Assignee
HOSOKAWA PRINTING
JP·4 granted patents·71 citations·filing 1986–1993
Top patents by PatentIndex Score
4 records- 0179US5375886ACounterfeit-proof paper for discouraging attempt at reproduction with copying deviceHOSOKAWA PRINTING·Filed 1993·Granted Dec 27, 1994·37 cites·8 claims
- 0270US4780397AProcess for preparing film positive sheets for forging-by-copying-proof prints and prints therefromHOSOKAWA PRINTING·Filed 1986·Granted Oct 25, 1988·20 cites·2 claims
- 0336US5078428ACopy-proof sheetHOSOKAWA PRINTING·Filed 1990·Granted Jan 7, 1992·9 cites·3 claims
- 0430US4944533AForging-by-copying-proof printsHOSOKAWA PRINTING·Filed 1988·Granted Jul 31, 1990·5 cites·6 claims
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