Inventor
SHIMOYAMA KEISUKE
JP28 patents
⚠️ This page may combine multiple inventors who share the name “SHIMOYAMA KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
7 patentsUS7919220B2Apr 5, 2011
Electrophotographic photoreceptor, image forming apparatus and process cartridge
RICOH CO LTD10 citations84
US7871747B2Jan 18, 2011
Electrophotographic photoconductor having charge blocking and moire preventing layers
RICOH CO LTD9 citations83
US8380109B2Feb 19, 2013
Image forming apparatus and process cartridge
RICOH CO LTD2 citations63
US8007972B2Aug 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
US8349529B2Jan 8, 2013
Electrophotographic photoconductor, and electrophotographic method, electrophotographic apparatus and process cartridge containing the electrophotographic photoconductor
RICOH CO LTD2 citations62
US8383305B2Feb 26, 2013
Image forming apparatus
RICOH CO LTD0 citations41
SHIMOYAMA KEISUKE
6 patentsUS8192905B2Jun 5, 2012
Electrophotographic photoconductor, image forming apparatus, and process cartridge
SHIMOYAMA KEISUKE2 citations61
US8227156B2Jul 24, 2012
Electrophotographic photoconductor, image forming apparatus, image forming method, and process cartridge
SHIMOYAMA KEISUKE0 citations51
US8652717B2Feb 18, 2014
Image bearing member and image forming method, image forming apparatus, and process cartridge using the same
SHIMOYAMA KEISUKE1 citations50
US8064795B2Nov 22, 2011
Electrophotographic image forming apparatus and process cartridge
SHIMOYAMA KEISUKE0 citations50
US8114559B2Feb 14, 2012
Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the same
SHIMOYAMA KEISUKE0 citations40
US8278016B2Oct 2, 2012
Electrophotographic photoconductor
SHIMOYAMA KEISUKE0 citations38
KAMI HIDETOSHI
4 patentsUS10845738B2Nov 24, 2020
Image forming method, image forming apparatus, and process cartridge
KAMI HIDETOSHI0 citations50
US10416594B2Sep 17, 2019
Image forming method, image forming apparatus, and process cartridge
KAMI HIDETOSHI0 citations50
US9989868B2Jun 5, 2018
Photoconductor, image forming method using the same, method of manufacturing the photoconductor, and image forming apparatus
KAMI HIDETOSHI0 citations38
US9523930B2Dec 20, 2016
Photoconductor, and image forming method and image forming apparatus using the same
KAMI HIDETOSHI0 citations38
RICOH KK
3 patentsUS7747197B2Jun 29, 2010
Electrophotographic image forming apparatus and process cartridge
RICOH KK11 citations84
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