images of electrostatic charge and method for forming images
FUJI XEROX CO LTD11 citations73
US5106715AApr 21, 1992
Toner composition with polyethylene and inorganic external additive
FUJI XEROX CO LTD17 citations73
NIPPON PETROCHEMICALS CO LTD
5 patentsUS4694100ASep 15, 1987
Method for producing α-(p-isobutylphenyl)propionic acid or its alkyl esters
NIPPON PETROCHEMICALS CO LTD23 citations80
US4982007AJan 1, 1991
Process for selectively hydroformulating diolefin
NIPPON PETROCHEMICALS CO LTD5 citations74
US4889952ADec 26, 1989
(Phenylethenyl) phenylpropionaldehyde and method for producing (benzolyphenyl) propionic acid using the same
NIPPON PETROCHEMICALS CO LTD5 citations74
US4814494AMar 21, 1989
Method for producing (aryl substituted) carboxylic acid or its salt
NIPPON PETROCHEMICALS CO LTD15 citations73
US4709089ANov 24, 1987
Method for refining 2-(aryl substituted) propionic acid or its salt
NIPPON PETROCHEMICALS CO LTD13 citations73
JAPAN EXLAN CO LTD
3 patentsUS4001382AJan 4, 1977
Process for producing carbon fibers having excellent physical properties
JAPAN EXLAN CO LTD29 citations81
US3993719ANov 23, 1976
Process for producing carbon fibers
JAPAN EXLAN CO LTD7 citations73
US3933986AJan 20, 1976
Process for producing carbon fibers
JAPAN EXLAN CO LTD10 citations73
MATSUMURA YASUO
2 patentsUS8541153B2Sep 24, 2013
Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, image forming method, and image forming apparatus
MATSUMURA YASUO10 citations83
US8105744B2Jan 31, 2012
Image forming method and image forming apparatus
MATSUMURA YASUO15 citations83
HONDA MOTOR CO LTD
1 patentSHIMUZU ISOO
1 patentYOSHIO KATSURA
1 patentSUNTORY LTD
1 patentShowing the top 50 of 135 patents by PatentIndex Score.