Inventor · disambiguated record
David C. Long
Also filed as: LONG DAVID · LONG DAVID C · LONG DAVID CLIFFORD
167 granted patents·8 pending applications·2,850 citations·filing 1988–2022
99Inventor score
Top patents by PatentIndex Score
175 records- 0199US9578764B1Enclosure with inner tamper-respondent sensor(s) and physical security element(s)IBM·Filed 2015·Granted Feb 21, 2017·40 cites·19 claims
- 0298US9717154B2Enclosure with inner tamper-respondent sensor(s)IBM·Filed 2017·Granted Jul 25, 2017·34 cites·18 claims
- 0398US9661747B1Tamper-respondent assemblies with enclosure-to-board protectionIBM·Filed 2016·Granted May 23, 2017·43 cites·15 claims
- 0498US9591776B1Enclosure with inner tamper-respondent sensor(s)IBM·Filed 2015·Granted Mar 7, 2017·39 cites·18 claims
- 0598US9554477B1Tamper-respondent assemblies with enclosure-to-board protectionIBM·Filed 2015·Granted Jan 24, 2017·48 cites·16 claims
- 0698US7515178B1Method of correcting distortions in digital images captured by a digital camera systemIBM·Filed 2008·Granted Apr 7, 2009·55 cites·3 claims
- 0797US9911012B2Overlapping, discrete tamper-respondent sensorsIBM·Filed 2015·Granted Mar 6, 2018·14 cites·9 claims
- 0897US9877383B2Tamper-respondent assemblies with enclosure-to-board protectionIBM·Filed 2017·Granted Jan 23, 2018·17 cites·12 claims
- 0997US9555606B1Applying pressure to adhesive using CTE mismatch between componentsIBM·Filed 2015·Granted Jan 31, 2017·36 cites·17 claims
- 1096US9936573B2Tamper-respondent assembliesIBM·Filed 2015·Granted Apr 3, 2018·13 cites·13 claims
- 1196US9924591B2Tamper-respondent assembliesIBM·Filed 2015·Granted Mar 20, 2018·13 cites·20 claims
- 1296US9913370B2Tamper-proof electronic packages formed with stressed glassIBM·Filed 2016·Granted Mar 6, 2018·14 cites·18 claims
- 1396US9913362B2Tamper-respondent assemblies with bond protectionIBM·Filed 2015·Granted Mar 6, 2018·13 cites·10 claims
- 1496US9894749B2Tamper-respondent assemblies with bond protectionIBM·Filed 2015·Granted Feb 13, 2018·15 cites·18 claims
- 1596US8390729B2Method and apparatus for providing a video image having multiple focal lengthsLONG DAVID CLIFFORD·Filed 2007·Granted Mar 5, 2013·218 cites·16 claims
- 1695US10306753B1Enclosure-to-board interface with tamper-detect circuit(s)IBM·Filed 2018·Granted May 28, 2019·16 cites·13 claims
- 1795US10168185B2Circuit boards and electronic packages with embedded tamper-respondent sensorIBM·Filed 2015·Granted Jan 1, 2019·10 cites·8 claims
- 1895US9999124B2Tamper-respondent assemblies with trace regions of increased susceptibility to breakingIBM·Filed 2016·Granted Jun 12, 2018·15 cites·20 claims
- 1995US9913416B2Enclosure with inner tamper-respondent sensor(s) and physical security element(s)IBM·Filed 2015·Granted Mar 6, 2018·11 cites·11 claims
- 2094US6262357B1Thermoelectric devices and methods for making the sameIBM·Filed 2000·Granted Jul 17, 2001·84 cites·11 claims
- 2193US7724527B2Method and structure to improve thermal dissipation from semiconductor devicesIBM·Filed 2008·Granted May 25, 2010·24 cites·20 claims
- 2293US7709951B2Thermal pillowIBM·Filed 2007·Granted May 4, 2010·27 cites·20 claims
- 2393US7118385B1Apparatus for implementing a self-centering land grid array socketIBM·Filed 2005·Granted Oct 10, 2006·29 cites·17 claims
- 2493US5629631AInterface card for a probe card assemblyIBM·Filed 1995·Granted May 13, 1997·113 cites·5 claims
- 2592US7468886B2Method and structure to improve thermal dissipation from semiconductor devicesIBM·Filed 2007·Granted Dec 23, 2008·21 cites·1 claims
- 2692US5808268AMethod for marking substratesIBM·Filed 1996·Granted Sep 15, 1998·60 cites·15 claims
- 2792US5541731AInterferometric measurement and alignment technique for laser scannersIBM·Filed 1995·Granted Jul 30, 1996·101 cites·22 claims
- 2891US7806341B2Structure for implementing secure multichip modules for encryption applicationsIBM·Filed 2009·Granted Oct 5, 2010·16 cites·26 claims
- 2991US7281667B2Method and structure for implementing secure multichip modules for encryption applicationsIBM·Filed 2005·Granted Oct 16, 2007·18 cites·4 claims
- 3091US5530371AProbe card assemblyIBM·Filed 1995·Granted Jun 25, 1996·83 cites·8 claims
- 3190US6262390B1Repair process for aluminum nitride substratesIBM·Filed 1998·Granted Jul 17, 2001·66 cites·24 claims
- 3290US6121539AThermoelectric devices and methods for making the sameIBM·Filed 1998·Granted Sep 19, 2000·94 cites·30 claims
- 3390US5546012AProbe card assembly having a ceramic probe cardIBM·Filed 1994·Granted Aug 13, 1996·69 cites·19 claims
- 3489US10172232B2Tamper-respondent assemblies with enclosure-to-board protectionIBM·Filed 2017·Granted Jan 1, 2019·4 cites·13 claims
- 3588US10378925B2Circuit boards and electronic packages with embedded tamper-respondent sensorIBM·Filed 2018·Granted Aug 13, 2019·3 cites·9 claims
- 3688US10178818B2Enclosure with inner tamper-respondent sensor(s) and physical security element(s)IBM·Filed 2017·Granted Jan 8, 2019·4 cites·20 claims
- 3788US10175064B2Circuit boards and electronic packages with embedded tamper-respondent sensorIBM·Filed 2015·Granted Jan 8, 2019·4 cites·7 claims
- 3888US10098235B2Tamper-respondent assemblies with region(s) of increased susceptibility to damageIBM·Filed 2015·Granted Oct 9, 2018·5 cites·17 claims
- 3988US6532654B2Method of forming an electrical connectorIBM·Filed 2001·Granted Mar 18, 2003·38 cites·24 claims
- 4087US10595401B1Tamper detection at enclosure-to-board interfaceIBM·Filed 2019·Granted Mar 17, 2020·5 cites·20 claims
- 4187US9913389B2Tamper-respondent assembly with vent structureIBM·Filed 2015·Granted Mar 6, 2018·5 cites·18 claims
- 4287US7880739B2Virtual window with simulated parallax and field of view changeIBM·Filed 2006·Granted Feb 1, 2011·18 cites·22 claims
- 4387US7391442B1Digital camera including a distortion correction systemIBM·Filed 2007·Granted Jun 24, 2008·9 cites·3 claims
- 4487US6528735B1Substrate design of a chip using a generic substrate designIBM·Filed 2001·Granted Mar 4, 2003·41 cites·18 claims
- 4587US4821614AProgrammable magnetic repulsion punching apparatusIBM·Filed 1988·Granted Apr 18, 1989·58 cites·28 claims
- 4686US10331915B2Overlapping, discrete tamper-respondent sensorsIBM·Filed 2017·Granted Jun 25, 2019·3 cites·2 claims
- 4786US10172239B2Tamper-respondent sensors with formed flexible layer(s)IBM·Filed 2015·Granted Jan 1, 2019·4 cites·19 claims
- 4885US7472836B2Method and structure for implementing secure multichip modules for encryption applicationsIBM·Filed 2007·Granted Jan 6, 2009·11 cites·5 claims
- 4984US10531561B2Enclosure-to-board interface with tamper-detect circuit(s)IBM·Filed 2019·Granted Jan 7, 2020·3 cites·11 claims
- 5084US10378924B2Circuit boards and electronic packages with embedded tamper-respondent sensorIBM·Filed 2018·Granted Aug 13, 2019·2 cites·16 claims
Showing the top 50 of 175 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →