Inventor
KIMURA YOSHIYUKI
JP66 patents
⚠️ This page may combine multiple inventors who share the name “KIMURA YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
41 patentsUS6336020B1Jan 1, 2002
Image forming apparatus having an improved developer-supplying mechanism and method thereof
RICOH KK86 citations98
US6104900AAug 15, 2000
Image forming apparatus having an improved developer-supplying mechanism and method thereof
RICOH KK97 citations98
US6975830B2Dec 13, 2005
Image forming apparatus, process cartridge, and waste toner recovery device
RICOH KK37 citations96
US6122469ASep 19, 2000
Image forming apparatus including a preventing mechanism for preventing a developing unit from rotating
RICOH KK72 citations96
US6072967AJun 6, 2000
PC drum integrated revolving type developing unit with pull-out supporter
RICOH KK51 citations96
US6070037AMay 30, 2000
Image forming apparatus having improved developer limiting member
RICOH KK71 citations96
US5991569ANov 23, 1999
PC drum integrated revolving type developing unit with pull-out supporter
RICOH KK67 citations96
US5574538ANov 12, 1996
Method and apparatus for removing image forming substance from image holding member forming processing situation mark
RICOH KK55 citations95
US7184684B2Feb 27, 2007
Image forming apparatus, process cartridge, and waste toner recovery device
RICOH KK16 citations93
US5918087AJun 29, 1999
Image forming apparatus
RICOH KK49 citations93
US7672605B2Mar 2, 2010
Transfer device and image forming apparatus
RICOH KK22 citations92
US7630659B2Dec 8, 2009
Method and apparatus for image forming capable of effectively performing a charging process
RICOH KK23 citations92
US7292817B2Nov 6, 2007
Image forming apparatus, process cartridge, and waste toner recovery device
RICOH KK15 citations92
US7221887B2May 22, 2007
Image forming apparatus that recovers waste toner inside thereof
RICOH KK25 citations92
US7136610B2Nov 14, 2006
Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself
RICOH KK38 citations92
US7127195B2Oct 24, 2006
Image forming apparatus and image transferring unit for use in the same
RICOH KK17 citations92
US7024133B2Apr 4, 2006
Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself
RICOH KK50 citations92
US6996354B2Feb 7, 2006
Image forming apparatus and image transferring unit for use in the same
RICOH KK34 citations92
USRE37645EApr 9, 2002
Method and apparatus for removing image forming substance from image holding member forming processing situation mark
RICOH KK34 citations92
US6095164AAug 1, 2000
Method and apparatus for removing image forming substance from image holding member
RICOH KK26 citations92
US5753400AMay 19, 1998
Method for repeatedly using image holding member
RICOH KK19 citations92
US5605777AFeb 25, 1997
Method and apparatus for regenerating image holding member
RICOH KK31 citations92
US5547793AAug 20, 1996
Method for using image support regeneratively and tool for forming image on image support
RICOH KK21 citations92
US5640645AJun 17, 1997
Image forming apparatus
RICOH KK39 citations91
US7460810B2Dec 2, 2008
Image forming apparatus having a cleaning roller for a charging roller of the apparatus
RICOH KK17 citations84
US7343132B2Mar 11, 2008
Image forming apparatus and process cartridge including sealable lubricating device
RICOH KK14 citations84
US7305203B2Dec 4, 2007
Image forming apparatus including a process cartridge formed with a hole
RICOH KK13 citations84
US7295796B1Nov 13, 2007
Image forming apparatus having a temporary toner holding device and a toner collecting device
RICOH KK14 citations84
US6993281B2Jan 31, 2006
Image forming apparatus and process cartridge including flexible member
RICOH KK12 citations84
US7542712B2Jun 2, 2009
Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridge
RICOH KK15 citations83
US7477862B2Jan 13, 2009
Charged device, cleaning device, process cartridge, toner, and image-forming device that uses these
RICOH KK13 citations83
US7433615B2Oct 7, 2008
Method of and image forming apparatus for controlling a light exposure condition
RICOH KK9 citations82
US7428393B2Sep 23, 2008
Developing device, process cartridge, device unit, and image forming apparatus having a sealing member
RICOH KK8 citations74
US7421239B2Sep 2, 2008
Cleaning apparatus for removing toner adhered onto endless belt
RICOH KK8 citations74
US7298991B2Nov 20, 2007
Image forming apparatus and image transferring unit for use in the same
RICOH KK7 citations74
US7110699B2Sep 19, 2006
Image forming apparatus and process cartridge for use in the same
RICOH KK8 citations74
US6885836B2Apr 26, 2005
Image forming apparatus limiting heat transfer
RICOH KK9 citations74
US5321466AJun 14, 1994
Image forming equipment with reserve mode to prevent unauthorized cancellation of pending job
RICOH KK8 citations74
US5265855ANov 30, 1993
Copier with document support moving means
RICOH KK10 citations74
US7680429B2Mar 16, 2010
Charging device including charging roller and cleaning roller
RICOH KK7 citations73
US7106991B2Sep 12, 2006
Process cartridge smoothly and stably attached to and detached from an image forming apparatus, and an image forming apparatus including the process cartridge
RICOH KK9 citations73
SUMITOMO METAL IND
2 patentsSENJU PHARMA CO
2 patentsTOSHIBA KK
1 patentFUJITSU LTD
1 patentOTSUKA PHARMA CO LTD
1 patentKISHIMOTO MAKOTO
1 patentKYOCERA CORP
1 patentShowing the top 50 of 66 patents by PatentIndex Score.