Inventor

KITAGAWA SOICHIRO

JP13 patents

⚠️ This page may combine multiple inventors who share the name “KITAGAWA SOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJI XEROX CO LTD

8 patents

US7713669B2May 11, 2010

Toner for developing electrostatic images, electrostatic image developer, and image-forming method

FUJI XEROX CO LTD7 citations73

US7642031B2Jan 5, 2010

Electrophotographic toner and electrophotographic developer and image forming method

FUJI XEROX CO LTD6 citations72

US10266713B2Apr 23, 2019

Particle dispersion liquid, aqueous ink, ink cartridge, recording apparatus, and recording method

FUJI XEROX CO LTD2 citations71

US8906588B2Dec 9, 2014

Electrostatic charge image developing toner, method of manufacturing electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming method

FUJI XEROX CO LTD3 citations61

US9285696B2Mar 15, 2016

Electrostatic charge image developing toner, electrostatic charge image developer, and toner container

FUJI XEROX CO LTD2 citations60

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

US9329511B2May 3, 2016

Electrostatic charge image developing toner and toner container

FUJI XEROX CO LTD0 citations50

US9005863B2Apr 14, 2015

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

FUJI XEROX CO LTD0 citations50

KITAGAWA SOICHIRO

2 patents

US8409776B2Apr 2, 2013

Toner for developing electrostatic image, method for preparing toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, image forming method, and image forming apparatus

KITAGAWA SOICHIRO0 citations44

US8139982B2Mar 20, 2012

Image formation apparatus and printed item

KITAGAWA SOICHIRO0 citations34

FUJIFILM BUSINESS INNOVATION CORP

1 patent

US11046852B2Jun 29, 2021

Resin molded product and resin composition

FUJIFILM BUSINESS INNOVATION CORP0 citations59

FUJIFILM CORP

1 patent

US10640669B2May 5, 2020

Carbon black composition for manufacturing particulate magnetic recording medium and method of manufacturing particulate magnetic recording medium

FUJIFILM CORP0 citations50

TAKAGI SHINPEI

1 patent

US8663890B2Mar 4, 2014

Electrostatic charge image developing toner and manufacturing method thereof, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

TAKAGI SHINPEI0 citations45