Inventor
SUMI AKIYASU
JP17 patents
Patents
17 patentsUS4596454AJun 24, 1986
Photographic lens barrel assembly
CANON KK61 citations96
US4605286AAug 12, 1986
Motor built-in lens mounting
CANON KK41 citations92
US4491401AJan 1, 1985
Diaphragm device
CANON KK38 citations92
US4247190AJan 27, 1981
Lens assembly coupling device for camera system
CANON KK31 citations92
US4806813AFeb 21, 1989
Motor
CANON KK37 citations91
US4386829AJun 7, 1983
Mechanical mounting system for a zoom lens assembly
CANON KK20 citations82
US4230403AOct 28, 1980
Mounting for interchangeable camera lens assembly with diaphragm means
CANON KK22 citations81
US4536057AAug 20, 1985
Filter mounting mechanism for an optical assembly
CANON KK17 citations74
US4422740ADec 27, 1983
Lens assembly provided with an automatic focusing device
CANON KK9 citations74
US4322154AMar 30, 1982
Mounting mechanism for the interchangeable lens assembly of a camera
CANON KK18 citations74
US4763150AAug 9, 1988
Motor-built-in photographic lens
CANON KK19 citations73
US4660933AApr 28, 1987
Lens driving device
CANON KK13 citations73
US4465344AAug 14, 1984
Cam device for a photographing lens barrel
CANON KK7 citations73
US4385023AMay 24, 1983
Method of making a lens barrel assembly
CANON KK14 citations73
US4310231AJan 12, 1982
Close-up copy photography apparatus
CANON KK13 citations73
US4459001AJul 10, 1984
Automatic focusing system with interrupt function
CANON KK2 citations63
US4159168AJun 26, 1979
Exposure correction factor setting device for a camera
CANON KK4 citations62