Inventor
TAKAHASHI SAKON
JP43 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI SAKON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
32 patentsUS6403271B1Jun 11, 2002
Toner for developing electrostatic latent image, process for producing the same, developer for developing electrostatic latent image, and process for forming image
FUJI XEROX CO LTD45 citations96
US6479206B1Nov 12, 2002
Toner for developing electrostatic latent image, process for producing the same, developer for developing electrostatic latent image, and process for forming image
FUJI XEROX CO LTD19 citations92
US5849448ADec 15, 1998
Carrier for developer of electrostatic latent image, method for making said carrier
FUJI XEROX CO LTD20 citations92
US8923712B1Dec 30, 2014
Image forming apparatus
FUJI XEROX CO LTD13 citations84
US6746810B2Jun 8, 2004
Image formation method, replenishing toner used in this method and method of producing the same, and carrier-containing toner cartridge
FUJI XEROX CO LTD11 citations74
US6489075B2Dec 3, 2002
Toner for developing electrostatic latent image, process for producing the same, developer for developing electrostatic latent image, and process for forming image
FUJI XEROX CO LTD12 citations73
US6040102AMar 21, 2000
Electrostatic latent image developer and image forming method
FUJI XEROX CO LTD15 citations73
US5629120AMay 13, 1997
Electrostatic image developing carrier and electrostatic image developer
FUJI XEROX CO LTD11 citations73
US9442404B1Sep 13, 2016
Electrostatic-image-developing toner, electrostatic image developer, and toner cartridge
FUJI XEROX CO LTD4 citations72
US10527962B2Jan 7, 2020
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD2 citations71
US10025210B2Jul 17, 2018
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD2 citations71
US6673502B2Jan 6, 2004
Carrier for development of electrostatic latent image, electrostatic latent image developer and image forming method
FUJI XEROX CO LTD6 citations63
US9195167B2Nov 24, 2015
Image forming apparatus
FUJI XEROX CO LTD2 citations62
US6447972B1Sep 10, 2002
Charging member for development of electrostatic latent image, electrostatic latent image developer, and magnetic sleeve
FUJI XEROX CO LTD5 citations62
US10599061B1Mar 24, 2020
Electrostatic-image developing toner, electrostatic-image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
FUJI XEROX CO LTD1 citations61
US10394151B2Aug 27, 2019
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD1 citations61
US8989631B2Mar 24, 2015
Image-forming apparatus and method
FUJI XEROX CO LTD1 citations52
US8942587B2Jan 27, 2015
Electrostatic image developer and image forming apparatus
FUJI XEROX CO LTD1 citations52
US8383308B2Feb 26, 2013
Positively chargeable two-component developer, image forming method, and image forming apparatus
FUJI XEROX CO LTD0 citations52
US7776502B2Aug 17, 2010
Toner for developing electrostatic charge image, electrostatic charge image developer, image forming method and image forming apparatus
FUJI XEROX CO LTD0 citations52
US10585367B2Mar 10, 2020
Electrostatic charge image developing toner and electrostatic charge image developer
FUJI XEROX CO LTD0 citations51
US10514623B2Dec 24, 2019
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD0 citations51
US10488776B2Nov 26, 2019
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD0 citations51
US10423087B2Sep 24, 2019
Electrostatic charge image developing toner and electrostatic charge image developer
FUJI XEROX CO LTD0 citations51
US9535362B2Jan 3, 2017
Carrier set for electrostatic charge image developer, electrostatic charge image developer set, and process cartridge
FUJI XEROX CO LTD0 citations51
US9274483B2Mar 1, 2016
Image forming apparatus, image forming method, and computer readable medium having image density adjustment control
FUJI XEROX CO LTD1 citations51
US9164436B2Oct 20, 2015
Fixing device and image forming apparatus
FUJI XEROX CO LTD0 citations51
US9091971B2Jul 28, 2015
Image-forming apparatus
FUJI XEROX CO LTD1 citations51
US8913916B2Dec 16, 2014
Developer, image-forming apparatus, and method for forming image
FUJI XEROX CO LTD1 citations51
US9910372B2Mar 6, 2018
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD0 citations50
US9835962B2Dec 5, 2017
Electrostatic image-developing toner, electrostatic image developer, and toner cartridge
FUJI XEROX CO LTD0 citations41
US9244386B2Jan 26, 2016
Developing device and image forming apparatus
FUJI XEROX CO LTD0 citations41
FUJIFILM BUSINESS INNOVATION CORP
3 patentsUS11181841B2Nov 23, 2021
Toner for electrostatic image development, electrostatic image developer, and toner cartridge
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US12529974B2Jan 20, 2026
Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations50
US11614694B2Mar 28, 2023
Electrostatic image developer, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations50
TAKAHASHI SAKON
2 patentsUS8685608B2Apr 1, 2014
Two-component developer, developer cartridge, process cartridge, and image forming apparatus
TAKAHASHI SAKON0 citations46
US8597866B2Dec 3, 2013
Method of producing a carrier for electrophotography and method of producing a developer for electrophotography
TAKAHASHI SAKON0 citations46