Inventor
MATSUURA YOZO
JP16 patents
Patents
16 patentsUS5126799AJun 30, 1992
Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine
RICOH KK51 citations94
US5315357AMay 24, 1994
Cleaning unit provided in xerographic image forming apparatus for removing residual toner from an image carrier
RICOH KK39 citations92
US5268720ADec 7, 1993
Electrophotographic recording apparatus having magazine unit for storing developer
RICOH KK32 citations92
US5255061AOct 19, 1993
Image forming apparatus with a first and second lid
RICOH KK39 citations92
US5331377AJul 19, 1994
Toner supplement control device operative concurrent with image forming apparatus active status
RICOH KK21 citations90
US5273272ADec 28, 1993
Paper cassette unit
RICOH KK21 citations88
US5349425ASep 20, 1994
Combined cleaner and toner magazine for an image forming apparatus
RICOH KK19 citations82
US4483611ANov 20, 1984
Magnetic cleaning device
RICOH KK8 citations74
US5697038ADec 9, 1997
Cleaner and toner magazine for electrophotographic apparatus
RICOH KK7 citations73
US5623717AApr 22, 1997
Developing device for an image forming apparatus which uses bias voltages to attract charged toner
RICOH KK7 citations73
US5555081ASep 10, 1996
Cleaner and toner magazine for electrophotographic apparatus
RICOH KK4 citations73
US4933771AJun 12, 1990
Facsimile machine having a page printing function
RICOH KK12 citations72
US5873021AFeb 16, 1999
Cleaner and toner magazine for electrophotographic apparatus
RICOH KK3 citations62
US5327197AJul 5, 1994
Electrophotographic apparatus
RICOH KK3 citations62
USRE35528EJun 10, 1997
Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine
RICOH KK4 citations61
US4586059AApr 29, 1986
Collected toner conveying device of electrostatic recording apparatus
RICOH KK1 citations51