Assignee
HITACHI MAGNETICS CORP
9 granted patents·154 citations·filing 1974–1993
Top patents by PatentIndex Score
9 records- 0182US3937904AMoving magnet electroacoustic transducerHITACHI MAGNETICS CORP·Filed 1974·Granted Feb 10, 1976·33 cites·6 claims
- 0279US4031652AFishing line release mechanismHITACHI MAGNETICS CORP·Filed 1976·Granted Jun 28, 1977·34 cites·5 claims
- 0365US5332488ASurface treatment for iron-based permanent magnet including rare-earth elementHITACHI MAGNETICS CORP·Filed 1993·Granted Jul 26, 1994·21 cites·7 claims
- 0461US3970484ASintering methods for cobalt-rare earth alloysHITACHI MAGNETICS CORP·Filed 1975·Granted Jul 20, 1976·14 cites·11 claims
- 0549US4122563AToilet seat assemblyHITACHI MAGNETICS CORP·Filed 1976·Granted Oct 31, 1978·19 cites·4 claims
- 0649US4015362AFishing line release mechanismHITACHI MAGNETICS CORP·Filed 1976·Granted Apr 5, 1977·13 cites·7 claims
- 0747US5360527ARackless rack for electroplatingHITACHI MAGNETICS CORP·Filed 1993·Granted Nov 1, 1994·11 cites·20 claims
- 0838US3970485ABinder and lubricant removal from cobalt-rare earth alloysHITACHI MAGNETICS CORP·Filed 1975·Granted Jul 20, 1976·5 cites·8 claims
- 0933US5348639ASurface treatment for iron-based permanent magnet including rare-earth elementHITACHI MAGNETICS CORP·Filed 1991·Granted Sep 20, 1994·4 cites·5 claims
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