Inventor
NAKAYA YUKIKO
JP17 patents
Patents
17 patentsUS7672611B2Mar 2, 2010
Developer cartridge and image forming apparatus
BROTHER IND LTD74 citations97
US7336913B2Feb 26, 2008
Developing apparatus, process cartridge and image forming apparatus for preventing leakage
BROTHER IND LTD20 citations92
US7630666B2Dec 8, 2009
Developing device having a side seal member located between a developing roller and a case main body
BROTHER IND LTD12 citations84
US7680430B2Mar 16, 2010
Developing apparatus, process cartridge, developer cartridge, and image forming apparatus including leakage preventing member
BROTHER IND LTD7 citations74
US8027613B2Sep 27, 2011
Developing device, process cartridge, and image forming apparatus
BROTHER IND LTD2 citations63
US7899356B2Mar 1, 2011
Developing device, image carrier device, and image forming apparatus
BROTHER IND LTD3 citations63
US7706715B2Apr 27, 2010
Image forming apparatus and developer cartridge
BROTHER IND LTD4 citations63
US7627264B2Dec 1, 2009
Developing device and image forming apparatus
BROTHER IND LTD2 citations63
US7623815B2Nov 24, 2009
Developing device and image forming apparatus
BROTHER IND LTD3 citations63
US7457560B2Nov 25, 2008
Developing device
BROTHER IND LTD4 citations63
US7400843B2Jul 15, 2008
Color image forming apparatus
BROTHER IND LTD2 citations62
US7308214B2Dec 11, 2007
Image forming apparatus including units for recovering developing agent adhering to developing agent carriers
BROTHER IND LTD2 citations62
US7450889B2Nov 11, 2008
Image forming apparatus including developing units each having an agitation member
BROTHER IND LTD0 citations51
US7395018B2Jul 1, 2008
Image forming apparatus including units for recovering developing agent adhering to developing agent carriers
BROTHER IND LTD0 citations51
US7395019B2Jul 1, 2008
Image forming apparatus including units for recovering developing agent adhering to developing agent carriers
BROTHER IND LTD0 citations51
US7925180B2Apr 12, 2011
Image forming apparatus, image formation process unit, and developing unit
BROTHER IND LTD0 citations42
US7764901B2Jul 27, 2010
Developing device, image carrier device, and image forming apparatus
BROTHER IND LTD0 citations42