Inventor
OZAKI YOSHIFUMI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “OZAKI YOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
19 patentsUS6349183B1Feb 19, 2002
Image forming apparatus
FUJI XEROX CO LTD34 citations91
US5752141AMay 12, 1998
Rotating type developing apparatus
FUJI XEROX CO LTD36 citations91
US10877400B1Dec 29, 2020
Developing device and image forming apparatus
FUJI XEROX CO LTD11 citations85
US10996588B1May 4, 2021
Powder transport apparatus
FUJI XEROX CO LTD2 citations73
US7903988B2Mar 8, 2011
Image forming apparatus capable of detecting ghost image
FUJI XEROX CO LTD4 citations62
US7702264B2Apr 20, 2010
Image forming apparatus
FUJI XEROX CO LTD5 citations62
US7536140B2May 19, 2009
Developer holding member, method of producing a developer holding member, developing apparatus and image-forming apparatus
FUJI XEROX CO LTD2 citations60
US7986899B2Jul 26, 2011
Development unit, process cartridge and image forming apparatus
FUJI XEROX CO LTD0 citations52
US10921733B1Feb 16, 2021
Developing device and image forming apparatus having developer replenishing blade
FUJI XEROX CO LTD0 citations51
US10908528B2Feb 2, 2021
Developing device and image forming apparatus
FUJI XEROX CO LTD0 citations51
US9804524B2Oct 31, 2017
Developing device and image forming apparatus
FUJI XEROX CO LTD0 citations51
US9400449B1Jul 26, 2016
Image forming apparatus, image forming method, and non-transitory computer readable medium
FUJI XEROX CO LTD1 citations51
US9383682B1Jul 5, 2016
Developing device including a first transport path and a second transport path including a plurality of flow paths and image forming apparatus
FUJI XEROX CO LTD0 citations51
US10591843B2Mar 17, 2020
Image forming apparatus and developing device
FUJI XEROX CO LTD0 citations48
US10739699B1Aug 11, 2020
Developing device having a delivery unit to transport collected developer and image forming apparatus having the same
FUJI XEROX CO LTD0 citations41
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 patentsUS11506995B2Nov 22, 2022
Developing device and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations51
US11609511B2Mar 21, 2023
Developing device and image forming apparatus having a reverse helical blade on a downstream end of a developer transport path
FUJIFILM BUSINESS INNOVATION CORP0 citations50
US11506997B1Nov 22, 2022
Developing device and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations50
US11036162B1Jun 15, 2021
Powder transport apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations50