Inventor
KITAJIMA KATSUYUKI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “KITAJIMA KATSUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
25 patentsUS9354558B1May 31, 2016
Image forming apparatus and image forming method
FUJI XEROX CO LTD3 citations73
US9547256B2Jan 17, 2017
Developing device, image forming apparatus, and process cartridge
FUJI XEROX CO LTD2 citations71
US9367001B1Jun 14, 2016
Image forming apparatus and image forming method
FUJI XEROX CO LTD5 citations71
US10656558B1May 19, 2020
Image forming apparatus and toner cartridge
FUJI XEROX CO LTD1 citations62
US10613466B1Apr 7, 2020
Image forming apparatus
FUJI XEROX CO LTD1 citations62
US9529291B2Dec 27, 2016
Image forming apparatus and image forming method
FUJI XEROX CO LTD2 citations62
US10564565B1Feb 18, 2020
Electrophotographic image forming apparatus
FUJI XEROX CO LTD1 citations61
US10394179B1Aug 27, 2019
Image forming apparatus with cleaning unit
FUJI XEROX CO LTD1 citations61
US10948848B1Mar 16, 2021
Image forming apparatus and toner cartridge
FUJI XEROX CO LTD0 citations51
US10466607B2Nov 5, 2019
Image forming apparatus
FUJI XEROX CO LTD0 citations41
US10120295B2Nov 6, 2018
Image forming apparatus
FUJI XEROX CO LTD0 citations41
US9983517B2May 29, 2018
Image forming apparatus
FUJI XEROX CO LTD0 citations41
US9983494B2May 29, 2018
Image forming apparatus
FUJI XEROX CO LTD0 citations41
US9964877B2May 8, 2018
Image forming apparatus
FUJI XEROX CO LTD0 citations41
US9874836B1Jan 23, 2018
Image forming apparatus using a developer containing a specific toner
FUJI XEROX CO LTD0 citations41
US10719041B2Jul 21, 2020
Image forming apparatus
FUJI XEROX CO LTD0 citations40
US10558150B1Feb 11, 2020
Image forming apparatus
FUJI XEROX CO LTD0 citations40
US10488773B2Nov 26, 2019
Image forming apparatus comprising a supplying device including a storage and a transport unit
FUJI XEROX CO LTD0 citations40
US10180650B2Jan 15, 2019
Image forming apparatus
FUJI XEROX CO LTD0 citations40
US10175612B2Jan 8, 2019
Image forming apparatus
FUJI XEROX CO LTD0 citations40
US10152008B2Dec 11, 2018
Image forming apparatus
FUJI XEROX CO LTD0 citations40
US10133221B2Nov 20, 2018
Image forming apparatus
FUJI XEROX CO LTD0 citations40
US9244392B2Jan 26, 2016
Image forming apparatus with oriented flake shape toner
FUJI XEROX CO LTD0 citations40
US9058001B2Jun 16, 2015
Image forming apparatus
FUJI XEROX CO LTD0 citations40
US9720356B2Aug 1, 2017
Image forming apparatus and image forming method
FUJI XEROX CO LTD0 citations39
FUJIFILM BUSINESS INNOVATION CORP
3 patentsUS11630402B2Apr 18, 2023
Particle conveying device and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations60
US12346048B2Jul 1, 2025
Image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations51
US11796939B2Oct 24, 2023
Conveying device and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations50
SAITO YUTAKA
2 patentsUS9052622B2Jun 9, 2015
Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus and image forming method
SAITO YUTAKA1 citations51
US8507167B2Aug 13, 2013
Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge and image forming apparatus
SAITO YUTAKA0 citations51
KITAJIMA KATSUYUKI
2 patentsUS9389581B2Jul 12, 2016
Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, and image forming apparatus
KITAJIMA KATSUYUKI0 citations46
US8735036B2May 27, 2014
Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
KITAJIMA KATSUYUKI0 citations46