Inventor
OHTSUBO KAZUHISA
JP4 patents
Patents
4 patentsUS7038228B2May 2, 2006
Image forming apparatus with specific document determining module and abnormality detection means
RICOH KK9 citations72
US6025603AFeb 15, 2000
Specific document determining apparatus, image reading apparatus, specific document determining method, and a computer-readable recording medium with a program for execution of the method stored therein image reading apparatus having a specific document
RICOH KK8 citations72
US6949757B2Sep 27, 2005
Specific document determining apparatus including a microwave sensor
RICOH KK3 citations61
US6696696B1Feb 24, 2004
Image forming apparatus with specific document module having a microwave sensor
RICOH KK0 citations51