Inventor
KIN HIDENORI
JP24 patents
Patents
24 patentsUS6871026B2Mar 22, 2005
Apparatus for and method of forming image under controlled image forming condition
SEIKO EPSON CORP34 citations92
US6336022B2Jan 1, 2002
Developing unit
SEIKO EPSON CORP15 citations92
US6198893B1Mar 6, 2001
Image forming apparatus having a plurality of developing units
SEIKO EPSON CORP16 citations92
US6192209B1Feb 20, 2001
Developing unit
SEIKO EPSON CORP16 citations92
US6163674ADec 19, 2000
Developing unit having developing roller with restraining blade
SEIKO EPSON CORP18 citations92
US7680425B2Mar 16, 2010
Image forming apparatus and method for controlling tone characteristics based on tone-control patch image
SEIKO EPSON CORP14 citations84
US7269362B2Sep 11, 2007
Image forming apparatus, control method and toner consumption calculating apparatus and method
SEIKO EPSON CORP13 citations84
US6684047B2Jan 27, 2004
Image forming apparatus with reduced image defects
SEIKO EPSON CORP18 citations84
US7421217B2Sep 2, 2008
Image forming apparatus, image forming method, toner counter and calculation method of toner consumption
SEIKO EPSON CORP14 citations82
US6226484B1May 1, 2001
Developing unit using specific developer composition
SEIKO EPSON CORP12 citations82
US6151474ANov 21, 2000
Developing unit using elastic supply roller
SEIKO EPSON CORP11 citations82
US6094554AJul 25, 2000
Developing unit having developing roller with specific side surface roughness
SEIKO EPSON CORP11 citations82
US6507722B2Jan 14, 2003
Developing device
SEIKO EPSON CORP7 citations74
US6295433B1Sep 25, 2001
Developing unit having a conveying fin for loading a supply roller with toner
SEIKO EPSON CORP7 citations74
US7058321B2Jun 6, 2006
Device and method of calculating toner consumption, and image forming apparatus using the same
SEIKO EPSON CORP4 citations63
US6526238B2Feb 25, 2003
Developing device
SEIKO EPSON CORP2 citations63
US7206525B2Apr 17, 2007
Image forming apparatus, a toner counter and a calculation method of toner consumption
SEIKO EPSON CORP6 citations62
US7509064B2Mar 24, 2009
Image forming apparatus, a toner counter and a calculation method of toner consumption
SEIKO EPSON CORP2 citations61
US7289743B2Oct 30, 2007
Image forming apparatus, a toner counter and a calculation method of toner consumption
SEIKO EPSON CORP4 citations61
US7567761B2Jul 28, 2009
Image forming apparatus and a method of controlling the image forming apparatus
SEIKO EPSON CORP6 citations60
US5192636AMar 9, 1993
Toner and a process for preparing thereof
SEIKO EPSON CORP1 citations52
US7489882B2Feb 10, 2009
Image forming apparatus, a toner counter and a calculation method of toner consumption
SEIKO EPSON CORP0 citations51
US7623801B2Nov 24, 2009
Image forming apparatus and control method thereof
SEIKO EPSON CORP0 citations40
US7783208B2Aug 24, 2010
Image forming apparatus and toner consumption amount calculating method
SEIKO EPSON CORP0 citations39