Inventor
KATSUTA YASUSHI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “KATSUTA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
22 patentsUS6316157B1Nov 13, 2001
Toner and image forming method
CANON KK55 citations96
US10114303B2Oct 30, 2018
Toner
CANON KK46 citations94
US9720340B2Aug 1, 2017
Toner
CANON KK33 citations92
US8874007B2Oct 28, 2014
Developing unit and electrophotographic image forming apparatus
CANON KK31 citations92
US7160663B2Jan 9, 2007
Toner
CANON KK28 citations92
US7112393B2Sep 26, 2006
Non-magnetic toner
CANON KK33 citations92
US7029813B2Apr 18, 2006
Toner
CANON KK21 citations92
US6667140B2Dec 23, 2003
Toner and image forming method
CANON KK25 citations92
US6346356B1Feb 12, 2002
Toner, toner production process, and image-forming method
CANON KK35 citations92
US7153625B2Dec 26, 2006
Process for producing toner particles, and toner
CANON KK14 citations84
US7846631B2Dec 7, 2010
Toner
CANON KK10 citations83
US7323282B2Jan 29, 2008
Dry toner, method for producing dry toner, and method for forming an image
CANON KK14 citations83
US7252917B2Aug 7, 2007
Dry toner, method for producing dry toner, and method for forming an image
CANON KK15 citations83
US6855471B2Feb 15, 2005
Toner and image-forming method
CANON KK10 citations74
US11360416B2Jun 14, 2022
Image forming apparatus
CANON KK4 citations72
US7745088B2Jun 29, 2010
Non-magnetic toner
CANON KK6 citations62
US7740999B2Jun 22, 2010
Toner
CANON KK2 citations62
US7537875B2May 26, 2009
Toner
CANON KK4 citations62
US11960225B2Apr 16, 2024
Image forming apparatus
CANON KK0 citations61
US12092970B2Sep 17, 2024
Image forming apparatus
CANON KK0 citations51
US11067938B2Jul 20, 2021
Cleaning unit, cartridge, image forming apparatus
CANON KK0 citations51
US10928768B2Feb 23, 2021
Cleaning unit, cartridge, image forming apparatus
CANON KK0 citations51
PETOCA LTD
3 patentsUS5855663AJan 5, 1999
Carbon fibers for reinforcement of cement and cement composite material
PETOCA LTD49 citations94
US5686181ANov 11, 1997
Carbon fibers for reinforcement of cement and cement composite material
PETOCA LTD13 citations72
US5824245AOct 20, 1998
Processes for preparing milled graphite fibers
PETOCA LTD4 citations56