Inventor
HAYAMIZU YOSHISADA
5 patents
Patents
5 patentsUS4036218AJul 19, 1977
Endoscope
OLYMPUS OPTICAL CO63 citations95
US4153834AMay 8, 1979
Pattern projector for automatic focusing endoscope
OLYMPUS OPTICAL CO23 citations78
US4291945ASep 29, 1981
Pentagonal roof prism for viewfinder
OLYMPUS OPTICAL CO7 citations70
US4252424AFeb 24, 1981
Focusing optical system for single-lens reflex cameras
OLYMPUS OPTICAL CO1 citations50
US4223989ASep 23, 1980
Focusing optical system for single-lens reflex cameras
OLYMPUS OPTICAL CO0 citations48