Inventor
YUKAWA KOJI
3 patents
Patents
3 patentsUS4338020AJul 6, 1982
Device for detecting the size of the material to be copied in copying machines
KONISHIROKU PHOTO IND52 citations91
US4372674AFeb 8, 1983
Copying machine having detectors for the background color and density of the original
KONISHIROKU PHOTO IND19 citations72
US4415261ANov 15, 1983
An improved platen cover for a copying machine
KONISHIROKU PHOTO IND14 citations71