Inventor
KOSUGE AKIO
JP53 patents
⚠️ This page may combine multiple inventors who share the name “KOSUGE AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
25 patentsUS6567637B2May 20, 2003
Apparatus and method for replenishing a developing device with toner while suppressing toner remaining
RICOH KK105 citations98
US6505022B2Jan 7, 2003
Image forming apparatus having protective layer on the surface of image bearing member to avoid adhesion of film of additives to image bearing member
RICOH KK110 citations98
US6249304B1Jun 19, 2001
Image forming apparatus and image forming method for forming color images by gray-level image forming technique
RICOH KK141 citations98
US6775511B2Aug 10, 2004
Image forming apparatus capable of adjusting an amount of lubricant to be applied onto an image carrier
RICOH KK70 citations96
US6768879B2Jul 27, 2004
Image forming apparatus that applies lubricant to a surface of image carrier
RICOH KK56 citations96
US6748190B2Jun 8, 2004
Apparatus and method for replenishing a developing device with toner while suppressing toner remaining
RICOH KK42 citations96
US6576388B2Jun 10, 2003
Multilayer electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the photoreceptor
RICOH KK68 citations96
US6122468ASep 19, 2000
Method and apparatus for forming toner images
RICOH KK82 citations96
US6961529B2Nov 1, 2005
Charging device using a charge roller and image forming apparatus including the same
RICOH KK18 citations92
US6560438B2May 6, 2003
Method for removing deposit from image substrate and image formation apparatus using the method
RICOH KK24 citations92
US7778560B2Aug 17, 2010
Image forming apparatus and method of adjusting charge bias
RICOH KK10 citations84
US7756439B2Jul 13, 2010
Image forming apparatus and process cartridge used therein
RICOH KK11 citations84
US7680446B2Mar 16, 2010
Cleaning device, process cartridge and image forming apparatus
RICOH KK12 citations84
US7302197B2Nov 27, 2007
Image forming apparatus having a detachable process cartridge and a lubricant
RICOH KK11 citations84
US7289748B2Oct 30, 2007
Apparatus and method for replenishing a developing device with toner while suppressing toner remaining
RICOH KK10 citations84
US7218880B2May 15, 2007
Apparatus and method for replenishing a developing device with toner while suppressing toner remaining
RICOH KK10 citations84
US7155146B2Dec 26, 2006
Method and apparatus for electro photographic image forming capable of effectively performing an evenly charging operation
RICOH KK14 citations84
US7340200B2Mar 4, 2008
Charging unit and image forming apparatus incorporating the unit
RICOH KK8 citations74
US7113727B2Sep 26, 2006
Charging device using a charge roller and image forming apparatus including the same
RICOH KK8 citations74
US6990305B2Jan 24, 2006
Charging device using a charge roller and image forming apparatus including the same
RICOH KK10 citations73
US7756447B2Jul 13, 2010
Image forming apparatus and method of preparing toner for use in image forming apparatus
RICOH KK2 citations63
US7702257B2Apr 20, 2010
Image forming apparatus with image bearing member having a lubricant
RICOH KK3 citations63
US7551879B2Jun 23, 2009
Charging device, process unit, image forming apparatus, and method for producing rotating member
RICOH KK4 citations63
US7603063B2Oct 13, 2009
Method and apparatus for electro photographic image forming capable of effectively performing an evenly charging operation
RICOH KK1 citations52
US7596344B2Sep 29, 2009
Charging unit and image forming apparatus incorporating the unit
RICOH KK0 citations52
RICOH CO LTD
6 patentsUS8380115B2Feb 19, 2013
Lubricant applicator, image forming apparatus, and process cartridge
RICOH CO LTD9 citations84
US7899383B2Mar 1, 2011
Lubricating device, lubricant applicator, and priming agent used therewith
RICOH CO LTD8 citations84
US7894758B2Feb 22, 2011
Image forming apparatus, image forming device charging device and lubricant supplying device constitution
RICOH CO LTD7 citations84
US7873291B2Jan 18, 2011
Image forming apparatus and process cartridge including charging bias adjustment control
RICOH CO LTD8 citations84
US7835683B2Nov 16, 2010
Cleaning unit, image carrying unit and image forming apparatus using the same
RICOH CO LTD4 citations63
US7995947B2Aug 9, 2011
Image forming apparatus, and charging device and process cartridge used in the image forming apparatus
RICOH CO LTD0 citations52
KOSUGE AKIO
4 patentsUS9651910B2May 16, 2017
Image forming apparatus incorporating line sensor
KOSUGE AKIO2 citations71
US11226571B2Jan 18, 2022
Image forming apparatus that controls a charging bias based on an estimated surface potential
KOSUGE AKIO0 citations50
US8913923B2Dec 16, 2014
Image forming apparatus with neutralizer and image forming method
KOSUGE AKIO1 citations50
US8457541B2Jun 4, 2013
Image forming apparatus
KOSUGE AKIO0 citations40
SHINTANI TAKESHI
3 patentsUS8315535B2Nov 20, 2012
Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating the cleaning unit
SHINTANI TAKESHI3 citations61
US8095059B2Jan 10, 2012
Image forming apparatus with coating mode
SHINTANI TAKESHI2 citations61
US8280293B2Oct 2, 2012
Image forming apparatus
SHINTANI TAKESHI0 citations40
KUDO NORIO
2 patentsTOMITA DAISUKE
2 patentsHATORI SATOSHI
2 patentsKOIKE TOSHIO
1 patentKAWAHARA SHINICHI
1 patentISHIBASHI HITOSHI
1 patentSAITOH KAZUYA
1 patentISAWA TAKAYUKI
1 patentTAMOTO NOZOMU
1 patentShowing the top 50 of 53 patents by PatentIndex Score.