Inventor
OWADA MITSUTOSHI
JP9 patents
Patents
9 patentsUS4315159AFeb 9, 1982
Optical sensor device with reduction of ambient light effects
CANON KK63 citations96
US4293877AOct 6, 1981
Photo-sensor device and image scanning system employing the same
CANON KK79 citations96
US4357085ANov 2, 1982
Focus detection device
CANON KK31 citations92
US4274735AJun 23, 1981
Distance measuring device
CANON KK56 citations92
US4257705AMar 24, 1981
Device for focus detection or distance detection
CANON KK54 citations92
US4178098ADec 11, 1979
Range detecting method and apparatus
CANON KK36 citations91
US4283137AAug 11, 1981
Image scanning system
CANON KK16 citations82
US4189232AFeb 19, 1980
Range detecting method and apparatus
CANON KK26 citations81
US4368978AJan 18, 1983
Image scanning system
CANON KK9 citations74