Inventor

NAKAGAWA YASUTSUGU

JP7 patents

Patents

7 patents

US4274726AJun 23, 1981

Automatic film winder for camera

KONISHIROKU PHOTO IND39 citations89

US4218121AAug 19, 1980

Automatic aperture driving mechanism

KONISHIROKU PHOTO IND7 citations72

US4204759AMay 27, 1980

Camera with built-in motor

KONISHIROKU PHOTO IND12 citations72

US4297019AOct 27, 1981

Automatic film feeding apparatus for photographic camera

KONISHIROKU PHOTO IND12 citations69

US4903060AFeb 20, 1990

Film feeding device of the camera

KONISHIROKU PHOTO IND3 citations61

US4458997AJul 10, 1984

Single lens reflex camera equipped with mirror elevation detector and sequence control

KONISHIROKU PHOTO IND2 citations60

US4497563AFeb 5, 1985

Programmed automatic exposure control

KONISHIROKU PHOTO IND0 citations47