Inventor
IKEGAMI TAKAAKI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “IKEGAMI TAKAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
19 patentsUS6861188B2Mar 1, 2005
Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the photoreceptor
RICOH KK77 citations98
US6030736AFeb 29, 2000
Electrophotographic photoconductor with polysiloxane mixture
RICOH KK87 citations97
US5578405ANov 26, 1996
Electrophotographic photoconductor containing disazo and trisazo pigments
RICOH KK125 citations97
US5702855ADec 30, 1997
Electrophotographic photoconductor containing a mixture of a phenol compound and an organic sulfur-containing compound
RICOH KK55 citations96
US7018755B2Mar 28, 2006
Electrophotographic photoconductor, electrophotography method using the same, electrophotographic apparatus, electrographic apparatus process cartridge and electrophotographic photoconductor outermost surface layer coating solution
RICOH KK48 citations93
US7314693B2Jan 1, 2008
Electrophotographic photoconductor, electrophotographic process, electrophotographic apparatus, and process cartridge
RICOH KK52 citations92
US7267916B2Sep 11, 2007
Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor
RICOH KK48 citations92
US7212777B2May 1, 2007
Image forming apparatus used in electrostatic process
RICOH KK20 citations92
US7031650B2Apr 18, 2006
Image forming apparatus and copier
RICOH KK14 citations92
US6853823B2Feb 8, 2005
Electrophotographic photoreceptor and image forming apparatus using the photoreceptor
RICOH KK21 citations92
US6853834B2Feb 8, 2005
Image forming apparatus and copier
RICOH KK22 citations92
US6824939B2Nov 30, 2004
Electrophotographic image forming method and apparatus
RICOH KK38 citations92
US7381511B2Jun 3, 2008
Photoreceptor, image forming method and image forming apparatus using the photoreceptor, process cartridge using the photoreceptor and coating liquid for the photoreceptor
RICOH KK27 citations91
US7177583B2Feb 13, 2007
Image forming apparatus and copier
RICOH KK10 citations84
US7112392B2Sep 26, 2006
Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge for image forming apparatus using the electrophotographic photoreceptor
RICOH KK18 citations84
US6777149B2Aug 17, 2004
Electrophotographic image forming apparatus and process cartridge, and electrophotographic photoreceptor therefor
RICOH KK19 citations84
US7391994B2Jun 24, 2008
Image forming apparatus, image forming process, and process cartridge for image forming apparatus
RICOH KK6 citations63
US7220522B2May 22, 2007
Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the electrophotographic photoreceptor
RICOH KK6 citations63
US7781134B2Aug 24, 2010
Electrophotographic photoreceptor, image forming method, image forming apparatus and process cartridge for the image forming apparatus
RICOH KK0 citations42
RICOH CO LTD
4 patentsUS7851114B2Dec 14, 2010
Electrostatic latent image bearing member, and image forming apparatus, process cartridge, and image forming method using the same
RICOH CO LTD2 citations63
US8349529B2Jan 8, 2013
Electrophotographic photoconductor, and electrophotographic method, electrophotographic apparatus and process cartridge containing the electrophotographic photoconductor
RICOH CO LTD2 citations62
US7964327B2Jun 21, 2011
Electrophotographic photoreceptor and method of preparing the photoreceptor, and image forming apparatus, image forming method and process cartridge using the photoreceptor
RICOH CO LTD2 citations62
US7879519B2Feb 1, 2011
Image bearing member and image forming apparatus using the same
RICOH CO LTD2 citations62