Assignee
TOA HARBOR WORKS CO LTD
JP·4 granted patents·83 citations·filing 1977–1985
Top patents by PatentIndex Score
4 records- 0163US4257722APile driving methodTOA HARBOR WORKS CO LTD·Filed 1979·Granted Mar 24, 1981·25 cites·12 claims
- 0261US4146982AImproved pump-type sludge dredging apparatusTOA HARBOR WORKS CO LTD·Filed 1977·Granted Apr 3, 1979·21 cites·7 claims
- 0349US4640118AMethod of and apparatus for measuring pile skin frictionTOA HARBOR WORKS CO LTD·Filed 1985·Granted Feb 3, 1987·20 cites·9 claims
- 0440US4566825AMethod of hardening soft groundTOA HARBOR WORKS CO LTD·Filed 1985·Granted Jan 28, 1986·17 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →