Assignee
TOHOKU METAL IND LTD
JP·17 granted patents·250 citations·filing 1974–1986
Top patents by PatentIndex Score
17 records- 0188US4707196ATi-Ni alloy articles having a property of reversible shape memory and a method of making the sameTOHOKU METAL IND LTD·Filed 1985·Granted Nov 17, 1987·42 cites·9 claims
- 0285US4356421APiezoelectric resonators of an energy-trapping type of a width extensional vibratory modeTOHOKU METAL IND LTD·Filed 1981·Granted Oct 26, 1982·29 cites·16 claims
- 0384US4417207ACircuit for injecting simulating-noise signals in a power lineTOHOKU METAL IND LTD·Filed 1981·Granted Nov 22, 1983·38 cites·8 claims
- 0473US3959824ATwo gap read/write head assemblyTOHOKU METAL IND LTD·Filed 1974·Granted May 25, 1976·21 cites·13 claims
- 0568US4024451AStabilized DC power supply deviceTOHOKU METAL IND LTD·Filed 1976·Granted May 17, 1977·24 cites·12 claims
- 0667US4420804ASwitching regulator with base charge removal circuitTOHOKU METAL IND LTD·Filed 1981·Granted Dec 13, 1983·20 cites·10 claims
- 0757US4455179AMethod for the preparation of magnetically traceable explosivesTOHOKU METAL IND LTD·Filed 1981·Granted Jun 19, 1984·9 cites·10 claims
- 0857US3977917APermanent magnet materialsTOHOKU METAL IND LTD·Filed 1974·Granted Aug 31, 1976·11 cites·7 claims
- 0948US4537645AMagnetically traceable explosives with stability and a method for the preparation thereofTOHOKU METAL IND LTD·Filed 1983·Granted Aug 27, 1985·6 cites·5 claims
- 1047US4481431ACircuit for driving a switching transistorTOHOKU METAL IND LTD·Filed 1984·Granted Nov 6, 1984·7 cites·8 claims
- 1147US4389628AThermo-magnetically operated switches having two different operating temperaturesTOHOKU METAL IND LTD·Filed 1981·Granted Jun 21, 1983·7 cites·20 claims
- 1244US4764698AA.C. electric motors having a stator forming orthogonal magnetic pathsTOHOKU METAL IND LTD·Filed 1986·Granted Aug 16, 1988·11 cites·5 claims
- 1343US4758753AA.C. electric motors having a stator forming orthogonal magnetic pathsTOHOKU METAL IND LTD·Filed 1983·Granted Jul 19, 1988·8 cites·22 claims
- 1440US4516101AAir-flow-rate sensorsTOHOKU METAL IND LTD·Filed 1984·Granted May 7, 1985·5 cites·18 claims
- 1539US4419628ATransient-noise simulatorsTOHOKU METAL IND LTD·Filed 1981·Granted Dec 6, 1983·4 cites·3 claims
- 1636US4325042AThermo-magnetically operated switches having two different operating temperaturesTOHOKU METAL IND LTD·Filed 1980·Granted Apr 13, 1982·5 cites·4 claims
- 1734US4396895AMultiple resonant electromechanical filters using edge-mode vibration of a long piezoelectric plateTOHOKU METAL IND LTD·Filed 1981·Granted Aug 2, 1983·3 cites·37 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →