Inventor · disambiguated record
Takao Akaogi
Also filed as: AKAOGI TAKAO
95 granted patents·4 pending applications·2,087 citations·filing 1987–2023
99Inventor score
Top patents by PatentIndex Score
99 records- 0198US11145337B1Sense amplifiersNANTERO INC·Filed 2020·Granted Oct 12, 2021·6 cites·30 claims
- 0298US6240040B1Multiple bank simultaneous operation for a flash memoryADVANCED MICRO DEVICES INC·Filed 2000·Granted May 29, 2001·292 cites·10 claims
- 0396US5867430ABank architecture for a non-volatile memory enabling simultaneous reading and writingADVANCED MICRO DEVICES INC·Filed 1996·Granted Feb 2, 1999·178 cites·28 claims
- 0495US5608670AFlash memory with improved erasability and its circuitryFUJITSU LTD·Filed 1995·Granted Mar 4, 1997·66 cites·8 claims
- 0594US5487036ANonvolatile semiconductor memoryFUJITSU LTD·Filed 1994·Granted Jan 23, 1996·79 cites·9 claims
- 0694US5452251ASemiconductor memory device for selecting and deselecting blocks of word linesFUJITSU LTD·Filed 1993·Granted Sep 19, 1995·70 cites·6 claims
- 0793US5590074ANonvolatile semiconductor memoryFUJITSU LTD·Filed 1995·Granted Dec 31, 1996·82 cites·7 claims
- 0892US5537356ANonvolatile semiconductor memoryFUJITSU LTD·Filed 1995·Granted Jul 16, 1996·89 cites·6 claims
- 0990US6618288B2Nonvolatile semiconductor memory device having electrically and collectively erasable characteristicsFUJITSU LTD·Filed 2002·Granted Sep 9, 2003·31 cites·2 claims
- 1088US6400633B1Power-saving modes for memoriesADVANCED MICRO DEVICES INC·Filed 2000·Granted Jun 4, 2002·41 cites·8 claims
- 1188US6208556B1Address transition detect timing architecture for a simultaneous operation flash memory deviceADVANCED MICRO DEVICES INC·Filed 2000·Granted Mar 27, 2001·43 cites·7 claims
- 1288US5576637AXOR CMOS logic gateFUJITSU LTD·Filed 1995·Granted Nov 19, 1996·40 cites·1 claims
- 1386US6104667AClock control circuit for generating an internal clock signal with one or more external clock cycles being blocked out and a synchronous flash memory device using the sameFUJITSU LTD·Filed 1999·Granted Aug 15, 2000·60 cites·34 claims
- 1484US7295475B2Flash memory programming using an indication bit to interpret stateSPANSION LLC·Filed 2005·Granted Nov 13, 2007·16 cites·17 claims
- 1582US6111787AAddress transistion detect timing architecture for a simultaneous operation flash memory deviceADVANCED MICRO DEVICES INC·Filed 1999·Granted Aug 29, 2000·44 cites·35 claims
- 1680US8654591B2Local word line driver and flash memory array device thereofAKAOGI TAKAO·Filed 2010·Granted Feb 18, 2014·8 cites·5 claims
- 1780US5402383AElectrically erasable non-volatile semiconductor memory device for selective use in boot block type or normal type flash memory devicesFUJITSU LTD·Filed 1993·Granted Mar 28, 1995·43 cites·11 claims
- 1878US6646950B2High speed decoder for flash memoryFUJITSU LTD·Filed 2001·Granted Nov 11, 2003·27 cites·5 claims
- 1978US5091888ASemiconductor memory deviceFUJITSU LTD·Filed 1990·Granted Feb 25, 1992·39 cites·9 claims
- 2077US6414874B2Nonvolatile semiconductor memory device having electrically and collectively erasable characteristicsFUJITSU LTD·Filed 2001·Granted Jul 2, 2002·13 cites·4 claims
- 2176US7986579B2Memory device and method thereofSPANSION LLC·Filed 2008·Granted Jul 26, 2011·9 cites·20 claims
- 2276US5770963AFlash memory with improved erasability and its circuitryFUJITSU LTD·Filed 1995·Granted Jun 23, 1998·19 cites·2 claims
- 2376US5640123ASubstrate voltage control circuit for a flash memoryFUJITSU LTD·Filed 1995·Granted Jun 17, 1997·19 cites·6 claims
- 2475US8638609B2Partial local self boosting for NANDLIN YA-FEN·Filed 2010·Granted Jan 28, 2014·6 cites·20 claims
- 2575US7283398B1Method for minimizing false detection of states in flash memory devicesSPANSION LLC·Filed 2004·Granted Oct 16, 2007·23 cites·17 claims
- 2675US5592419AFlash memory with improved erasability and its circuitryFUJITSU LTD·Filed 1995·Granted Jan 7, 1997·23 cites·1 claims
- 2774US5521866ANon-volatile semiconductor memory device having floating gateFUJITSU LTD·Filed 1993·Granted May 28, 1996·34 cites·14 claims
- 2873US6400638B1Wordline driver for flash memory read modeADVANCED MICRO DEVICES INC·Filed 2000·Granted Jun 4, 2002·20 cites·17 claims
- 2973US5490107ANonvolatile semiconductor memoryFUJITSU LTD·Filed 1992·Granted Feb 6, 1996·22 cites·44 claims
- 3072US6307787B1Burst read incorporating output based redundancyADVANCED MICRO DEVICES INC·Filed 2000·Granted Oct 23, 2001·20 cites·11 claims
- 3172US6185128B1Reference cell four-way switch for a simultaneous operation flash memory deviceADVANCED MICRO DEVICES INC·Filed 1999·Granted Feb 6, 2001·32 cites·6 claims
- 3272US5910916AFlash-erasable semiconductor memory device having improved reliabilityFUJITSU LTD·Filed 1997·Granted Jun 8, 1999·21 cites·7 claims
- 3372US5666314ASemiconductor memory device for selecting and deselecting blocks of word linesFUJITSU LTD·Filed 1995·Granted Sep 9, 1997·18 cites·5 claims
- 3471US5519652ANonvolatile semiconductor memory for positively holding stored dataFUJITSU LTD·Filed 1993·Granted May 21, 1996·31 cites·18 claims
- 3571US5197030ASemiconductor memory device having redundant memory cellsFUJITSU LTD·Filed 1990·Granted Mar 23, 1993·32 cites·11 claims
- 3670US6327181B1Reference cell bitline path architecture for a simultaneous operation flash memory deviceADVANCED MICRO DEVICES INC·Filed 1999·Granted Dec 4, 2001·29 cites·27 claims
- 3770US2024029765A1Methods for Programming and Accessing Resistive Change Elements Using Neutral Voltage ConditionsNANTERO INC·Filed 2023·Application pending·0 cites
- 3869US6347052B1Word line decoding architecture in a flash memoryADVANCED MICRO DEVICES INC·Filed 2000·Granted Feb 12, 2002·18 cites·7 claims
- 3968US7791947B2Non-volatile memory device and methods of usingSPANSION LLC·Filed 2008·Granted Sep 7, 2010·6 cites·20 claims
- 4068US6246609B1Decoder circuitFUJITSU LTD·Filed 1999·Granted Jun 12, 2001·26 cites·7 claims
- 4168US6134146AWordline driver for flash electrically erasable programmable read-only memory (EEPROM)ADVANCED MICRO DEVICES INC·Filed 1998·Granted Oct 17, 2000·26 cites·28 claims
- 4268US5237530AFrasable non-volatile semiconductor memory device having read/write test functionFUJITSU LTD·Filed 1991·Granted Aug 17, 1993·28 cites·12 claims
- 4368US4998223AProgrammable semiconductor memory apparatusFUJITSU LTD·Filed 1990·Granted Mar 5, 1991·26 cites·17 claims
- 4467US11817171B2Devices for providing neutral voltage conditions for resistive change elements in resistive change element arraysNANTERO INC·Filed 2021·Granted Nov 14, 2023·0 cites·36 claims
- 4567US6611473B2Power-saving modes for memoriesADVANCED MICRO DEVICES INC·Filed 2002·Granted Aug 26, 2003·13 cites·12 claims
- 4667US6205084B1Burst mode flash memoryFUJITSU LTD·Filed 1999·Granted Mar 20, 2001·25 cites·7 claims
- 4765US6359808B1Low voltage read cascode for 2V/3V and different bank combinations without metal options for a simultaneous operation flash memory deviceADVANCED MICRO DEVICES INC·Filed 1999·Granted Mar 19, 2002·24 cites·18 claims
- 4862US6014329AFlash-erasable semiconductor memory device having an improved reliabilityFUJITSU LTD·Filed 1997·Granted Jan 11, 2000·14 cites·12 claims
- 4962US5761127AFlash-erasable semiconductor memory device having an improved reliabilityFUJITSU LTD·Filed 1992·Granted Jun 2, 1998·14 cites·7 claims
- 5062US5038327ADecoder circuit of erasable programmable read only memory for avoiding erroneous operation caused by parasitic capacitorsFUJITSU LTD·Filed 1990·Granted Aug 6, 1991·21 cites·21 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →