Inventor
TAKASHIMA OSAMU
JP5 patents
Patents
5 patentsUS6779975B2Aug 24, 2004
Duct fan unit
RICOH KK31 citations91
US6725991B2Apr 27, 2004
Driving device and fixing device
RICOH KK21 citations91
US5913095AJun 15, 1999
Image forming apparatus
RICOH KK34 citations89
US7106990B2Sep 12, 2006
Image forming apparatus
RICOH KK15 citations82
US7508551B2Mar 24, 2009
Image reading apparatus
RICOH KK0 citations40