Inventor
DEKI TSUYOSHI
JP11 patents
Patents
11 patentsUS5887228AMar 23, 1999
Color image forming apparatus including process cartridge
RICOH KK55 citations96
US6184910B1Feb 6, 2001
Color image forming apparatus with polygonal mirror rotation phase control
RICOH KK26 citations92
US5797069AAug 18, 1998
Developing device for image forming apparatus
RICOH KK43 citations92
US5671465ASep 23, 1997
Image forming apparatus having a revolver type developing device
RICOH KK26 citations92
US5515145AMay 7, 1996
Color image forming apparatus having integral multiple length belt
RICOH KK36 citations92
US5440373AAug 8, 1995
Color image forming apparatus
RICOH KK51 citations92
US5255059AOct 19, 1993
Image forming apparatus
RICOH KK27 citations92
US4791454ADec 13, 1988
Removable photoconductive element unit for image-forming apparatus
RICOH KK49 citations92
US5740492AApr 14, 1998
Color image forming apparatus
RICOH KK48 citations91
US5678161AOct 14, 1997
Paper conveyer of image forming apparatus which conveys paper to a fixing device
RICOH KK38 citations91
US5599645AFeb 4, 1997
Image transfer method for an image forming apparatus
RICOH KK19 citations83