Inventor
ISHIZAKA SUNAO
JP17 patents
Patents
17 patentsUS4314752AFeb 9, 1982
Mount device of a focal length changing auxiliary lens
NIPPON KOGAKU KK27 citations81
US4561741ADec 31, 1985
Camera film feed control apparatus
NIPPON KOGAKU KK14 citations73
US4538890ASep 3, 1985
Camera provided with a mechanism for detecting the film speed of a film
NIPPON KOGAKU KK7 citations73
US4391488AJul 5, 1983
Mount device of an interchangeable lens
NIPPON KOGAKU KK16 citations73
US4329040AMay 11, 1982
Signal transmitting device of an intermediate lens barrel of a camera
NIPPON KOGAKU KK13 citations73
US4269497AMay 26, 1981
Lens barrel for both priorities or shutter speed priority mode automatic exposure system
NIPPON KOGAKU KK8 citations73
US4200381AApr 29, 1980
Photographing mode switching mechanism in camera
NIPPON KOGAKU KK8 citations73
US4187016AFeb 5, 1980
Viewfinder focusing screen supporting apparatus for single-lens reflex camera
NIPPON KOGAKU KK8 citations73
US4134661AJan 16, 1979
Exposure indicating device in a single lens reflex camera having a built-in TTL exposure meter
NIPPON KOGAKU KK10 citations71
US4624540ANov 25, 1986
Film speed setting device for camera
NIPPON KOGAKU KK2 citations62
US4579433AApr 1, 1986
Film sensitivity setting device for camera
NIPPON KOGAKU KK6 citations62
US4558935ADec 17, 1985
Camera provided with means for detecting information on film cartridge
NIPPON KOGAKU KK3 citations62
US4550991ANov 5, 1985
Device for detecting code on film cartridge
NIPPON KOGAKU KK3 citations62
US4326788AApr 27, 1982
Information transmission means in an intermediate lens tube for camera
NIPPON KOGAKU KK4 citations62
US4034392AJul 5, 1977
Exposure indicator device in a single lens reflex camera with a TTL exposure meter contained therein
NIPPON KOGAKU KK3 citations60
US4283133AAug 11, 1981
Large aperture ratio interchangeable lens for a single lens reflex camera
NIPPON KOGAKU KK1 citations52
US4085416AApr 18, 1978
Aperture interlocking device for a single lens reflex camera of the interchangeable viewfinder type
NIPPON KOGAKU KK1 citations51