Inventor
KOSUGE KATSUHIRO
JP37 patents
⚠️ This page may combine multiple inventors who share the name “KOSUGE KATSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
19 patentsUS6141520AOct 31, 2000
Developing device for image forming apparatus and toner container therefor
RICOH KK53 citations96
US5826146AOct 20, 1998
Color image forming device which changes developing bias when switching between developer units
RICOH KK49 citations96
US5768664AJun 16, 1998
Toner container for a rotary developing device
RICOH KK54 citations96
US5765059AJun 9, 1998
Developing device for image forming apparatus and toner container therefor
RICOH KK78 citations96
US5758235AMay 26, 1998
Toner container for a rotary developing device
RICOH KK63 citations96
US5671470ASep 23, 1997
Color image forming device which changes developing bias when switching between developer units
RICOH KK53 citations96
US5956549ASep 21, 1999
Rotary developing device for an image forming apparatus
RICOH KK19 citations93
US5940664AAug 17, 1999
Agitation and charging device for an image forming apparatus
RICOH KK24 citations93
US5850586ADec 15, 1998
Rotary developing device for an image forming apparatus
RICOH KK21 citations93
US5787328AJul 28, 1998
Rotary developing device for an image forming apparatus
RICOH KK33 citations93
US5768662AJun 16, 1998
Toner supply cartridge for rotary developing device
RICOH KK23 citations93
US5761576AJun 2, 1998
Image forming apparatus for supplying power to members of a rotary developing device
RICOH KK26 citations93
US5646721AJul 8, 1997
Image forming apparatus for supplying power to members of a rotary developing device
RICOH KK34 citations93
US5617198AApr 1, 1997
Image forming apparatus having rotary developing device
RICOH KK34 citations93
US5612769AMar 18, 1997
Submodular unit for use in a modular rotary developing apparatus
RICOH KK25 citations93
US5552877ASep 3, 1996
Image forming apparatus with controlled drive for accurately positioning developing sections of a rotary developing device
RICOH KK45 citations93
US5887217AMar 23, 1999
Image forming apparatus that searches for toner cartridges in need of replacement
RICOH KK27 citations92
US5862430AJan 19, 1999
Image forming apparatus with a sensing device that determines the presence or absence of a toner cartridge
RICOH KK25 citations92
US6546228B2Apr 8, 2003
Image forming apparatus conveniently upgradable to a duplex image forming apparatus
RICOH KK21 citations91
TAKAHASHI WATARU
6 patentsUS9725276B2Aug 8, 2017
Sheet processing device incuding a stacked-sheet-count limiting unit configured to limit the number of sheets holdable in the sheet tray and image forming system
TAKAHASHI WATARU7 citations84
US9440478B2Sep 13, 2016
Paper binding device, paper processing apparatus, image forming apparatus, and image forming system
TAKAHASHI WATARU16 citations84
US9254621B2Feb 9, 2016
Method for attaching crimping members, sheet binding device, and image forming apparatus
TAKAHASHI WATARU11 citations84
US9090051B2Jul 28, 2015
Sheet binding device, sheet processing apparatus, image forming apparatus, image forming system, and sheet binding method
TAKAHASHI WATARU13 citations84
US10562733B2Feb 18, 2020
Sheet processing device including a staple binding unit and a stapleless binding unit and image forming system
TAKAHASHI WATARU2 citations73
US10807827B2Oct 20, 2020
Stack limiting unit for sheet processing device
TAKAHASHI WATARU0 citations52
SUZUKI NOBUYOSHI
3 patentsUS10097711B2Oct 9, 2018
Sheet processing device and image forming system
SUZUKI NOBUYOSHI6 citations73
US8991808B2Mar 31, 2015
Sheet processing apparatus, image forming system, and sheet binding method
SUZUKI NOBUYOSHI5 citations73
US8905395B2Dec 9, 2014
Sheet processing apparatus, image forming system, and sheet processing method
SUZUKI NOBUYOSHI2 citations63