Inventor
ITAKURA TAKAYUKI
JP53 patents
⚠️ This page may combine multiple inventors who share the name “ITAKURA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
34 patentsUS7767370B2Aug 3, 2010
Two-component developer, replenishing developer, and image-forming method
CANON KK47 citations98
US7396626B2Jul 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
US7147980B2Dec 12, 2006
Toner and image forming apparatus
CANON KK69 citations98
US6751424B2Jun 15, 2004
Image-forming method in high-speed mode and in low-speed mode
CANON KK71 citations98
US7939233B2May 10, 2011
Magnetic carrier and two-component developer
CANON KK58 citations97
US7927775B2Apr 19, 2011
Magnetic carrier and two component developer
CANON KK58 citations97
US7858283B2Dec 28, 2010
Magnetic carrier and two-component developer
CANON KK57 citations97
US7611813B2Nov 3, 2009
Toner and image forming method
CANON KK58 citations97
US7361441B2Apr 22, 2008
Color toner, and full-color image-forming method
CANON KK43 citations96
US6808852B2Oct 26, 2004
Toner and heat-fixing method
CANON KK55 citations96
US9715188B2Jul 25, 2017
Toner
CANON KK32 citations94
US9588450B2Mar 7, 2017
Magnetic toner
CANON KK37 citations94
US9575425B2Feb 21, 2017
Toner
CANON KK29 citations94
US6586147B2Jul 1, 2003
Toner and full-color image forming method
CANON KK65 citations94
US7629100B2Dec 8, 2009
Toner
CANON KK36 citations93
US7442478B2Oct 28, 2008
Toner and method for forming image
CANON KK34 citations93
US7396629B2Jul 8, 2008
Image forming method and image forming apparatus
CANON KK53 citations93
US7320850B2Jan 22, 2008
Magenta toner
CANON KK25 citations93
US7297455B2Nov 20, 2007
Toner, and image forming method
CANON KK40 citations93
US6528222B2Mar 4, 2003
Toner
CANON KK49 citations93
US7906262B2Mar 15, 2011
Two-component developer, replenishing developer, and image-forming method
CANON KK32 citations92
US7229727B2Jun 12, 2007
Color toner, and full-color image forming method
CANON KK39 citations92
US7144668B2Dec 5, 2006
Toner and two-component developer
CANON KK37 citations92
US7138213B2Nov 21, 2006
Cyan toner and method for forming an image
CANON KK34 citations92
US7115349B2Oct 3, 2006
Toner
CANON KK39 citations92
US6929894B2Aug 16, 2005
Toner and fixing method
CANON KK37 citations92
US6905808B2Jun 14, 2005
Color toner, and full-color image forming method
CANON KK36 citations92
US6664016B2Dec 16, 2003
Magenta toner
CANON KK43 citations92
US6326114B1Dec 4, 2001
Toner, and process for producing a toner
CANON KK33 citations92
US7983581B2Jul 19, 2011
Fixing method and fixing device with specified temperature relationships for recording medium
CANON KK7 citations84
US7272348B2Sep 18, 2007
Developing method using a developer with a specified degree of compression and shearing stress
CANON KK12 citations84
US10409186B2Sep 10, 2019
Toner and image forming method
CANON KK1 citations62
FUJIKAWA HIROYUKI
4 patentsMITA INDUSTRIAL CO LTD
3 patentsUS6096467AAug 1, 2000
Positive charging color toner
MITA INDUSTRIAL CO LTD37 citations91
US5858600AJan 12, 1999
Method of controlling electric charge of a two-component developing agent
MITA INDUSTRIAL CO LTD7 citations74
US5143811ASep 1, 1992
Toner composition for developing an electrostatic latent image and an image-forming method using the same
MITA INDUSTRIAL CO LTD8 citations69
SHIOTARI YOSHIAKI
2 patentsKYOCERA MITA CORP
2 patentsHOTTA YOJIRO
1 patentBABA YOSHINOBU
1 patentISHIGAMI KOH
1 patentOSAKA GAS CO LTD
1 patentSANGI KK
1 patentShowing the top 50 of 53 patents by PatentIndex Score.