Inventor
SUGIYAMA MITSUGU
JP10 patents
Patents
10 patentsUS6381435B2Apr 30, 2002
Color image forming apparatus
RICOH KK163 citations98
US6282396B1Aug 28, 2001
Color image forming apparatus and method of obtaining color images with decreased image positional deviation
RICOH KK140 citations98
US6295435B1Sep 25, 2001
Image forming apparatus which corrects deviations between images of different colors
RICOH KK118 citations97
US6128459AOct 3, 2000
Color image forming apparatus and method of obtaining color images with decreased image positional deviation
RICOH KK121 citations97
US6118557ASep 12, 2000
Color image forming apparatus
RICOH KK48 citations96
US5963240AOct 5, 1999
Deflecting mirror adjusting device for an image forming apparatus
RICOH KK88 citations96
US5962783AOct 5, 1999
Apparatus for detecting rotational speed
RICOH KK70 citations96
US5737665AApr 7, 1998
Apparatus for calibrating toner density for color images
RICOH KK78 citations96
US7162171B2Jan 9, 2007
Method, system and software program for correcting positional color misalignment
RICOH KK23 citations92
US5464200ANov 7, 1995
Sheet storing device with locking bins
RICOH KK34 citations89