P
PatentIndex
Search
Landscape
Sign in
Inventor
YONENAGA KOTARO
JP
2 patents
Patents
2 patents
US4916547A
Apr 10, 1990
Color image forming apparatus
RICOH KK
90 citations
95
US4770403A
Sep 13, 1988
Paper feeder usable with a copier and others
RICOH KK
29 citations
88