Inventor
AKIBA YASUSHI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “AKIBA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
12 patentsUS5805965ASep 8, 1998
Developing device for an image forming apparatus having developer distribution features
RICOH KK83 citations96
US5758241AMay 26, 1998
Developing device for an image forming apparatus
RICOH KK56 citations96
US5983059ANov 9, 1999
Recyclable toner container for an image forming apparatus
RICOH KK66 citations95
US5659860AAug 19, 1997
Developing device for an image forming apparatus and toner cartridge
RICOH KK84 citations94
US5857132AJan 5, 1999
Apparatus and method for cleaning a transfer device of an image forming apparatus
RICOH KK28 citations92
US5822664AOct 13, 1998
Developing machine which uses a developing agent including a toner and magnetic particles
RICOH KK51 citations92
US5771429AJun 23, 1998
Developing device capable of automatic toner content control
RICOH KK42 citations92
US6529788B1Mar 4, 2003
Recycling system and recycling method
RICOH KK51 citations90
US7756439B2Jul 13, 2010
Image forming apparatus and process cartridge used therein
RICOH KK11 citations84
US6577842B2Jun 10, 2003
Image forming method and apparatus with toner recycling unit
RICOH KK18 citations83
US6868252B2Mar 15, 2005
Cleaning device and image forming apparatus using the same
RICOH KK11 citations73
US7532849B2May 12, 2009
Cleaning device for removing toner from an image bearing member
RICOH KK4 citations63
RICOH CO LTD
5 patentsUS7899383B2Mar 1, 2011
Lubricating device, lubricant applicator, and priming agent used therewith
RICOH CO LTD8 citations84
US7873291B2Jan 18, 2011
Image forming apparatus and process cartridge including charging bias adjustment control
RICOH CO LTD8 citations84
US7835683B2Nov 16, 2010
Cleaning unit, image carrying unit and image forming apparatus using the same
RICOH CO LTD4 citations63
US11618815B2Apr 4, 2023
Resin composition, molded body, electronic part, and electronic device
RICOH CO LTD0 citations58
US7995947B2Aug 9, 2011
Image forming apparatus, and charging device and process cartridge used in the image forming apparatus
RICOH CO LTD0 citations52
SHINTANI TAKESHI
3 patentsUS8315535B2Nov 20, 2012
Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating the cleaning unit
SHINTANI TAKESHI3 citations61
US8095059B2Jan 10, 2012
Image forming apparatus with coating mode
SHINTANI TAKESHI2 citations61
US8280293B2Oct 2, 2012
Image forming apparatus
SHINTANI TAKESHI0 citations40