Inventor · disambiguated record
Ralph Simmons
Also filed as: SIMMONS JR RALPH F · SIMMONS RALPH · SIMMONS RALPH F
13 granted patents·257 citations·filing 1983–2008
93Inventor score
Top patents by PatentIndex Score
13 records- 0193US6992857B2Weighting servo signals for head positioningHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Jan 31, 2006·41 cites·16 claims
- 0287US8116900B2Method and associated system for recording and retrieving fabrication and/or fitting data associated with a prosthetic componentSLEMKER TRACY C·Filed 2008·Granted Feb 14, 2012·42 cites·22 claims
- 0383US4970621ADemagnetization of thin film magnetic recording transducers utilizing a decreasing AC currentHEWLETT PACKARD CO·Filed 1988·Granted Nov 13, 1990·31 cites·8 claims
- 0482US7529060B2Read and write head element arrangementHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted May 5, 2009·16 cites·2 claims
- 0580US7239937B2Method and associated system for recording and retrieving fabrication and/or fitting data associated with a prosthetic componentPROSTHETIC DESIGN INC·Filed 2005·Granted Jul 3, 2007·24 cites·21 claims
- 0680US4843506AShields of magnetoresistive transducersHEWLETT PACKARD CO·Filed 1988·Granted Jun 27, 1989·23 cites·10 claims
- 0780US4555740AThin film transducer head for inductive recording and magnetoresistive readingHEWLETT PACKARD CO·Filed 1983·Granted Nov 26, 1985·26 cites·11 claims
- 0878US7356379B2Method and associated system for recording and retrieving fabrication and/or fitting data associated with a prosthetic componentPROSTHETIC DESIGN INC·Filed 2005·Granted Apr 8, 2008·17 cites·5 claims
- 0977US7656614B2Tape driveHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Feb 2, 2010·3 cites·18 claims
- 1067US7196866B2Interconnect structure having multiple layers of traces for electrical connection to a tape head assemblyHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 27, 2007·6 cites·22 claims
- 1161US6055117ASystems and method having data encoded with edge placement equalizationHEWLETT PACKARD CO·Filed 1998·Granted Apr 25, 2000·17 cites·20 claims
- 1257US7031089B2Tape head assemblyHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Apr 18, 2006·3 cites·19 claims
- 1349US5309304AMagnetoresistive transducer conductor configurationHEWLETT PACKARD CO·Filed 1992·Granted May 3, 1994·8 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →