Inventor
MIYOSHI YASUO
JP37 patents
⚠️ This page may combine multiple inventors who share the name “MIYOSHI YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
15 patentsUS6721516B2Apr 13, 2004
Image forming apparatus
RICOH KK85 citations98
US6505014B2Jan 7, 2003
Image forming apparatus and an image forming process unit
RICOH KK116 citations98
US6671484B2Dec 30, 2003
Image forming apparatus having developing device with magnet roller with particular magnetic flux density
RICOH KK45 citations96
US6658227B2Dec 2, 2003
Development method apparatus, image formation and process cartridge for suppressing variation in toner charge
RICOH KK63 citations96
US5619765AApr 15, 1997
Device for removing a film-like image forming substance
RICOH KK56 citations96
US6901233B2May 31, 2005
Image forming apparatus
RICOH KK23 citations93
US7035575B2Apr 25, 2006
Developing device, image forming apparatus, and process cartridge
RICOH KK35 citations92
US5729262AMar 17, 1998
Ink jet head including phase transition material actuators
RICOH KK53 citations92
US5638842AJun 17, 1997
Device for removing a film-like image forming substance from a recording medium
RICOH KK37 citations92
US7769326B2Aug 3, 2010
Developing device, process cartridge, and image forming apparatus
RICOH KK14 citations84
US7599649B2Oct 6, 2009
Development device and process cartridge including development device
RICOH KK9 citations84
US7536141B2May 19, 2009
Developing device, process cartridge and image forming apparatus
RICOH KK14 citations84
US7480475B2Jan 20, 2009
Developing device, and image forming apparatus and process cartridge using the developing device
RICOH KK13 citations84
US7209685B2Apr 24, 2007
Developing device, image forming apparatus and process cartridge including replenishment openings
RICOH KK19 citations84
US7181155B2Feb 20, 2007
Developer supplying device, developing roller, developing device, image forming apparatus and process cartridge
RICOH KK9 citations74
MIYOSHI YASUO
5 patentsUS8571449B2Oct 29, 2013
Development device, process cartridge, and image forming apparatus
MIYOSHI YASUO5 citations83
US8750752B2Jun 10, 2014
Development device including a removable seal to seal a supplied-developer and/or a collected-developer communicating area
MIYOSHI YASUO4 citations72
US8135314B2Mar 13, 2012
Developing device, process cartridge, and image forming apparatus, method of developing latent image
MIYOSHI YASUO6 citations72
US8971769B2Mar 3, 2015
Development device including a removable seal to seal a supplied-developer and/or a collected-developer communicating area
MIYOSHI YASUO1 citations62
US8238801B2Aug 7, 2012
Developing device, process cartridge, method and image forming apparatus for developing an electrostatic latent image on an image carrier
MIYOSHI YASUO0 citations41
MITSUBISHI STEEL MFG
2 patentsMITSUI CHEMICALS INC
2 patentsFUJIWARA YOSHIHIRO
2 patentsRICOH CO LTD
2 patentsUS7995954B2Aug 9, 2011
Developing device and image forming apparatus including same which includes a supply path and a recovery path
RICOH CO LTD3 citations63
US7877047B2Jan 25, 2011
Developing device, process cartridge and image forming apparatus to inhibit the increase of the rate of uncharged toner during prolonged operation
RICOH CO LTD1 citations52