P

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 patents
US6030733AFeb 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 patent

NAGAI KAZUKIYO

1 patent

FUJIWARA YUKIO

1 patent

SEIKOSHA KK

1 patent

RICOH CO LTD

1 patent

Showing the top 50 of 90 patents by PatentIndex Score.