Inventor
TOHYAMA YOSHIKUNI
15 patents
Patents
15 patentsUS4916490AApr 10, 1990
Image forming apparatus comprising a plurality of developing devices
CANON KK32 citations92
US4218131AAug 19, 1980
Cleaning device
CANON KK44 citations92
US4168901ASep 25, 1979
Developer housing sealing device for electrophotography
CANON KK39 citations92
US4129377ADec 12, 1978
Variable magnification copying apparatus
CANON KK37 citations92
US4000942AJan 4, 1977
Transfer medium separating device
CANON KK32 citations92
US4302098ANov 24, 1981
Printing apparatus
CANON KK31 citations91
US4544262AOct 1, 1985
Transfer station alignment device
CANON KK23 citations82
US4803520AFeb 7, 1989
Electrophotographic apparatus for making superposed images
CANON KK10 citations74
US4243311AJan 6, 1981
Image forming apparatus
CANON KK10 citations74
US4163549AAug 7, 1979
Separator device for transfer medium
CANON KK10 citations74
US4845528AJul 4, 1989
Double-side image forming apparatus
CANON KK9 citations73
US4323308AApr 6, 1982
Copy magnification modifying apparatus
CANON KK7 citations73
US4402595ASep 6, 1983
Scanning type image formation apparatus
CANON KK3 citations62
US4072211AFeb 7, 1978
Driving device for a moving body
CANON KK3 citations62
US4375331AMar 1, 1983
Slit exposure device with white reflecting member
CANON KK6 citations54