Inventor
MATSUSHIMA ASAO
JP61 patents
⚠️ This page may combine multiple inventors who share the name “MATSUSHIMA ASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
16 patentsUS6677097B2Jan 13, 2004
Toner for developing static image and an image forming method
KONISHIROKU PHOTO IND28 citations92
US6296980B1Oct 2, 2001
Toner for developing electrostatic image and image forming method
KONISHIROKU PHOTO IND37 citations92
US6602644B2Aug 5, 2003
Toner and image forming method
KONISHIROKU PHOTO IND29 citations91
US6485878B2Nov 26, 2002
Image forming method
KONISHIROKU PHOTO IND15 citations82
US6921619B2Jul 26, 2005
Electrostatic image developing
KONISHIROKU PHOTO IND8 citations74
US6844126B2Jan 18, 2005
Electrostatic latent image developing toner and image forming method
KONISHIROKU PHOTO IND10 citations74
US5817443AOct 6, 1998
Toner for static charge developing and fixing method
KONISHIROKU PHOTO IND11 citations73
US5589314ADec 31, 1996
Image forming method using an imidazole-perylene electrophotographic photoreceptor
KONISHIROKU PHOTO IND8 citations73
US5434027AJul 18, 1995
Photorecptor for electrophotography and image forming method
KONISHIROKU PHOTO IND14 citations73
US5549997AAug 27, 1996
Electrophotographic photoreceptor
KONISHIROKU PHOTO IND9 citations71
US6902856B2Jun 7, 2005
Toner, image forming method, and image forming apparatus
KONISHIROKU PHOTO IND6 citations63
US6841328B2Jan 11, 2005
Image forming method
KONISHIROKU PHOTO IND6 citations63
US6821695B2Nov 23, 2004
Electrostatic latent image developing toner and production method thereof
KONISHIROKU PHOTO IND6 citations62
US5863689AJan 26, 1999
Electrophotographic photoreceptor
KONISHIROKU PHOTO IND6 citations62
US6811941B2Nov 2, 2004
Electrostatic image developing toner and image forming method
KONISHIROKU PHOTO IND0 citations52
US6994943B2Feb 7, 2006
Toner for developing static latent image, producing method thereof and image forming method
KONISHIROKU PHOTO IND0 citations50
KONICA MINOLTA HOLDINGS INC
9 patentsUS7150952B2Dec 19, 2006
Toner for developing electrostatic image and producing method therefor
KONICA MINOLTA HOLDINGS INC11 citations84
US7625686B2Dec 1, 2009
Image forming method
KONICA MINOLTA HOLDINGS INC4 citations63
US7378208B2May 27, 2008
Toner and production method of the same
KONICA MINOLTA HOLDINGS INC4 citations63
US7241544B2Jul 10, 2007
Image forming method
KONICA MINOLTA HOLDINGS INC5 citations63
US7223508B2May 29, 2007
Toner for developing electrostatic image, method for producing the toner and image forming method
KONICA MINOLTA HOLDINGS INC2 citations63
US7157198B2Jan 2, 2007
Toner for electrostatic latent image development and an image forming method
KONICA MINOLTA HOLDINGS INC3 citations63
US7125637B2Oct 24, 2006
Toner for developing electrostatic latent image, image forming method and image forming apparatus
KONICA MINOLTA HOLDINGS INC4 citations63
US7276319B2Oct 2, 2007
Toner for electrostatic latent image development and image forming method
KONICA MINOLTA HOLDINGS INC0 citations52
US7402367B2Jul 22, 2008
Electrostatic image developing toner and image forming method
KONICA MINOLTA HOLDINGS INC0 citations50
KONICA MINOLTA INC
7 patentsUS9019560B2Apr 28, 2015
Image forming method
KONICA MINOLTA INC4 citations71
US10031454B2Jul 24, 2018
Fixing belt, fixing device, image forming apparatus and image formation method
KONICA MINOLTA INC0 citations51
US9377703B2Jun 28, 2016
Toner for developing electrostatic latent image and manufacturing method thereof
KONICA MINOLTA INC0 citations51
US9354535B2May 31, 2016
Toner for electrostatic charge image development and method for manufacturing the same
KONICA MINOLTA INC1 citations51
US10289045B2May 14, 2019
Fixing belt and fixing device and image forming apparatus using the same
KONICA MINOLTA INC0 citations50
US10185260B2Jan 22, 2019
Fixing belt, fixing device, and image forming apparatus
KONICA MINOLTA INC0 citations50
US10139760B2Nov 27, 2018
Fixing belt, fixing device, and image forming apparatus
KONICA MINOLTA INC0 citations50
KONICA MINOLTA BUSINESS TECH
6 patentsUS7514190B2Apr 7, 2009
Method for forming an electrophotographic image
KONICA MINOLTA BUSINESS TECH5 citations63
US7205082B2Apr 17, 2007
Electrostatic charge image developing toner
KONICA MINOLTA BUSINESS TECH4 citations63
US7270923B2Sep 18, 2007
Image forming method
KONICA MINOLTA BUSINESS TECH2 citations62
US7838194B2Nov 23, 2010
Toner for developing electrostatic image
KONICA MINOLTA BUSINESS TECH0 citations52
US7741000B2Jun 22, 2010
Image forming method
KONICA MINOLTA BUSINESS TECH0 citations52
US7507514B2Mar 24, 2009
Toner and manufacturing method of the same
KONICA MINOLTA BUSINESS TECH1 citations50
FUJITA MICHIYO
3 patentsMATSUSHIMA ASAO
2 patentsKONICA CORP
2 patentsMATSUBARA MASAHARU
1 patentKONICA MINOLTA TECHNOSEARCH CO
1 patentSHIRAI AYA
1 patentUCHINO YASUKO
1 patentMATSUMOTO YOSHIYASU
1 patentShowing the top 50 of 61 patents by PatentIndex Score.