Assignee
TSURUMI SEIKO CO LTD
JP·4 granted patents·54 citations·filing 1974–1995
Top patents by PatentIndex Score
4 records- 0153US5767682AElectric conductivity measurement circuit and probeTSURUMI SEIKO CO LTD·Filed 1995·Granted Jun 16, 1998·23 cites·3 claims
- 0252US4552016ASensor for currentmeterTSURUMI SEIKO CO LTD·Filed 1983·Granted Nov 12, 1985·10 cites·7 claims
- 0339US5189909ADevice for measuring properties of underground water and method thereforTSURUMI SEIKO CO LTD·Filed 1990·Granted Mar 2, 1993·18 cites·8 claims
- 0432US3967316AData recorderTSURUMI SEIKO CO LTD·Filed 1974·Granted Jun 29, 1976·3 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →