Inventor
NAKAMORI HIDEO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMORI HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITA INDUSTRIAL CO LTD
14 patentsUS5994012ANov 30, 1999
Naphthoquinone derivative and electrophotosensitive material using same
MITA INDUSTRIAL CO LTD19 citations92
US5863688AJan 26, 1999
Naphthoquinone derivative
MITA INDUSTRIAL CO LTD26 citations92
US5550290AAug 27, 1996
Benzidine derivative and electrophotosensitive material using the same
MITA INDUSTRIAL CO LTD35 citations92
US5324610AJun 28, 1994
Electrophotographic organic photosensitive material with diphenoquinone derivative
MITA INDUSTRIAL CO LTD22 citations92
US5826153AOct 20, 1998
Image-forming machine
MITA INDUSTRIAL CO LTD7 citations74
US5328789AJul 12, 1994
Electrophotographic organic photoconductor
MITA INDUSTRIAL CO LTD14 citations74
US5830615ANov 3, 1998
Naphthylenediamine derivative and electrophotosensitive material using the same
MITA INDUSTRIAL CO LTD8 citations73
US5600422AFeb 4, 1997
Image-forming apparatus employing a reversal developing system
MITA INDUSTRIAL CO LTD10 citations73
US5494765AFeb 27, 1996
Electrophotosensitive material using a phenylenediamine derivative
MITA INDUSTRIAL CO LTD9 citations73
US5462825AOct 31, 1995
Electrophotographic photoconductor having a photosensitive layer with charge generating particles and a charge transporting material dispersed in a binder
MITA INDUSTRIAL CO LTD10 citations73
US5449580ASep 12, 1995
Organic photosensitive material for electrophotography
MITA INDUSTRIAL CO LTD18 citations73
US5514508AMay 7, 1996
Electrophotosensitive material
MITA INDUSTRIAL CO LTD11 citations72
US5843606ADec 1, 1998
Phenanthrylenediamine derivative
MITA INDUSTRIAL CO LTD2 citations62
US5767315AJun 16, 1998
Naphthylenediamine derivative
MITA INDUSTRIAL CO LTD3 citations62
RICOH KK
7 patentsUS7314693B2Jan 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
US7027759B2Apr 11, 2006
Apparatus having endless belt with roughened guide
RICOH KK16 citations92
US6816691B2Nov 9, 2004
Apparatus having endless belt with roughened guide
RICOH KK37 citations92
US7486914B2Feb 3, 2009
Electrophotographic image forming apparatus, process cartridge and image forming method wherein lubricant is supplied to a surface of an image bearing member
RICOH KK18 citations83
US7274898B2Sep 25, 2007
Process cartridge, image forming method, and image forming apparatus
RICOH KK14 citations83
US7729634B2Jun 1, 2010
Image forming apparatus, image forming method, and process cartridge
RICOH KK3 citations62
RICOH CO LTD
4 patentsUS8007972B2Aug 30, 2011
Electrophotographic photoconductor, 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
US7995950B2Aug 9, 2011
Image forming apparatus, image forming method and process cartridge involving the use of a cleaning blade that removes toner remaining on a surface of an image bearing member
RICOH CO LTD0 citations42