Inventor · disambiguated record
Koji Yukawa
Also filed as: YUKAWA KOJI
3 granted patents·85 citations·filing 1980–1981
74Inventor score
Files withKONISHIROKU PHOTO IND3
Top patents by PatentIndex Score
3 records- 0193US4338020ADevice for detecting the size of the material to be copied in copying machinesKONISHIROKU PHOTO IND·Filed 1980·Granted Jul 6, 1982·52 cites·8 claims
- 0276US4415261AAn improved platen cover for a copying machineKONISHIROKU PHOTO IND·Filed 1981·Granted Nov 15, 1983·14 cites·5 claims
- 0375US4372674ACopying machine having detectors for the background color and density of the originalKONISHIROKU PHOTO IND·Filed 1980·Granted Feb 8, 1983·19 cites·2 claims
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