Inventor
HAMANO HIROKAZU
JP48 patents
⚠️ This page may combine multiple inventors who share the name “HAMANO HIROKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
30 patentsUS6607864B2Aug 19, 2003
Image forming method
FUJI XEROX CO LTD20 citations92
US6582869B2Jun 24, 2003
Electrophotographic toner, method of manufacturing the same, electrophotographic developer, and image forming method
FUJI XEROX CO LTD27 citations92
US6500594B2Dec 31, 2002
Electrophotographic developer and process for forming image
FUJI XEROX CO LTD34 citations92
US6187489B1Feb 13, 2001
Electrostatic latent image developing toner and image-forming process
FUJI XEROX CO LTD24 citations92
US6171747B1Jan 9, 2001
Image forming method
FUJI XEROX CO LTD24 citations92
US6150062ANov 21, 2000
Toners for developing electrostatic latent images, developers for electrostatic latent images and methods for forming images
FUJI XEROX CO LTD39 citations92
US6120959ASep 19, 2000
Black toner for developing electrostatic latent image
FUJI XEROX CO LTD20 citations92
US5821023AOct 13, 1998
Developer of electrostatic latent image, carrier therefor, method for forming image and image forming apparatus thereby
FUJI XEROX CO LTD24 citations92
US5958642ASep 28, 1999
Toner for developing an electrostatic charge image, developing agent for electrostatic charge image and image formation method
FUJI XEROX CO LTD23 citations89
US7291436B2Nov 6, 2007
Electrophotographic toner, method for producing the same, electrophotographic developer, and image forming method
FUJI XEROX CO LTD15 citations84
US6582867B2Jun 24, 2003
Toner for developing electrostatic latent image, process for producing the same, and process for forming image
FUJI XEROX CO LTD16 citations84
US6942951B2Sep 13, 2005
Image forming method
FUJI XEROX CO LTD7 citations74
US6096463AAug 1, 2000
Image forming method
FUJI XEROX CO LTD10 citations74
US7713669B2May 11, 2010
Toner for developing electrostatic images, electrostatic image developer, and image-forming method
FUJI XEROX CO LTD7 citations73
US6203958B1Mar 20, 2001
Toner and method of image formation using the same
FUJI XEROX CO LTD8 citations73
US6132915AOct 17, 2000
Image-forming process
FUJI XEROX CO LTD7 citations73
US7906264B2Mar 15, 2011
Electrostatic latent image developing toner and method for producing the same, and electrostatic latent image developer, toner cartridge, process cartridge and image forming apparatus
FUJI XEROX CO LTD6 citations63
US6864029B2Mar 8, 2005
Electrophotographic toner, manufacture of the same, electrostatic latent image developer, and image forming method
FUJI XEROX CO LTD6 citations63
US6569592B2May 27, 2003
Image forming method
FUJI XEROX CO LTD3 citations63
US6733938B1May 11, 2004
Toner for developing electrostatic latent image, two-component developer, and image-forming process
FUJI XEROX CO LTD2 citations62
US6444389B1Sep 3, 2002
Toner for developing electrostatic latent image, two-component developer and image-forming process
FUJI XEROX CO LTD6 citations62
US6895206B2May 17, 2005
Image fixing apparatus and image fixing method for a crystalline resin-containing toner
FUJI XEROX CO LTD6 citations61
US6895205B2May 17, 2005
Image fixing apparatus with cooling unit and image fixing method
FUJI XEROX CO LTD3 citations60
US7972758B2Jul 5, 2011
Toner for development of electrostatic image, method of producing the same, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus
FUJI XEROX CO LTD1 citations52
US8916321B2Dec 23, 2014
Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus
FUJI XEROX CO LTD1 citations51
US7432031B2Oct 7, 2008
Toner for electrostatic charge developing, production method thereof, developer for electrostatic charge developing using the same, and image forming method
FUJI XEROX CO LTD1 citations51
US9164418B2Oct 20, 2015
Developing device, and image forming apparatus using the same
FUJI XEROX CO LTD0 citations40
US9128413B2Sep 8, 2015
Developing device, and image forming apparatus using the same
FUJI XEROX CO LTD0 citations40
US9063466B2Jun 23, 2015
Developing device having an attaching unit for attaching developer and image forming apparatus including the same
FUJI XEROX CO LTD0 citations40
US9002244B2Apr 7, 2015
Image forming apparatus including developing device using toner holding member with specific surface roughness
FUJI XEROX CO LTD0 citations39
FUJIFILM BUSINESS INNOVATION CORP
4 patentsUS12187861B2Jan 7, 2025
Cellulosic particle
FUJIFILM BUSINESS INNOVATION CORP0 citations61
US12065547B2Aug 20, 2024
Cellulosic particle
FUJIFILM BUSINESS INNOVATION CORP0 citations61
US12460054B2Nov 4, 2025
Cellulosic particle
FUJIFILM BUSINESS INNOVATION CORP0 citations59
US12325779B2Jun 10, 2025
Cellulosic particle
FUJIFILM BUSINESS INNOVATION CORP0 citations59
MORINAGA MILK INDUSTRY CO LTD
2 patentsPIONEER ELECTRONIC CORP
2 patentsNAKAZAWA HIROSHI
2 patentsUS8563208B2Oct 22, 2013
Electrostatic charge image developing toner and method of producing the same, electrostatic charge image developer, toner cartridge, process cartridge, and image forming device
NAKAZAWA HIROSHI0 citations51
US8329375B2Dec 11, 2012
Electrostatic charge image developing toner and method of producing the same, electrostatic charge image developer, toner cartridge, process cartridge, and image forming device
NAKAZAWA HIROSHI1 citations51
KAWAKAMI EIJI
2 patentsUS8945806B2Feb 3, 2015
Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming apparatus, and image forming method
KAWAKAMI EIJI0 citations48
US8728695B2May 20, 2014
Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming apparatus, and image forming method
KAWAKAMI EIJI0 citations47