Inventor
OHISHI MICHIRO
8 patents
⚠️ This page may combine multiple inventors who share the name “OHISHI MICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
7 patentsUS4387979AJun 14, 1983
Copying optical system
ASAHI OPTICAL CO LTD7 citations73
US4279489AJul 21, 1981
Interchangeable eye piece-housing
ASAHI OPTICAL CO LTD16 citations73
US4258989AMar 31, 1981
Focus detecting device
ASAHI OPTICAL CO LTD8 citations73
US4389097AJun 21, 1983
Ocular optical system
ASAHI OPTICAL CO LTD13 citations71
US4384770AMay 24, 1983
Focus detecting device
ASAHI OPTICAL CO LTD3 citations62
US4354756AOct 19, 1982
Copying apparatus
ASAHI OPTICAL CO LTD5 citations62
US4270140AMay 26, 1981
Optical system for imprinting information
ASAHI OPTICAL CO LTD2 citations60