Inventor · disambiguated record
Ian Shaeffer
Also filed as: SHAEFFER IAN · SHAEFFER IAN P
234 granted patents·22 pending applications·1,474 citations·filing 2000–2025
99Inventor score
Top patents by PatentIndex Score
256 records- 0199US10381067B2Memory system topologies including a buffer device and an integrated circuit memory deviceRAMBUS INC·Filed 2017·Granted Aug 13, 2019·23 cites·19 claims
- 0298US11727982B2Memory system topologies including a memory die stackRAMBUS INC·Filed 2022·Granted Aug 15, 2023·3 cites·20 claims
- 0398US11302368B2Memory device with circuitry to transmit feedback indicative of a phase relationshipRAMBUS INC·Filed 2020·Granted Apr 12, 2022·4 cites·20 claims
- 0498US11043258B2Memory system topologies including a memory die stackRAMBUS INC·Filed 2020·Granted Jun 22, 2021·5 cites·20 claims
- 0598US10902891B2Memory controller with staggered request signal outputRAMBUS INC·Filed 2020·Granted Jan 26, 2021·5 cites·20 claims
- 0698US9117496B2Memory device comprising programmable command-and-address and/or data interfacesRAMBUS INC·Filed 2013·Granted Aug 25, 2015·28 cites·29 claims
- 0798US8555116B1Memory error detectionRAMBUS INC·Filed 2012·Granted Oct 8, 2013·38 cites·28 claims
- 0898US8344475B2Integrated circuit heating to effect in-situ annealingRAMBUS INC·Filed 2010·Granted Jan 1, 2013·50 cites·38 claims
- 0998US7562271B2Memory system topologies including a buffer device and an integrated circuit memory deviceRAMBUS INC·Filed 2007·Granted Jul 14, 2009·68 cites·10 claims
- 1098US7321524B2Memory controller with staggered request signal outputRAMBUS INC·Filed 2005·Granted Jan 22, 2008·42 cites·14 claims
- 1197US11830573B2Memory controller with staggered request signal outputRAMBUS INC·Filed 2022·Granted Nov 28, 2023·2 cites·20 claims
- 1297US11328764B2Memory system topologies including a memory die stackRAMBUS INC·Filed 2021·Granted May 10, 2022·3 cites·20 claims
- 1397US11211105B2Memory device comprising programmable command-and-address and/or data interfacesRAMBUS INC·Filed 2020·Granted Dec 28, 2021·3 cites·20 claims
- 1497US9881662B2Method and apparatus for calibrating write timing in a memory systemRAMBUS INC·Filed 2017·Granted Jan 30, 2018·16 cites·19 claims
- 1597US9385719B2On-die terminationRAMBUS INC·Filed 2015·Granted Jul 5, 2016·15 cites·20 claims
- 1697US8352805B2Memory error detectionRAMBUS INC·Filed 2009·Granted Jan 8, 2013·47 cites·30 claims
- 1797US8108607B2Memory system topologies including a buffer device and an integrated circuit memory deviceSHAEFFER IAN·Filed 2010·Granted Jan 31, 2012·25 cites·24 claims
- 1897US7486104B2Integrated circuit with graduated on-die terminationRAMBUS INC·Filed 2006·Granted Feb 3, 2009·37 cites·90 claims
- 1996US11804250B2Memory with deferred fractional row activationRAMBUS INC·Filed 2022·Granted Oct 31, 2023·2 cites·20 claims
- 2096US11474957B2Memory access during memory calibrationRAMBUS INC·Filed 2020·Granted Oct 18, 2022·3 cites·20 claims
- 2196US11270741B2Deferred fractional memory row activationRAMBUS INC·Filed 2020·Granted Mar 8, 2022·3 cites·20 claims
- 2296US9691447B2Memory controller with staggered request signal outputRAMBUS INC·Filed 2015·Granted Jun 27, 2017·12 cites·20 claims
- 2396US9025409B2Memory buffers and modules supporting dynamic point-to-point connectionsSHAEFFER IAN·Filed 2012·Granted May 5, 2015·21 cites·31 claims
- 2496US8988102B2On-die terminationSHAEFFER IAN·Filed 2012·Granted Mar 24, 2015·13 cites·20 claims
- 2596US8707110B1Memory error detectionRAMBUS INC·Filed 2013·Granted Apr 22, 2014·19 cites·20 claims
- 2696US8638637B2Memory controller with staggered request signal outputRAMBUS INC·Filed 2012·Granted Jan 28, 2014·13 cites·20 claims
- 2796US8610455B2Dynamic on-die termination selectionOH KYUNG SUK·Filed 2011·Granted Dec 17, 2013·12 cites·39 claims
- 2896US8188762B2Controlling dynamic selection of on-die terminationOH KYUNG SUK·Filed 2011·Granted May 29, 2012·11 cites·38 claims
- 2995US11341067B2Coordinating memory operations using memory-device-generated reference signalsRAMBUS INC·Filed 2020·Granted May 24, 2022·3 cites·17 claims
- 3095US11049546B2Memory component with command-triggered data clock distributionRAMBUS INC·Filed 2020·Granted Jun 29, 2021·3 cites·20 claims
- 3195US10593379B2Memory controller with staggered request signal outputRAMBUS INC·Filed 2018·Granted Mar 17, 2020·6 cites·20 claims
- 3295US10333519B2On-die terminationRAMBUS INC·Filed 2018·Granted Jun 25, 2019·7 cites·21 claims
- 3395US10270442B2Memory component with on-die terminationRAMBUS INC·Filed 2018·Granted Apr 23, 2019·7 cites·20 claims
- 3495US10062421B2Memory controller with staggered request signal outputRAMBUS INC·Filed 2017·Granted Aug 28, 2018·6 cites·20 claims
- 3595US10056902B2On-die termination controlRAMBUS INC·Filed 2017·Granted Aug 21, 2018·7 cites·20 claims
- 3695US10014860B2On-die terminationRAMBUS INC·Filed 2017·Granted Jul 3, 2018·7 cites·20 claims
- 3795US9870283B2Memory error detectionRAMBUS INC·Filed 2015·Granted Jan 16, 2018·8 cites·20 claims
- 3895US9721630B2Strobe acquisition and trackingRAMBUS INC·Filed 2016·Granted Aug 1, 2017·13 cites·20 claims
- 3995US9705498B2On-die terminationRAMBUS INC·Filed 2016·Granted Jul 11, 2017·8 cites·22 claims
- 4095US9037949B1Error correction in a memory deviceRAMBUS INC·Filed 2013·Granted May 19, 2015·21 cites·23 claims
- 4195US8407441B2Method and apparatus for calibrating write timing in a memory systemGIOVANNINI THOMAS J·Filed 2011·Granted Mar 26, 2013·18 cites·22 claims
- 4295US8089824B2Memory controller with staggered request signal outputSHAEFFER IAN P·Filed 2009·Granted Jan 3, 2012·25 cites·54 claims
- 4395US7836378B2System to detect and identify errors in control information, read data and/or write dataRAMBUS INC·Filed 2008·Granted Nov 16, 2010·39 cites·41 claims
- 4495US7685364B2Memory system topologies including a buffer device and an integrated circuit memory deviceRAMBUS INC·Filed 2009·Granted Mar 23, 2010·22 cites·25 claims
- 4595US7558150B2Memory controller with staggered request signal outputRAMBUS INC·Filed 2007·Granted Jul 7, 2009·22 cites·11 claims
- 4694US9489323B2Folded memory modulesRAMBUS INC·Filed 2014·Granted Nov 8, 2016·15 cites·17 claims
- 4794US9337835B2Controlling a flash device having time-multiplexed, on-die-terminated signaling interfaceRAMBUS INC·Filed 2015·Granted May 10, 2016·8 cites·20 claims
- 4894US9330735B2Memory with deferred fractional row activationHARRIS JAMES EDWARD·Filed 2012·Granted May 3, 2016·19 cites·16 claims
- 4994US9165617B2Memory controller with staggered request signal outputRAMBUS INC·Filed 2014·Granted Oct 20, 2015·12 cites·20 claims
- 5094US9007862B2Reducing memory refresh exit timeRAMBUS INC·Filed 2013·Granted Apr 14, 2015·18 cites·18 claims
Showing the top 50 of 256 patent records by PatentIndex Score.
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