Inventor
AIDA MIDORI
JP8 patents
Patents
8 patentsUS5751854AMay 12, 1998
Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system
RICOH KK181 citations98
US6272248B1Aug 7, 2001
Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system
RICOH KK113 citations97
US5465160ANov 7, 1995
Composite image forming apparatus for automatically combining document and image characters
RICOH KK67 citations95
US5444518AAug 22, 1995
Image forming apparatus which adds identification information to recorded images to prevent forgery
RICOH KK47 citations92
US5500746AMar 19, 1996
Color image input apparatus
RICOH KK20 citations91
US5333211AJul 26, 1994
Image processing apparatus for preventing occurrence of moire in a reconstructed image
RICOH KK31 citations90
US5920645AJul 6, 1999
Image forming apparatus and method which performs an under color removal process using image signals obtained during a scanning operation
RICOH KK18 citations82
US5515171AMay 7, 1996
Remote-controlled copying apparatus having facsimile interface unit
RICOH KK6 citations59