Inventor · disambiguated record
Jeffrey H. Derby
Also filed as: DERBY JEFFREY · DERBY JEFFREY H · DERBY JEFFREY HASKELL
64 granted patents·5 pending applications·1,821 citations·filing 1978–2022
99Inventor score
Top patents by PatentIndex Score
69 records- 0195US5426637AMethods and apparatus for interconnecting local area networks with wide area backbone networksIBM·Filed 1992·Granted Jun 20, 1995·311 cites·14 claims
- 0294US11687148B1Stacked, reconfigurable co-regulation of processing units for ultra-wide DVFSIBM·Filed 2022·Granted Jun 27, 2023·5 cites·20 claims
- 0394US7042841B2Controlling network congestion using a biased packet discard policy for congestion control and encoded session packets: methods, systems, and program productsIBM·Filed 2001·Granted May 9, 2006·123 cites·36 claims
- 0494US5359593ADynamic bandwidth estimation and adaptation for packet communications networksIBM·Filed 1993·Granted Oct 25, 1994·262 cites·10 claims
- 0589US6519738B1Method and apparatus for high-speed CRC computation based on state-variable transformationIBM·Filed 2000·Granted Feb 11, 2003·42 cites·24 claims
- 0688US6141784AMethod and system in a data communications system for the retransmission of only an incorrectly transmitted portion of a data packetIBM·Filed 1997·Granted Oct 31, 2000·103 cites·24 claims
- 0785US7519793B2Facilitating inter-DSP data communicationsIBM·Filed 2007·Granted Apr 14, 2009·12 cites·18 claims
- 0883US9740659B2Merging and sorting arrays on an SIMD processorIBM·Filed 2014·Granted Aug 22, 2017·7 cites·20 claims
- 0983US7068601B2Codec with network congestion detection and automatic fallback: methods, systems & program productsIBM·Filed 2001·Granted Jun 27, 2006·41 cites·19 claims
- 1083US7017028B2Apparatus and method for updating pointers for indirect and parallel register accessIBM·Filed 2003·Granted Mar 21, 2006·38 cites·30 claims
- 1183US5309433AMethods and apparatus for routing packets in packet transmission networksIBM·Filed 1992·Granted May 3, 1994·117 cites·12 claims
- 1281US6519737B1Computing the CRC bits at a time for data whose length in bits is not a multiple of MIBM·Filed 2000·Granted Feb 11, 2003·27 cites·19 claims
- 1379US8200905B2Effective prefetching with multiple processors and threadsBELL GORDON BERNARD·Filed 2008·Granted Jun 12, 2012·10 cites·10 claims
- 1479US7631167B2System for SIMD-oriented management of register maps for map-based indirect register-file accessIBM·Filed 2008·Granted Dec 8, 2009·8 cites·10 claims
- 1579US6940864B2Network access traffic sorterIBM·Filed 2001·Granted Sep 6, 2005·28 cites·31 claims
- 1679US6665336B2Modems, methods, and computer program products for selecting an optimum data rate using error signals representing the difference between the output of an equalizer and the output of a slicer or detectorIBM·Filed 2003·Granted Dec 16, 2003·22 cites·6 claims
- 1778US5483522APacket switching resource management within nodesIBM·Filed 1994·Granted Jan 9, 1996·72 cites·6 claims
- 1877US7352802B2System and method for controlling line driver power in digital subscriber line modemsIBM·Filed 2005·Granted Apr 1, 2008·5 cites·10 claims
- 1977US5425021APacket switching resource management within nodesIBM·Filed 1993·Granted Jun 13, 1995·72 cites·3 claims
- 2076US7003030B2Receivers, methods, and computer program products for an analog modem that receives data signals from a digital modemLENOVO SINGAPORE PTE LTD·Filed 2003·Granted Feb 21, 2006·24 cites·24 claims
- 2175US10042876B2Sort-merge-join on a large architected register fileIBM·Filed 2014·Granted Aug 7, 2018·4 cites·13 claims
- 2275US7072344B2Redistribution of excess bandwidth in networks for optimized performance of voice and data sessions: methods, systems and program productsIBM·Filed 2001·Granted Jul 4, 2006·20 cites·31 claims
- 2374US9448846B2Dynamically configurable hardware queues for dispatching jobs to a plurality of hardware acceleration enginesBASS BRIAN MITCHELL·Filed 2011·Granted Sep 20, 2016·3 cites·13 claims
- 2474US7855966B2Network congestion detection and automatic fallback: methods, systems and program productsIBM·Filed 2006·Granted Dec 21, 2010·6 cites·28 claims
- 2572US7325122B2Facilitating inter-DSP data communicationsIBM·Filed 2004·Granted Jan 29, 2008·14 cites·9 claims
- 2672US5398012ADistributed processing of route selection across networks and subnetworksIBM·Filed 1992·Granted Mar 14, 1995·69 cites·15 claims
- 2772US5274625ATraffic measurements in packet communications networksIBM·Filed 1992·Granted Dec 28, 1993·65 cites·15 claims
- 2871US11095313B2Employing single error correction and triple error detection to optimize bandwidth and resilience under multiple bit failuresIBM·Filed 2019·Granted Aug 17, 2021·2 cites·15 claims
- 2970US9817612B2High-performance hash joins using memory with extensive internal parallelismIBM·Filed 2014·Granted Nov 14, 2017·2 cites·12 claims
- 3070US5365523AForming and maintaining access groups at the lan/wan interfaceIBM·Filed 1992·Granted Nov 15, 1994·57 cites·23 claims
- 3169US8990281B2Techniques for improving the efficiency of mixed radix fast fourier transformIBM·Filed 2012·Granted Mar 24, 2015·2 cites·18 claims
- 3268US8543767B2Prefetching with multiple processors and threads via a coherency busBELL GORDON B·Filed 2012·Granted Sep 24, 2013·3 cites·6 claims
- 3367US7480327B2System and method for controlling line driver power in digital subscriber line modemsIBM·Filed 2007·Granted Jan 20, 2009·2 cites·10 claims
- 3467US6341360B1Decision feedback equalizers, methods, and computer program products for detecting severe error events and preserving equalizer filter characteristics in response theretoIBM·Filed 1999·Granted Jan 22, 2002·56 cites·18 claims
- 3567US4259642ARepeater feedback circuitBELL TELEPHONE LABOR INC·Filed 1978·Granted Mar 31, 1981·18 cites·2 claims
- 3666US9811287B2High-performance hash joins using memory with extensive internal parallelismIBM·Filed 2015·Granted Nov 7, 2017·1 cites·6 claims
- 3766US6915411B2SIMD processor with concurrent operation of vector pointer datapath and vector computation datapathIBM·Filed 2002·Granted Jul 5, 2005·12 cites·35 claims
- 3863US11061675B2Vector cross-compare count and sequence instructionsIBM·Filed 2019·Granted Jul 13, 2021·0 cites·20 claims
- 3963US7360063B2Method for SIMD-oriented management of register maps for map-based indirect register-file accessIBM·Filed 2006·Granted Apr 15, 2008·2 cites·10 claims
- 4063US6889346B2Scoping of real time signals of remote communication systems over a computer network: systems, methods and program productsIBM·Filed 2001·Granted May 3, 2005·8 cites·33 claims
- 4161US8250348B2Methods and apparatus for dynamically switching processor modeDAVIS GORDON T·Filed 2005·Granted Aug 21, 2012·3 cites·7 claims
- 4256US6965637B2System and method for controlling line driver power in a shared digital subscriber line modemIBM·Filed 2001·Granted Nov 15, 2005·3 cites·15 claims
- 4355US9606838B2Dynamically configurable hardware queues for dispatching jobs to a plurality of hardware acceleration enginesIBM·Filed 2015·Granted Mar 28, 2017·0 cites·4 claims
- 4455US5822328AFrame synchronization mechanism for digital simultaneous voice/data modemsIBM·Filed 1996·Granted Oct 13, 1998·26 cites·21 claims
- 4554US10564964B2Vector cross-compare count and sequence instructionsIBM·Filed 2016·Granted Feb 18, 2020·0 cites·20 claims
- 4654US9710310B2Dynamically configurable hardware queues for dispatching jobs to a plurality of hardware acceleration enginesIBM·Filed 2015·Granted Jul 18, 2017·0 cites·3 claims
- 4753US6661837B1Modems, methods, and computer program products for selecting an optimum data rate using error signals representing the difference between the output of an equalizer and the output of a slicer or detectorIBM·Filed 1999·Granted Dec 9, 2003·25 cites·27 claims
- 4851US9047230B2Techniques for improving the efficiency of mixed radix fast fourier transformIBM·Filed 2012·Granted Jun 2, 2015·0 cites·25 claims
- 4951US2008010390A1Facilitating Inter-DSP Data CommunicationsIBM·Filed 2007·Application pending·0 cites
- 5049US6826157B1Systems, methods, and computer program products for controlling data rate reductions in a communication device by using a plurality of filters to detect short-term bursts of errors and long-term sustainable errorsIBM·Filed 1999·Granted Nov 30, 2004·23 cites·47 claims
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