Inventor · disambiguated record
Hai Ngoc Nguyen
Also filed as: NGUYEN HAI · NGUYEN HAI N · NGUYEN HAI NGOC
46 granted patents·14 pending applications·803 citations·filing 1982–2025
98Inventor score
Files withHEWLETT PACKARD ENTPR DEV LP30HEWLETT PACKARD DEVELOPMENT CO12COMPAQ COMPUTER CORP5AKEANA INC2NETLOGIC MICROSYSTEMS INC2
Top patents by PatentIndex Score
60 records- 0193US7487379B2High performance integrated circuit with low skew clocking networks and improved low power operating mode having reduced recovery timeRMI CORP·Filed 2005·Granted Feb 3, 2009·39 cites·18 claims
- 0291US7840783B1System and method for performing a register renaming operation utilizing hardware which is capable of operating in at least two modes utilizing registers of multiple widthsNETLOGIC MICROSYSTEMS INC·Filed 2007·Granted Nov 23, 2010·32 cites·28 claims
- 0391US5355073ABattery pack sensor for an AC adapterCOMPAQ COMPUTER CORP·Filed 1992·Granted Oct 11, 1994·169 cites·39 claims
- 0490US6738274B2Power supply with integrated bridge and boost circuitHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted May 18, 2004·91 cites·24 claims
- 0590US6311279B1Network node with internal battery backupCOMPAQ COMPUTER CORP·Filed 1998·Granted Oct 30, 2001·149 cites·26 claims
- 0681US10615436B2Fuel cell to power electronic componentsHEWLETT PACKARD ENTPR DEV LP·Filed 2015·Granted Apr 7, 2020·2 cites·17 claims
- 0780US5455757APower converter having regeneration circuit for reducing oscillationsCOMPAQ COMPUTER CORP·Filed 1994·Granted Oct 3, 1995·58 cites·18 claims
- 0879US6735097B1Method and apparatus of using leakage inductance as a boost inductorHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted May 11, 2004·35 cites·26 claims
- 0976US10840734B2Concurrent alternating-current and direct-currentHEWLETT PACKARD ENTPR DEV LP·Filed 2016·Granted Nov 17, 2020·2 cites·10 claims
- 1076US9829936B1Power source configuration to fit a memory slotHEWLETT PACKARD ENTPR DEV LP·Filed 2016·Granted Nov 28, 2017·2 cites·17 claims
- 1175USD625252SModular power supplyHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Granted Oct 12, 2010·20 cites·1 claims
- 1273US11139530B2Space saving, modular, hot-pluggable power modulesHEWLETT PACKARD ENTPR DEV LP·Filed 2016·Granted Oct 5, 2021·1 cites·20 claims
- 1370US7514816B2Output current threshold adjustment for a power supplyHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Apr 7, 2009·9 cites·10 claims
- 1469US7015682B2Control of a power factor corrected switching power supplyHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 21, 2006·19 cites·23 claims
- 1568US5402055AAC adapter including differential comparator for tracking battery voltage during trickle chargeCOMPAQ COMPUTER CORP·Filed 1992·Granted Mar 28, 1995·47 cites·10 claims
- 1667US10348123B2Powering loads with a power supply and an uninterruptible power supplyHEWLETT PACKARD ENTPR DEV LP·Filed 2013·Granted Jul 9, 2019·2 cites·20 claims
- 1767US7105950B2Power management in a system having a plurality of power suppliesHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Sep 12, 2006·21 cites·15 claims
- 1866US11588345B2Concurrent alternating-current and direct-currentHEWLETT PACKARD ENTPR DEV LP·Filed 2020·Granted Feb 21, 2023·0 cites·20 claims
- 1962US10591968B2Selectively-enabling battery back-up power based on a power demandHEWLETT PACKARD ENTPR DEV LP·Filed 2013·Granted Mar 17, 2020·1 cites·18 claims
- 2062US5317601AClock distribution system for an integrated circuit deviceSILICON GRAPHICS·Filed 1992·Granted May 31, 1994·44 cites·10 claims
- 2161US10191681B2Shared backup power self-refresh modeHEWLETT PACKARD ENTPR DEV LP·Filed 2014·Granted Jan 29, 2019·2 cites·18 claims
- 2261US7600181B2Circuit to reduce rail noise voltage spikes due to switching on an input-output busCISCO TECH INC·Filed 2006·Granted Oct 6, 2009·3 cites·21 claims
- 2361US5469320ALow power fan drive circuit for personal computersCOMPAQ COMPUTER CORP·Filed 1993·Granted Nov 21, 1995·24 cites·17 claims
- 2460US7711935B2Universal branch identifier for invalidation of speculative instructionsNETLOGIC MICROSYSTEMS INC·Filed 2007·Granted May 4, 2010·2 cites·33 claims
- 2560US7400067B2Operation of a redundant power supply without isolation devicesHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Jul 15, 2008·5 cites·23 claims
- 2655US10236034B2Memory module battery backupHEWLETT PACKARD ENTPR DEV LP·Filed 2017·Granted Mar 19, 2019·0 cites·14 claims
- 2755US2024168882A1Processor and network-on-chip coherency managementAKEANA INC·Filed 2023·Application pending·0 cites
- 2854US7053593B2Protection circuits for a DC-to-DC converterHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted May 30, 2006·10 cites·26 claims
- 2954US2025342080A1Vector length determination for fault-only-first loads with out-of-order micro-operationsAKEANA INC·Filed 2025·Application pending·0 cites
- 3053US10101790B2Load selection for receiving power from a battery moduleHEWLETT PACKARD ENTPR DEV LP·Filed 2014·Granted Oct 16, 2018·0 cites·19 claims
- 3153US9779781B1Memory module battery backupHEWLETT PACKARD ENTPR DEV LP·Filed 2016·Granted Oct 3, 2017·0 cites·20 claims
- 3252US7531918B2Hot insertion and extraction of power supply moduleHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted May 12, 2009·2 cites·7 claims
- 3351US10620857B2Combined backup powerHEWLETT PACKARD ENTPR DEV LP·Filed 2014·Granted Apr 14, 2020·0 cites·16 claims
- 3450US10861506B2Memory module battery backupHEWLETT PACKARD ENTPR DEV LP·Filed 2019·Granted Dec 8, 2020·0 cites·14 claims
- 3550US10177596B2Backup power managerHEWLETT PACKARD ENTPR DEV LP·Filed 2016·Granted Jan 8, 2019·0 cites·13 claims
- 3649US7285947B2Power metering using current-indicative signalHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Oct 23, 2007·1 cites·31 claims
- 3749US2009147459A1Modular Power Supply for Computer ServersHEWLETT PACKARD DEVELOPMENT CO·Filed 2007·Application pending·0 cites
- 3848US10928874B2Bypass switch controlHEWLETT PACKARD ENTPR DEV LP·Filed 2015·Granted Feb 23, 2021·0 cites·19 claims
- 3948US10664034B2Communication associated with multiple nodes for delivery of powerHEWLETT PACKARD ENTPR DEV LP·Filed 2014·Granted May 26, 2020·0 cites·16 claims
- 4047US10193360B2Uninterruptible power supply receptive to different types of output modulesHEWLETT PACKARD ENTPR DEV LP·Filed 2016·Granted Jan 29, 2019·0 cites·16 claims
- 4147US2021044141A1Parallel output of backup power modulesHEWLETT PACKARD ENTPR DEV LP·Filed 2020·Application pending·0 cites
- 4247US2017310126A1Voltage regulation for battery stringsHEWLETT PACKARD ENTPR DEV LP·Filed 2014·Application pending·0 cites
- 4344US10845859B2Parallel output of backup power modulesHEWLETT PACKARD ENTPR DEV LP·Filed 2015·Granted Nov 24, 2020·0 cites·3 claims
- 4444US10804735B2Uninterruptible power supplyHEWLETT PACKARD ENTPR DEV LP·Filed 2016·Granted Oct 13, 2020·0 cites·9 claims
- 4544US10374455B2Uninterruptible power supply including battery modules connected directly to direct current-alternating current inverterHEWLETT PACKARD ENTPR DEV LP·Filed 2016·Granted Aug 6, 2019·0 cites·20 claims
- 4644US2017220354A1Server node shutdownHEWLETT PACKARD ENTPR DEV LP·Filed 2014·Application pending·0 cites
- 4744US2015349584A1Battery to provide voltage to power modulesNGUYEN HAI NGOC·Filed 2012·Application pending·0 cites
- 4843US11873813B2Suction/compression rotating mechanism, rotary compressor and rotary engineNGUYEN HAI·Filed 2019·Granted Jan 16, 2024·0 cites·11 claims
- 4942US10797361B2Battery charge voltage based on ambient temperatureHEWLETT PACKARD ENTPR DEV LP·Filed 2015·Granted Oct 6, 2020·0 cites·20 claims
- 5042US10447047B2Charging energy storage modulesHEWLETT PACKARD ENTPR DEV LP·Filed 2016·Granted Oct 15, 2019·0 cites·6 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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