Inventor
IKEDA YOSHITSUGI
8 patents
Patents
8 patentsUS3998527ADec 21, 1976
Wide-angle photographic lens system with a short overall length
OLYMPUS OPTICAL CO29 citations81
US4063802ADec 20, 1977
Telephotographic lens system having short total length
OLYMPUS OPTICAL CO7 citations73
US4145116AMar 20, 1979
Large aperture ultra wide angle photographic lens system
OLYMPUS OPTICAL CO8 citations71
US4110007AAug 29, 1978
Large aperture photographic lens system
OLYMPUS OPTICAL CO9 citations71
US4035063AJul 12, 1977
Compact wide-angle photographic lens system with a short overall length
OLYMPUS OPTICAL CO19 citations71
US4025167AMay 24, 1977
Telephoto-type zoom lens system
OLYMPUS OPTICAL CO11 citations71
US4210388AJul 1, 1980
Large-aperture wide-angle lens system for photographic cameras
OLYMPUS OPTICAL CO2 citations60
US4145117AMar 20, 1979
Retrofocus type wide angle lens system
OLYMPUS OPTICAL CO2 citations60