Inventor
SHAKUTO MASAHIKO
JP37 patents
⚠️ This page may combine multiple inventors who share the name “SHAKUTO MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
15 patentsUS6366751B1Apr 2, 2002
Image forming apparatus including preselected range between charge injection layer and voltage potential
RICOH KK182 citations99
US6799012B2Sep 28, 2004
Cleaning device and image forming apparatus using the same
RICOH KK72 citations98
US6654579B2Nov 25, 2003
Image forming apparatus including diamond-like or amorphous structure containing hydrogen surface protection layer
RICOH KK65 citations96
US6625409B2Sep 23, 2003
Image forming apparatus having a diamond-like structure surface protection layer on a photoconductive layer
RICOH KK70 citations96
US5937228AAug 10, 1999
Image forming apparatus
RICOH KK60 citations96
US7369807B2May 6, 2008
Cleaner, and process cartridge and image forming apparatus using the cleaner
RICOH KK25 citations93
US7184699B2Feb 27, 2007
Cleaning blade for image formation apparatus
RICOH KK21 citations93
US7383013B2Jun 3, 2008
Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged
RICOH KK18 citations92
US7123872B2Oct 17, 2006
Cleaning device and method, image forming apparatus, and process cartridge
RICOH KK24 citations92
US6987944B2Jan 17, 2006
Cleaning device and image forming apparatus using the cleaning device
RICOH KK40 citations92
US7415238B2Aug 19, 2008
Cleaning device, process cartridge, and image forming apparatus that include a blade that is pressed against a surface of a rotating member at a surface pressure of 2.0 MPa or more
RICOH KK17 citations90
US7693475B2Apr 6, 2010
Lubricant supplying device, cleaning device, process cartridge, and image forming apparatus
RICOH KK17 citations84
US7620357B2Nov 17, 2009
Image forming apparatus with obtuse-edge cleaning blade
RICOH KK18 citations84
US7610008B2Oct 27, 2009
Cleaning device, and process unit and image forming apparatus including the cleaning device
RICOH KK18 citations84
US7415236B2Aug 19, 2008
Cleaning unit, process cartridge, and image-forming apparatus
RICOH KK18 citations84
RICOH CO LTD
5 patentsUS7953363B2May 31, 2011
Lubricant applicator and image forming apparatus including same
RICOH CO LTD11 citations84
US8369770B2Feb 5, 2013
Collection container, cleaning unit, and image forming apparatus capable of collecting waste toner efficiently
RICOH CO LTD3 citations63
US8041280B2Oct 18, 2011
Lubricant applying device, process cartridge, and image forming apparatus
RICOH CO LTD3 citations63
US7844198B2Nov 30, 2010
Electrophotographic photoreceptor, photoreceptor supporting device, imaging device and process cartridge
RICOH CO LTD5 citations63
US8027628B2Sep 27, 2011
Cleaning device, process cartridge, and image forming apparatus
RICOH CO LTD2 citations60