Assignee
NITIVY CO LTD
3 granted patents·54 citations·filing 1976–1993
Top patents by PatentIndex Score
3 records- 0167US5401557AThread-reinforced paper sheet and thread-reinforced gummed tapeNITIVY CO LTD·Filed 1993·Granted Mar 28, 1995·36 cites·2 claims
- 0254US4125486APartially polyenized polyvinyl alcohol fibers with ion-exchange capacity and process for the production thereofNITIVY CO LTD·Filed 1976·Granted Nov 14, 1978·8 cites·10 claims
- 0348US4264676AProcess for preparing superfine ion-exchange fibersNITIVY CO LTD·Filed 1979·Granted Apr 28, 1981·10 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →