Inventor
UCHIDA MASAFUMI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “UCHIDA MASAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
15 patentsUS6395442B1May 28, 2002
Toner and production method of the same
KONISHIROKU PHOTO IND55 citations96
US4917983AApr 17, 1990
Toner for developing an electrostatic latent image comprising linear polyester polymer
KONISHIROKU PHOTO IND57 citations96
US4863824ASep 5, 1989
Toner for developing electrostatic latent image
KONISHIROKU PHOTO IND81 citations96
US6475685B2Nov 5, 2002
Electrostatically charged image developing toner, production method of the same, and an image forming method
KONISHIROKU PHOTO IND26 citations92
US6472117B2Oct 29, 2002
Toner for developing electrostatic image and image forming method
KONISHIROKU PHOTO IND36 citations92
US4960664AOct 2, 1990
Developer composition for developing electrostatic image and toner image forming process
KONISHIROKU PHOTO IND32 citations92
US5047305ASep 10, 1991
Electrostatic-image developing polyester toner with release agent
KONISHIROKU PHOTO IND22 citations91
US5631116AMay 20, 1997
Carrier for electrophotographic use
KONISHIROKU PHOTO IND41 citations89
US6090517AJul 18, 2000
Two component type developer for electrostatic latent image
KONISHIROKU PHOTO IND16 citations82
US4877704AOct 31, 1989
Process for developing latent electrostatic image using toner containing polyester resin
KONISHIROKU PHOTO IND15 citations73
US5116713AMay 26, 1992
Toner for developing latent electrostatic image
KONISHIROKU PHOTO IND17 citations72
US5643704AJul 1, 1997
Two-component type developer for developing an electrostatic image
KONISHIROKU PHOTO IND11 citations71
US6506529B2Jan 14, 2003
Toner for developing electrostatic latent image
KONISHIROKU PHOTO IND4 citations63
US6806012B2Oct 19, 2004
Electrostatic image developing
KONISHIROKU PHOTO IND4 citations62
US5527558AJun 18, 1996
Method for preparation of a carrier for developing an electrostatic charge image
KONISHIROKU PHOTO IND5 citations60
KONICA MINOLTA BUSINESS TECH
6 patentsUS7547498B2Jun 16, 2009
Toner for developing electrostatic latent images and a production method for the same
KONICA MINOLTA BUSINESS TECH7 citations73
US7582402B2Sep 1, 2009
Image forming method
KONICA MINOLTA BUSINESS TECH2 citations63
US7410742B2Aug 12, 2008
Image forming method
KONICA MINOLTA BUSINESS TECH1 citations52
US7138216B2Nov 21, 2006
Image forming method employing the toner
KONICA MINOLTA BUSINESS TECH0 citations52
US7704654B2Apr 27, 2010
Image forming method
KONICA MINOLTA BUSINESS TECH0 citations42
US7862974B2Jan 4, 2011
Toner for electrophotography
KONICA MINOLTA BUSINESS TECH0 citations41
KONICA MINOLTA HOLDINGS INC
3 patentsUS7018761B2Mar 28, 2006
Toner and image forming method
KONICA MINOLTA HOLDINGS INC5 citations63
US7316880B2Jan 8, 2008
Toner for developing a latent image and an image forming method employing the same
KONICA MINOLTA HOLDINGS INC3 citations62
US7531280B2May 12, 2009
Toner for developing a latent image and an image forming method employing the same
KONICA MINOLTA HOLDINGS INC0 citations52
KONICA CORP
2 patentsUS7018765B2Mar 28, 2006
Toner particle having a hardnes of 6.0 to 24.0 mN and a circularity of 0.92 to 0.99
KONICA CORP2 citations62
US7258960B2Aug 21, 2007
Production apparatus of toner for developing electrostatic images, production method thereof, and toner for developing electrostatic images
KONICA CORP1 citations51