Inventor · disambiguated record
Joao N. V. L. Ramalho
Also filed as: RAMALHO JOAO N V L · RAMALHO JOAO NUNO · RAMALHO JOAO NUNO V L · RAMALHO JOAO NUNO VILA LOBOS
14 granted patents·314 citations·filing 1994–2002
93Inventor score
Top patents by PatentIndex Score
14 records- 0188US6424475B1Magnetic head conductivity testing and form factor determination in a read/write deviceKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Jul 23, 2002·31 cites·17 claims
- 0285US5589777ACircuit and method for testing a disk drive head assembly without probingHEWLETT PACKARD CO·Filed 1995·Granted Dec 31, 1996·62 cites·20 claims
- 0384US5841603AArrangement comprising a magnetic write head, and write amplifier with capacitive feed-forward compensationPHILIPS CORP·Filed 1996·Granted Nov 24, 1998·47 cites·17 claims
- 0484US5619386AArrangement for reading information from a track on a record carrier comprising a fast settling read amplifier for magneto-resistive headsPHILIPS CORP·Filed 1994·Granted Apr 8, 1997·54 cites·28 claims
- 0579US6225802B1Apparatus for automatic measurement of resistance of integrated MR devicePHILIPS CORP·Filed 1999·Granted May 1, 2001·49 cites·16 claims
- 0669US5559646ABalanced arrangement for reading information from a track on a record carrier which arrangement includes amplifier circuits containing cut-off capacitors which are cross-coupled to reduce noisePHILIPS CORP·Filed 1994·Granted Sep 24, 1996·19 cites·31 claims
- 0766US6940670B2Method of reading magnetic information which is immunized against thermal asperitiesKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Sep 6, 2005·6 cites·9 claims
- 0848US6876253B2Amplifier for alternating signals superimposed on a continuous signal and method for amplifying such signalsKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Apr 5, 2005·2 cites·7 claims
- 0944US6324028B1Recording apparatus provided with a write driver circuitPHILIPS CORP·Filed 1999·Granted Nov 27, 2001·7 cites·20 claims
- 1042US6304396B1Arrangement for reading information from a magnetic record carrierPHILIPS CORP·Filed 1999·Granted Oct 16, 2001·11 cites·12 claims
- 1141US6188250B1Peak detection apparatusPHILIPS CORP·Filed 1999·Granted Feb 13, 2001·12 cites·16 claims
- 1240US6137647AAutomatic gain control circuit for use in detecting servo pulses for controlling the position of a read head in a hard disk drivePHILIPS CORP·Filed 1998·Granted Oct 24, 2000·7 cites·9 claims
- 1338US6449113B1Device for reading magnetic informationKONINKL PHILIPS ELECTRONICS NV·Filed 1999·Granted Sep 10, 2002·4 cites·11 claims
- 1432US5568091ADifferential amplifier with common-mode rejection for low supply voltagesPHILIPS CORP·Filed 1995·Granted Oct 22, 1996·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →