Inventor

Hidetoshi Kami

Inventor

Numazu, JP

Overview

1999–2020

Patent span

Physics

Primary field (CPC G)

Patents· 54 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography87%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%

H04NPictorial communication, e.g. television3%

PatentTitleYear

10,845,738Image forming method, image forming apparatus, and process cartridge2020 10,585,366Image forming apparatus2020 10,545,417Electrophotographic photoconductor, image forming apparatus, and image forming method2020 10,416,594Image forming method, image forming apparatus, and process cartridge2019 10,114,302Photoconductor, image forming apparatus, and process cartridge2018 9,989,868Photoconductor, image forming method using the same, method of manufacturing the photoconductor, and image forming apparatus2018 9,740,116'Photoconductor, and image forming method and image forming apparatus using the photoconductor'2017 9,523,930'Photoconductor, and image forming method and image forming apparatus using the same'2016 9,046,863'Image forming apparatus, and image forming method'2015 8,795,935'Electrophotographic photoconductor, production method of the same, image forming apparatus, and process cartridge'2014 8,669,030'Electrophotographic photoreceptor, and image forming method and apparatus using the same'2014 8,597,863'Electrophotographic photoreceptor, method of manufacturing electrophotographic photoreceptor, process cartridge, and image forming apparatus'2013 8,557,487'Electrophotographic photoconductor, method for producing electrophotographic photoconductor, and image forming apparatus'2013 8,543,037'Image forming apparatus'2013 8,512,924'Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the photoreceptor'2013 8,420,284'Electrophotographic photoreceptor, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor'2013 8,293,439'Electrophotographic photorecptor, method of manufacturing electrophotographic photorecptor, image forming apparatus, and process cartridge'2012 8,247,143'Photoreceptor, image formation method, image forming apparatus and process cartridge'2012 8,170,449'Image forming apparatus and process cartridge'2012 8,148,038'Image bearing member, process cartridge, image forming apparatus and method of forming image bearing member'2012 8,119,317'Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor'2012 8,084,170'Electrophotographic photoconductor, electrophotographic process cartridge containing the same and electrophotographic apparatus containing the same'2011 8,043,773'Image bearing member, image forming apparatus and process cartridge'2011 8,043,777'Electrophotographic photoconductor, process cartridge, and image forming apparatus'2011 7,914,959'Image bearing member, image forming method, and image forming apparatus'2011 7,718,335'Image bearing member, and image forming apparatus and process cartridge using the same'2010 7,709,170'Latent electrostatic image bearing member, and process cartridge, image forming apparatus and image forming method'2010 7,482,104'Toner, developer, toner container and latent electrostatic image carrier, and process cartridge, image forming method, and image forming apparatus using the same'2009 7,386,256'Toner, developer, toner container and latent electrostatic image carrier, and process cartridge, image forming method, and image forming apparatus using the same'2008 7,381,511'Photoreceptor, image forming method and image forming apparatus using the photoreceptor, process cartridge using the photoreceptor and coating liquid for the photoreceptor'2008 7,341,814'Electrophotographic photoconductor, preparation method thereof, electrophotographic apparatus and process cartridge'2008 7,315,722'Image forming apparatus and image forming method'2008 7,314,693'Electrophotographic photoconductor, electrophotographic process, electrophotographic apparatus, and process cartridge'2008 7,282,529'Coating liquid for an electrographic photoreceptor and a method of preparation using a ball mill'2007 7,270,924'Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor'2007 7,267,916'Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor'2007 7,177,570'Measurement of frictional resistance of photoconductor against belt in image forming apparatus, process cartridge, and image forming method'2007 7,160,658'Electrophotographic photoreceptor, and image forming method, image forming apparatus, and image forming apparatus processing unit using same'2007 7,127,196'Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor and image forming apparatus using the electrophotographic photoreceptor'2006 7,060,404'Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor and image forming apparatus using the electrophotographic photoreceptor'2006 7,018,755'Electrophotographic photoconductor, electrophotography method using the same, electrophotographic apparatus, electrographic apparatus process cartridge and electrophotographic photoconductor outermost surface layer coating solution'2006 6,936,388'Electrophotographic photoreceptor, and image forming method, image forming apparatus, and image forming apparatus processing unit using same'2005 6,879,799'Image-forming apparatus and image-forming process-cartridge'2005 6,861,188'Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the photoreceptor'2005 6,858,362'Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor'2005 6,844,124'Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor'2005 6,790,572'Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor'2004 6,653,033'Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same'2003 6,641,964'Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor'2003 6,573,016'Electrophotographic photoconductor, method of manufacturing same and image forming method, image forming apparatus and process cartridge using same'2003 6,326,112'Electrophotographic photoreceptor, and process cartridge and image forming apparatus using the photoreceptor'2001 6,151,468'Electrophotographic photoconductor'2000 6,030,733'Electrophotographic photoconductor with water vapor permeability'2000 5,871,876'Electrophotographic photoconductor'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2010Patents assigned to RICOH KK (29)· patent assignee history

1999–2014Based in Numazu, JP· patent location history

2001–2020Based in Shizuoka, JP· patent location history

2011–2020Patents assigned to RICOH CO LTD (25)· patent assignee history

2011–2020Patents assigned to KAMI HIDETOSHI (22)· patent assignee history

2011–2014Patents assigned to FUJIWARA YUKIO (12)· patent assignee history

2012–2017Patents assigned to EGAWA KAZUHIRO (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	29	1999–2010
RICOH CO LTD	25	2011–2020
KAMI HIDETOSHIself	22	2011–2020
FUJIWARA YUKIO	12	2011–2014
EGAWA KAZUHIRO	11	2012–2017

Locations

Location	Patents	Span
Numazu, JP	34	1999–2014
Shizuoka, JP	20	2001–2020