Inventor
KAMIYAMA KIICHI
JP4 patents
Patents
4 patentsUS4712895ADec 15, 1987
Ocular position measuring apparatus
TOKYO OPTICAL28 citations90
US4744648AMay 17, 1988
Eye refractive power measuring apparatus
TOKYO OPTICAL14 citations72
US4367019AJan 4, 1983
Image rotating means for eye refractometers
TOKYO OPTICAL11 citations71
US4371237AFeb 1, 1983
Apparatus for measuring curvatures of a spherical surface
TOKYO OPTICAL0 citations48