P

Inventor

KAMI HIDETOSHI

JP59 patents
⚠️ This page may combine multiple inventors who share the name “KAMI HIDETOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

29 patents
US6030733AFeb 29, 2000

Electrophotographic photoconductor with water vapor permeability

RICOH KK133 citations99
US5871876AFeb 16, 1999

Electrophotographic photoconductor

RICOH KK157 citations99
US6861188B2Mar 1, 2005

Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the photoreceptor

RICOH KK77 citations98
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
US6151468ANov 21, 2000

Electrophotographic photoconductor

RICOH KK105 citations98
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
US6653033B1Nov 25, 2003

Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same

RICOH KK46 citations95
US6573016B2Jun 3, 2003

Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same

RICOH KK71 citations95
US7160658B2Jan 9, 2007

Electrophotographic photoreceptor, and image forming method, image forming apparatus, and image forming apparatus processing unit using same

RICOH KK31 citations93
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
US6858362B2Feb 22, 2005

Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor

RICOH KK24 citations93
US7341814B2Mar 11, 2008

Electrophotographic photoconductor, preparation method thereof, electrophotographic apparatus and process cartridge

RICOH KK19 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
US6844124B2Jan 18, 2005

Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor

RICOH KK31 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
US7177570B2Feb 13, 2007

Measurement of frictional resistance of photoconductor against belt in image forming apparatus, process cartridge, and image forming method

RICOH KK20 citations84
US6879799B2Apr 12, 2005

Image-forming apparatus and image-forming process-cartridge

RICOH KK14 citations84
US7315722B2Jan 1, 2008

Image forming apparatus and image forming method

RICOH KK17 citations79
US7060404B2Jun 13, 2006

Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor and image forming apparatus using the electrophotographic photoreceptor

RICOH KK8 citations74
US7709170B2May 4, 2010

Latent electrostatic image bearing member, and process cartridge, image forming apparatus and image forming method

RICOH KK4 citations63
US7282529B2Oct 16, 2007

Coating liquid for an electrographic photoreceptor and a method of preparation using a ball mill

RICOH KK2 citations63
US7127196B2Oct 24, 2006

Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor and image forming apparatus using the electrophotographic photoreceptor

RICOH KK4 citations63
US7718335B2May 18, 2010

Image bearing member, and image forming apparatus and process cartridge using the same

RICOH KK4 citations62
US7482104B2Jan 27, 2009

Toner, developer, toner container and latent electrostatic image carrier, and process cartridge, image forming method, and image forming apparatus using the same

RICOH KK2 citations62
US7386256B2Jun 10, 2008

Toner, developer, toner container and latent electrostatic image carrier, and process cartridge, image forming method, and image forming apparatus using the same

RICOH KK2 citations62
US7270924B2Sep 18, 2007

Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor

RICOH KK1 citations52

KAMI HIDETOSHI

10 patents
US12429786B2Sep 30, 2025

Electronic device and method for producing the same, image forming method, and image forming apparatus

KAMI HIDETOSHI0 citations62
US8170449B2May 1, 2012

Image forming apparatus and process cartridge

KAMI HIDETOSHI2 citations62
US8084170B2Dec 27, 2011

Electrophotographic photoconductor, electrophotographic process cartridge containing the same and electrophotographic apparatus containing the same

KAMI HIDETOSHI4 citations62
US12577405B2Mar 17, 2026

Alumina powder and method of producing the same, and stack and method of producing the same

KAMI HIDETOSHI0 citations52
US12429787B2Sep 30, 2025

Electronic device and method for producing the same, image forming method, and image forming apparatus

KAMI HIDETOSHI0 citations51
US10545417B1Jan 28, 2020

Electrophotographic photoconductor, image forming apparatus, and image forming method

KAMI HIDETOSHI0 citations51
US8795935B2Aug 5, 2014

Electrophotographic photoconductor, production method of the same, image forming apparatus, and process cartridge

KAMI HIDETOSHI1 citations51
US8597863B2Dec 3, 2013

Electrophotographic photoreceptor, method of manufacturing electrophotographic photoreceptor, process cartridge, and image forming apparatus

KAMI HIDETOSHI1 citations51
US8512924B2Aug 20, 2013

Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the photoreceptor

KAMI HIDETOSHI1 citations51
US8119317B2Feb 21, 2012

Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor

KAMI HIDETOSHI1 citations51

RICOH CO LTD

4 patents

FUJIWARA YUKIO

3 patents

EGAWA KAZUHIRO

2 patents

OHSHIMA KOHICHI

1 patent

ASANO TOMOHARU

1 patent

Showing the top 50 of 59 patents by PatentIndex Score.