Inventor
NARUSE OSAMU
JP34 patents
⚠️ This page may combine multiple inventors who share the name “NARUSE OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
20 patentsUS6799012B2Sep 28, 2004
Cleaning device and image forming apparatus using the same
RICOH KK72 citations98
US5818482AOct 6, 1998
Ink jet printing head
RICOH KK134 citations96
US5146236ASep 8, 1992
Ink jet record apparatus
RICOH KK65 citations95
US7369807B2May 6, 2008
Cleaner, and process cartridge and image forming apparatus using the cleaner
RICOH KK25 citations93
US7184699B2Feb 27, 2007
Cleaning blade for image formation apparatus
RICOH KK21 citations93
US7123872B2Oct 17, 2006
Cleaning device and method, image forming apparatus, and process cartridge
RICOH KK24 citations92
US7062212B2Jun 13, 2006
Cleaning apparatus, image forming apparatus, and process cartridge
RICOH KK29 citations92
US6987944B2Jan 17, 2006
Cleaning device and image forming apparatus using the cleaning device
RICOH KK40 citations92
US5270740ADec 14, 1993
Ink jet head
RICOH KK23 citations92
US4800398AJan 24, 1989
Ink-jet printer with an encased printer head unit
RICOH KK40 citations92
US4847631AJul 11, 1989
Charge and deflection control type ink jet printer
RICOH KK45 citations91
US7415238B2Aug 19, 2008
Cleaning device, process cartridge, and image forming apparatus that include a blade that is pressed against a surface of a rotating member at a surface pressure of 2.0 MPa or more
RICOH KK17 citations90
US7817954B2Oct 19, 2010
Cleaning unit, image carrier unit including same, and image forming apparatus including same
RICOH KK11 citations84
US7620357B2Nov 17, 2009
Image forming apparatus with obtuse-edge cleaning blade
RICOH KK18 citations84
US7610008B2Oct 27, 2009
Cleaning device, and process unit and image forming apparatus including the cleaning device
RICOH KK18 citations84
US7415236B2Aug 19, 2008
Cleaning unit, process cartridge, and image-forming apparatus
RICOH KK18 citations84
US4677845AJul 7, 1987
Device for detecting viscosity of liquid
RICOH KK22 citations82
US5260723ANov 9, 1993
Liquid jet recording head
RICOH KK14 citations72
US4429317AJan 31, 1984
Ink ejection head
RICOH KK12 citations71
US7809321B2Oct 5, 2010
Cleaning device, process cartridge and image forming apparatus
RICOH KK5 citations63
RICOH CO LTD
5 patentsUS8041281B2Oct 18, 2011
Cleaning device, image forming apparatus, and process cartridge
RICOH CO LTD15 citations84
US8019268B2Sep 13, 2011
Polarity controlling device, and cleaner and image forming apparatus using the polarity controlling device
RICOH CO LTD11 citations84
US7929897B2Apr 19, 2011
Cleaning unit, process cartridge, and image forming apparatus using the same
RICOH CO LTD12 citations84
US7903995B2Mar 8, 2011
Cleaning device, image forming apparatus, and process cartridge
RICOH CO LTD10 citations84
US8027628B2Sep 27, 2011
Cleaning device, process cartridge, and image forming apparatus
RICOH CO LTD2 citations60
NARUSE OSAMU
3 patentsUS8280295B2Oct 2, 2012
Cleaning device, image forming apparatus including the device, and process cartridge including the device
NARUSE OSAMU4 citations61
US8190077B2May 29, 2012
Cleaning device and image forming apparatus
NARUSE OSAMU4 citations60
US8326174B2Dec 4, 2012
Cleaning unit for an electrophotographic image forming apparatus having a polarity control member
NARUSE OSAMU0 citations50
HOZUMI YOSHIKI
2 patentsSUGIURA KENJI
2 patentsUS8948647B2Feb 3, 2015
Belt device and image forming apparatus incorporating same having a cleaning device which cleans utilizing different polarities
SUGIURA KENJI0 citations52
US8731431B2May 20, 2014
Belt device and image forming apparatus incorporating same having a cleaning device which cleans utilizing different polarities
SUGIURA KENJI1 citations52