Inventor
OKUDAIRA SADAO
22 patents
⚠️ This page may combine multiple inventors who share the name “OKUDAIRA SADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
20 patentsUS4589750AMay 20, 1986
Adapter for connecting single-lens reflex camera lens to video camera
ASAHI OPTICAL CO LTD19 citations82
US4412725ANov 1, 1983
Rear stop diaphragm zoom lens
ASAHI OPTICAL CO LTD7 citations74
US4185893AJan 29, 1980
Zoom lenses
ASAHI OPTICAL CO LTD8 citations74
US4730906AMar 15, 1988
Bright wide-angle zoom lens
ASAHI OPTICAL CO LTD10 citations73
US4702568AOct 27, 1987
Photographic lens with large aperture ratio
ASAHI OPTICAL CO LTD16 citations73
US4652931AMar 24, 1987
Optical system for TTL automatic focusing video camera
ASAHI OPTICAL CO LTD11 citations73
US4556295ADec 3, 1985
Ultracompact telephoto lens
ASAHI OPTICAL CO LTD14 citations73
US4523814AJun 18, 1985
Zoom lens
ASAHI OPTICAL CO LTD9 citations73
US4491395AJan 1, 1985
Zoom lens system
ASAHI OPTICAL CO LTD8 citations73
US4359270ANov 16, 1982
Zoom lens
ASAHI OPTICAL CO LTD10 citations73
US4074931AFeb 21, 1978
Variable focal length lens system
ASAHI OPTICAL CO LTD17 citations73
US4406523ASep 27, 1983
Compact wide-angle zoom lens
ASAHI OPTICAL CO LTD10 citations66
US4293197AOct 6, 1981
Telephoto lens with small telephoto ratio
ASAHI OPTICAL CO LTD4 citations63
US4460251AJul 17, 1984
Zoom lens focusing system
ASAHI OPTICAL CO LTD6 citations62
US4251132AFeb 17, 1981
Compact standard zoom lens
ASAHI OPTICAL CO LTD6 citations62
US4241981ADec 30, 1980
Compact wide angle zoom lens
ASAHI OPTICAL CO LTD7 citations62
US3966306AJun 29, 1976
Large aperture super wide angle lens
ASAHI OPTICAL CO LTD4 citations62
US4490017ADec 25, 1984
High-speed zoom lens
ASAHI OPTICAL CO LTD6 citations61
US4330181AMay 18, 1982
Compact zoom lens
ASAHI OPTICAL CO LTD2 citations52
US3976367AAug 24, 1976
Retrofocus type wide angle lens of low F-number
ASAHI OPTICAL CO LTD1 citations52