Inventor
TANIKAWA HIROHIDE
JP71 patents
⚠️ This page may combine multiple inventors who share the name “TANIKAWA HIROHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
49 patentsUS7396626B2Jul 8, 2008
Toner
CANON KK55 citations98
US7288348B2Oct 30, 2007
Color toner
CANON KK60 citations98
US7279262B2Oct 9, 2007
Magnetic carrier and two-component developer
CANON KK60 citations98
US7611813B2Nov 3, 2009
Toner and image forming method
CANON KK58 citations97
US6235441B1May 22, 2001
Positively chargeable toner, image forming method and image forming apparatus
CANON KK67 citations96
US6203959B1Mar 20, 2001
Toner
CANON KK80 citations96
US5968701AOct 19, 1999
Toner and image forming method
CANON KK79 citations96
US5707770AJan 13, 1998
Toner for developing electrostatic images, two component type developer, developing method, image forming method, heat fixing method, and process for producing toner
CANON KK51 citations96
US5202213AApr 13, 1993
Developer with surface treated silicic acid for developing electrostatic image
CANON KK76 citations96
US5014089AMay 7, 1991
Developer in an image forming device having a binding resin and magnetic powder
CANON KK56 citations95
US4985327AJan 15, 1991
Non-magnetic toner
CANON KK64 citations95
US4957840ASep 18, 1990
Developer and image forming device
CANON KK44 citations95
US7442478B2Oct 28, 2008
Toner and method for forming image
CANON KK34 citations93
US7320850B2Jan 22, 2008
Magenta toner
CANON KK25 citations93
US6875549B2Apr 5, 2005
Dry toner, toner production process, image forming method and process cartridge
CANON KK41 citations93
US6696211B2Feb 24, 2004
Developer, image-forming method, and process cartridge
CANON KK22 citations93
US6653036B1Nov 25, 2003
Magnetic toner and image forming method
CANON KK49 citations93
US6156471ADec 5, 2000
Toner and image forming method
CANON KK51 citations93
US6120961ASep 19, 2000
Toner for developing electrostatic images
CANON KK35 citations93
US6020102AFeb 1, 2000
Positive-chargeable toner, image forming method and apparatus unit
CANON KK34 citations93
US7816063B2Oct 19, 2010
Color toner and two-component developer
CANON KK31 citations92
US7544457B2Jun 9, 2009
Color toner and two-component developer
CANON KK17 citations92
US7455947B2Nov 25, 2008
Yellow toner, image forming apparatus and a method for producing a toner
CANON KK26 citations92
US7452647B2Nov 18, 2008
Color toner
CANON KK28 citations92
US7138213B2Nov 21, 2006
Cyan toner and method for forming an image
CANON KK34 citations92
US7112395B2Sep 26, 2006
Color toner
CANON KK30 citations92
US6881527B2Apr 19, 2005
Toner, and process cartridge
CANON KK36 citations92
US6541174B1Apr 1, 2003
Method using toner and developer for developing electrostatic image
CANON KK20 citations92
US6458499B1Oct 1, 2002
Toner having hydrocarbon wax with specific ester value and hydroxyl value
CANON KK23 citations92
US6187496B1Feb 13, 2001
Toner and developer for developing electrostatic image, process for production thereof and image forming method
CANON KK16 citations92
US6077638AJun 20, 2000
Toner and developer for developing electrostatic image, process for production thereof and image forming method
CANON KK29 citations92
US5824442AOct 20, 1998
Developing method, image forming method, and heat fixing method, with toner
CANON KK24 citations92
US5384224AJan 24, 1995
Toner for developing electrostatic image
CANON KK46 citations92
US5364722ANov 15, 1994
Toner for developing electrostatic image and heat-fixing method comprising a hydrocarbon wax
CANON KK48 citations92
US5268248ADec 7, 1993
Toner for developing electrostatic image and process for production thereof
CANON KK27 citations92
US5202731AApr 13, 1993
Image forming apparatus having an alternating bias electric field
CANON KK39 citations92
US5175070ADec 29, 1992
Image forming method and image forming apparatus
CANON KK25 citations92
US5009973AApr 23, 1991
Image forming method and image forming apparatus
CANON KK53 citations92
US4952476AAug 28, 1990
Electrophotographic magnetic toner containing polyalkylene and vinyl polymer
CANON KK23 citations92
US4737432AApr 12, 1988
Positively chargeable toner and developer for developing electrostatic images contains di-organo tin borate charge controller
CANON KK32 citations92
US6232027B1May 15, 2001
Toner having negative triboelectric chargeability and image forming method
CANON KK30 citations91
US6673506B2Jan 6, 2004
Toner production process
CANON KK17 citations84
US6537716B1Mar 25, 2003
Toner for developing electrostatic images and heat fixing method
CANON KK20 citations84
US6426169B1Jul 30, 2002
Toner containing azo iron compound
CANON KK17 citations84
US5863695AJan 26, 1999
Toner for developing electrostatic image and image forming method
CANON KK16 citations82
US5504272AApr 2, 1996
Magnetic toner having defined particle distribution
CANON KK17 citations82
US5500318AMar 19, 1996
Toner for developing electrostatic image and fixing method
CANON KK16 citations81
US6514654B1Feb 4, 2003
Two-component developer and image forming method
CANON KK10 citations74
US5972554AOct 26, 1999
Toner for developing electrostatic images
CANON KK12 citations74
HOTTA YOJIRO
1 patentShowing the top 50 of 71 patents by PatentIndex Score.