Inventor · disambiguated record
Virgil S. Speriosu
Also filed as: SPERIOSU VIRGIL S · SPERIOSU VIRGIL SIMON
22 granted patents·2,873 citations·filing 1989–1999
98Inventor score
Files withIBM22
Top patents by PatentIndex Score
22 records- 0199US5287238ADual spin valve magnetoresistive sensorIBM·Filed 1992·Granted Feb 15, 1994·245 cites·36 claims
- 0298US5701223ASpin valve magnetoresistive sensor with antiparallel pinned layer and improved exchange bias layer, and magnetic recording system using the sensorIBM·Filed 1996·Granted Dec 23, 1997·214 cites·20 claims
- 0398US5583725ASpin valve magnetoresistive sensor with self-pinned laminated layer and magnetic recording system using the sensorIBM·Filed 1994·Granted Dec 10, 1996·297 cites·30 claims
- 0498US5561368ABridge circuit magnetic field sensor having spin valve magnetoresistive elements formed on common substrateIBM·Filed 1994·Granted Oct 1, 1996·216 cites·7 claims
- 0598US5408377AMagnetoresistive sensor with improved ferromagnetic sensing layer and magnetic recording system using the sensorIBM·Filed 1993·Granted Apr 18, 1995·289 cites·30 claims
- 0698US5206590AMagnetoresistive sensor based on the spin valve effectIBM·Filed 1990·Granted Apr 27, 1993·477 cites·16 claims
- 0797US5422571AMagnetoresistive spin valve sensor having a nonmagnetic back layerIBM·Filed 1993·Granted Jun 6, 1995·147 cites·47 claims
- 0897US5159513AMagnetoresistive sensor based on the spin valve effectIBM·Filed 1991·Granted Oct 27, 1992·268 cites·20 claims
- 0996US5650887ASystem for resetting sensor magnetization in a spin valve magnetoresistive sensorIBM·Filed 1996·Granted Jul 22, 1997·121 cites·18 claims
- 1096US5301079ACurrent biased magnetoresistive spin valve sensorIBM·Filed 1992·Granted Apr 5, 1994·101 cites·28 claims
- 1190US5696656AHighly sensitive orthogonal spin valve read headIBM·Filed 1996·Granted Dec 9, 1997·54 cites·13 claims
- 1288US5574605AAntiferromagnetic exchange coupling in magnetoresistive spin valve sensorsIBM·Filed 1995·Granted Nov 12, 1996·55 cites·19 claims
- 1387US5974657ATwo step resetting of magnetization of spin valve read head at the row levelIBM·Filed 1998·Granted Nov 2, 1999·52 cites·43 claims
- 1487US5341261AMagnetoresistive sensor having multilayer thin film structureIBM·Filed 1991·Granted Aug 23, 1994·56 cites·16 claims
- 1587US5014147AMagnetoresistive sensor with improved antiferromagnetic filmIBM·Filed 1989·Granted May 7, 1991·53 cites·15 claims
- 1686US5828530AOrthogonal spin valve sensor with reduced net fieldIBM·Filed 1997·Granted Oct 27, 1998·41 cites·11 claims
- 1781US5598308AMagnetoresistive sensor having multilayer thin film structureIBM·Filed 1994·Granted Jan 28, 1997·39 cites·7 claims
- 1880US5930084AStabilized MR sensor and flux guide joined by contiguous junctionIBM·Filed 1996·Granted Jul 27, 1999·25 cites·12 claims
- 1978US5893981AMethod of making stabilized MR sensor and flux guide joined by contiguous junctionIBM·Filed 1998·Granted Apr 13, 1999·29 cites·12 claims
- 2077US5856617AAtomic force microscope system with cantilever having unbiased spin valve magnetoresistive strain gaugeIBM·Filed 1997·Granted Jan 5, 1999·56 cites·11 claims
- 2171US6181532B1Stabilized MR sensor and flux/heat guide joined by contiguous junctionIBM·Filed 1999·Granted Jan 30, 2001·16 cites·8 claims
- 2270US6239955B1Stabilized MR sensor and heat guide joined by contiguous junctionIBM·Filed 1999·Granted May 29, 2001·22 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →