Inventor
TSUSHIMA SHUICHI
JP6 patents
Patents
6 patentsUS4351604ASep 28, 1982
Multi-color electrostatic copying apparatus
RICOH KK40 citations91
US4413899ANov 8, 1983
Copying method and apparatus
RICOH KK14 citations73
US4443095AApr 17, 1984
Image transfer and sheet separation apparatus for electrophotographic system
RICOH KK11 citations72
US4389113AJun 21, 1983
Improved developing device for two-color electrophotographic copying apparatus
RICOH KK15 citations72
US4845375AJul 4, 1989
Contact photoelectric conversion apparatus having plurality of protecting layers
RICOH KK10 citations71
US4430402AFeb 7, 1984
Dichromatic electrophotography using two developer compositions applied sequentially
RICOH KK9 citations71