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Inventor
MIMA YOSHITADA
2 patents
Patents
2 patents
US4120589A
Oct 17, 1978
Method and apparatus for measuring the distribution of a light field about the optical axis of a light source
HITACHI ELECTRONICS
17 citations
70
US4171481A
Oct 16, 1979
Apparatus for inspecting bottles having elliptic light converging means
HITACHI ELECTRONICS
16 citations
67