Inventor
NARA WATARU
JP9 patents
Patents
9 patentsUS5231516AJul 27, 1993
Folding-order image forming apparatus
RICOH KK71 citations95
US6891648B2May 10, 2005
Image-reading device performing a white-shading correction by obtaining a peak value of average values of image data and read from a reference-white member in blocks as white-shading data
RICOH KK21 citations92
US7161626B1Jan 9, 2007
Image reading apparatus
RICOH KK29 citations91
US6961151B1Nov 1, 2005
Image reading-out apparatus, copying machine and facsimile device utilizing the same, and method of reading out image
RICOH KK8 citations72
US5347372ASep 13, 1994
Image scanning and processing apparatus with error checking
RICOH KK10 citations67
US7033046B2Apr 25, 2006
Lighting device having a light blocking mechanism
RICOH KK4 citations62
US7336399B2Feb 26, 2008
Document image scanning device that provides image of proper appearance while preserving image density
RICOH KK5 citations61
US7113647B2Sep 26, 2006
Removal of background noise of image data by an image processing device or image reading apparatus
RICOH KK3 citations61
US5515171AMay 7, 1996
Remote-controlled copying apparatus having facsimile interface unit
RICOH KK6 citations59