Inventor
SUZUKI TETSURO
JP90 patents
⚠️ This page may combine multiple inventors who share the name “SUZUKI TETSURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
45 patentsUS6030733AFeb 29, 2000
Electrophotographic photoconductor with water vapor permeability
RICOH KK133 citations99
US5871876AFeb 16, 1999
Electrophotographic photoconductor
RICOH KK157 citations99
US5350459ASep 27, 1994
Organic photovoltaic element
RICOH KK150 citations99
US6641964B2Nov 4, 2003
Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK80 citations98
US6326112B1Dec 4, 2001
Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor
RICOH KK117 citations98
US6210848B1Apr 3, 2001
Electrophotographic photoconductor, and process cartridge and image forming apparatus using the same
RICOH KK103 citations98
US6194535B1Feb 27, 2001
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein
RICOH KK85 citations98
US6151468ANov 21, 2000
Electrophotographic photoconductor
RICOH KK105 citations98
US6066428AMay 23, 2000
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein
RICOH KK100 citations98
US5492784AFeb 20, 1996
Positively-chargeable single-layered type electrophotographic photoconductor
RICOH KK106 citations97
US7179573B2Feb 20, 2007
Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same
RICOH KK46 citations96
US7175957B2Feb 13, 2007
Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same
RICOH KK49 citations96
US6936388B2Aug 30, 2005
Electrophotographic photoreceptor, and image forming method, image forming apparatus, and image forming apparatus processing unit using same
RICOH KK59 citations96
US6790572B2Sep 14, 2004
Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK52 citations96
US5853935ADec 29, 1998
Electrophotographic photoconductor
RICOH KK63 citations96
US5840454ANov 24, 1998
Aromatic polycarbonate and electrophotographic photosensitive medium using same
RICOH KK62 citations96
US5747204AMay 5, 1998
Electrophotographic photoconductor and aromatic polycarbonate resin for use in the same
RICOH KK56 citations96
US5723243AMar 3, 1998
Electrophotographic photoconductor and aromatic polycarbonate resin for use therein
RICOH KK57 citations96
US4672149AJun 9, 1987
Photoelectric transducer element
RICOH KK63 citations96
US7361438B2Apr 22, 2008
Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same
RICOH KK19 citations93
US7160658B2Jan 9, 2007
Electrophotographic photoreceptor, and image forming method, image forming apparatus, and image forming apparatus processing unit using same
RICOH KK31 citations93
US6858362B2Feb 22, 2005
Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK24 citations93
US5830980ANov 3, 1998
Electrophotographic photoconductor, aromatic polycarbonate resin for use in the same, and method of producing the aromatic polycarbonate resin
RICOH KK28 citations93
US5264048ANov 23, 1993
Photoelectric conversion device
RICOH KK42 citations93
US5006915AApr 9, 1991
Electric device and photoelectric conversion device comprising the same
RICOH KK27 citations93
US4992109AFeb 12, 1991
Photoelectric conversion element
RICOH KK28 citations93
US7416823B2Aug 26, 2008
Electrophotographic photoconductor, and image formation method, image formation apparatus, and process cartridge for image formation apparatus using the same
RICOH KK27 citations92
US7251437B2Jul 31, 2007
Image formation apparatus having a body to be charged with specified properties and including the use of a protective material
RICOH KK44 citations92
US6844124B2Jan 18, 2005
Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK31 citations92
US6018014AJan 25, 2000
Aromatic polycarbonate and electrophotographic photosensitive medium using same
RICOH KK41 citations92
US5486438AJan 23, 1996
Electrophotographic photoconductor
RICOH KK25 citations92
US5350653ASep 27, 1994
Electrophotographic photoconductor
RICOH KK28 citations92
US7560203B2Jul 14, 2009
Electrophotographic photoreceptor, method of image formation, image formation apparatus and process cartridge for image formation apparatus
RICOH KK12 citations84
US7473504B2Jan 6, 2009
Electrophotographic photoreceptor, and image forming method, apparatus and process cartridge therefor using the photoreceptor
RICOH KK9 citations84
US7279260B2Oct 9, 2007
Electrophotographic photoconductor having a crosslinked resin layer and method of preparing an electrophotographic photoconductor
RICOH KK12 citations84
US7399563B2Jul 15, 2008
Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same
RICOH KK13 citations82
US4874481AOct 17, 1989
N,N'-diphenylbenzidine polymer and method of producing the same
RICOH KK22 citations82
US5387487AFeb 7, 1995
Electrophotographic photoconductor
RICOH KK19 citations80
US7556903B2Jul 7, 2009
Electrophotographic photoreceptor, and image forming method, apparatus and process cartridge therefor using the photoreceptor
RICOH KK7 citations74
US7507509B2Mar 24, 2009
Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the electrophotographic photoreceptor
RICOH KK7 citations74
US7371490B2May 13, 2008
Photoconductor, image forming apparatus, image forming process, and process cartridge
RICOH KK7 citations74
US7186490B1Mar 6, 2007
Photosensitive material, electrophotographic photoreceptor using the material, and electrophotographic image forming method and apparatus using the photoreceptor
RICOH KK9 citations74
US5126802AJun 30, 1992
Electric device
RICOH KK9 citations74
US7718333B2May 18, 2010
Electrophotographic photoconductor and method of preparing same
RICOH KK2 citations63
US7629103B2Dec 8, 2009
Photoconductor, manufacturing method thereof, image forming process and image forming apparatus using photoconductor, and process cartridge
RICOH KK4 citations63
TOSHIBA KK
1 patentNAGAI KAZUKIYO
1 patentFUJIWARA YUKIO
1 patentSEIKOSHA KK
1 patentRICOH CO LTD
1 patentShowing the top 50 of 90 patents by PatentIndex Score.