Assignee
OHTA CO
JP·5 granted patents·150 citations·filing 1978–1992
Top patents by PatentIndex Score
5 records- 0187US4407044AHingeOHTA CO·Filed 1981·Granted Oct 4, 1983·66 cites·7 claims
- 0276US5245727AAdjustable hingeOHTA CO·Filed 1992·Granted Sep 21, 1993·43 cites·16 claims
- 0368US4196924AAutomatic door closing deviceOHTA CO·Filed 1978·Granted Apr 8, 1980·22 cites·10 claims
- 0447US4347645ASelf closing hingeOHTA CO·Filed 1980·Granted Sep 7, 1982·14 cites·4 claims
- 0532US4224715AHingeOHTA CO·Filed 1979·Granted Sep 30, 1980·5 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →