Inventor
YAMADA TOYOTAKA
6 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA TOYOTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
5 patentsUS4247028AJan 27, 1981
Suspension strap fastener for camera
OLYMPUS OPTICAL CO19 citations81
US4240735ADec 23, 1980
Protective cover for taking lens of camera
OLYMPUS OPTICAL CO20 citations81
US4171894AOct 23, 1979
Retracting mechanism for taking lens of camera
OLYMPUS OPTICAL CO21 citations79
US4391521AJul 5, 1983
Photometer having asymmetrical aperture and with compensation for direction of incidence
OLYMPUS OPTICAL CO4 citations61
US4303323ADec 1, 1981
Focus correcting device for use in a rangefinder camera
OLYMPUS OPTICAL CO6 citations61