Inventor
KAMIYAMA SHINICHI
JP5 patents
Patents
5 patentsUS4451139AMay 29, 1984
Cleaning apparatus for photoconductive element
RICOH KK37 citations91
US4059394ANov 22, 1977
Heat fixing apparatus for use in a wet electrophotographic copying machine
RICOH KK15 citations73
US4814821AMar 21, 1989
Image-forming device
RICOH KK10 citations70
US4901113AFeb 13, 1990
Image-forming device
RICOH KK3 citations59
US4291643ASep 29, 1981
Developing apparatus in a magnification-variable copier
RICOH KK5 citations52