Inventor
SUGINO AKIHIRO
JP40 patents
⚠️ This page may combine multiple inventors who share the name “SUGINO AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
22 patentsUS6741821B2May 25, 2004
Image forming apparatus, and process cartridge for use in image forming apparatus
RICOH KK71 citations98
US6618565B2Sep 9, 2003
Transfer bias applying method for an image forming apparatus and device for the same
RICOH KK80 citations98
US6829450B2Dec 7, 2004
Transfer bias applying method for an image forming apparatus and device for the same
RICOH KK59 citations96
US6785500B2Aug 31, 2004
Image forming apparatus including image transfer body with elastic layer and coating layer
RICOH KK65 citations96
US6830858B2Dec 14, 2004
Electrophotographic photosensitive member, preparation method thereof, image forming process, apparatus and process cartridge using the same
RICOH KK19 citations93
US6777150B2Aug 17, 2004
Coating liquid for an intermediate layer of electrophotographic photoconductor, manufacturing method thereof, electrophotographic photoconductor, electrophotographic apparatus, and electrophotographic photoconductor process cartridge using same
RICOH KK17 citations93
US7346287B2Mar 18, 2008
Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer device
RICOH KK25 citations92
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
US7027759B2Apr 11, 2006
Apparatus having endless belt with roughened guide
RICOH KK16 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
US6816691B2Nov 9, 2004
Apparatus having endless belt with roughened guide
RICOH KK37 citations92
US7177583B2Feb 13, 2007
Image forming apparatus and copier
RICOH KK10 citations84
US6777149B2Aug 17, 2004
Electrophotographic image forming apparatus and process cartridge, and electrophotographic photoreceptor therefor
RICOH KK19 citations84
US7010247B2Mar 7, 2006
Coating liquid for an intermediate layer of electrophotographic photoconductor, manufacturing method thereof, electrophotographic photoconductor, electrophotographic apparatus, and electrophotographic photoconductor process cartridge using same
RICOH KK8 citations74
US7005006B2Feb 28, 2006
Coating liquid for an intermediate layer of electrophotographic photoconductor, manufacturing method thereof, electrophotographic photoconductor, electrophotographic apparatus, and electrophotographic photoconductor process cartridge using same
RICOH KK8 citations74
US7531278B2May 12, 2009
Electrostatic latent image bearer, and image forming method, image forming apparatus and process cartridge using the electrostatic latent image bearer
RICOH KK7 citations68
US7391994B2Jun 24, 2008
Image forming apparatus, image forming process, and process cartridge for image forming apparatus
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
5 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
US9031491B2May 12, 2015
Image forming apparatus and process cartridge
RICOH CO LTD3 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
US7897313B2Mar 1, 2011
Electrostatic latent image bearing member, and image forming apparatus and process cartridge using the electrostatic latent image bearing member
RICOH CO LTD1 citations52
US8383305B2Feb 26, 2013
Image forming apparatus
RICOH CO LTD0 citations41
KAMI HIDETOSHI
4 patentsUS10845738B2Nov 24, 2020
Image forming method, image forming apparatus, and process cartridge
KAMI HIDETOSHI0 citations50
US10416594B2Sep 17, 2019
Image forming method, image forming apparatus, and process cartridge
KAMI HIDETOSHI0 citations50
US9989868B2Jun 5, 2018
Photoconductor, image forming method using the same, method of manufacturing the photoconductor, and image forming apparatus
KAMI HIDETOSHI0 citations38
US9523930B2Dec 20, 2016
Photoconductor, and image forming method and image forming apparatus using the same
KAMI HIDETOSHI0 citations38
KAWASAKI YOSHIAKI
2 patentsUS8126360B2Feb 28, 2012
Temperature control unit for electrophotographic photoconductor substrate
KAWASAKI YOSHIAKI4 citations55
US8927183B2Jan 6, 2015
Electrophotographic photoreceptor, method for preparing the electrophotographic photoreceptor, and image forming method and apparatus and process cartridge using the electrophotographic photoreceptor
KAWASAKI YOSHIAKI1 citations51