Inventor
WATANABE HARUYASU
JP5 patents
Patents
5 patentsUS6903876B2Jun 7, 2005
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FUJITSU LTD37 citations91
US5852757ADec 22, 1998
Electrophotographic image forming apparatus having a device for recovering residual toner
FUJITSU LTD32 citations90
US5678143AOct 14, 1997
Image forming apparatus for collecting residual toner from a drum using an AC voltage
FUJITSU LTD12 citations72
US5778285AJul 7, 1998
Image forming apparatus for collecting residual toner from a drum using an AC voltage
FUJITSU LTD5 citations61
US5845184ADec 1, 1998
Developing unit having improved toner density control
FUJITSU LTD0 citations40