Inventor · disambiguated record
Kiyoshi Nakai
Also filed as: NAKAI KIYOSHI
43 granted patents·5 pending applications·743 citations·filing 1978–2025
98Inventor score
Top patents by PatentIndex Score
48 records- 0197US7502252B2Nonvolatile semiconductor memory device and phase change memory deviceELPIDA MEMORY INC·Filed 2005·Granted Mar 10, 2009·82 cites·10 claims
- 0295US8054679B2Phase change memory deviceELPIDA MEMORY INC·Filed 2008·Granted Nov 8, 2011·45 cites·14 claims
- 0393US6795362B2Power controlling method for semiconductor storage device and semiconductor storage device employing sameELPIDA MEMORY INC·Filed 2002·Granted Sep 21, 2004·80 cites·47 claims
- 0491US7333363B2Semiconductor storage apparatusELPIDA MEMORY INC·Filed 2006·Granted Feb 19, 2008·21 cites·20 claims
- 0591US6372554B1Semiconductor integrated circuit device and method for production of the sameHITACHI LTD·Filed 1999·Granted Apr 16, 2002·135 cites·21 claims
- 0689US7225390B2Semiconductor memory device provided with error correcting code circuitryELPIDA MEMORY INC·Filed 2003·Granted May 29, 2007·54 cites·14 claims
- 0787US11854601B2Apparatuses, systems, and methods for read clock timing alignment in stacked memory devicesMICRON TECHNOLOGY INC·Filed 2021·Granted Dec 26, 2023·1 cites·18 claims
- 0887US7554147B2Memory device and manufacturing method thereofELPIDA MEMORY INC·Filed 2006·Granted Jun 30, 2009·16 cites·4 claims
- 0984US7449711B2Phase-change-type semiconductor memory deviceELPIDA MEMORY INC·Filed 2006·Granted Nov 11, 2008·13 cites·17 claims
- 1083US7813178B2Semiconductor memory device and write control method thereforELPIDA MEMORY INC·Filed 2007·Granted Oct 12, 2010·14 cites·20 claims
- 1183US7508707B2Semiconductor storage apparatusELPIDA MEMORY INC·Filed 2007·Granted Mar 24, 2009·12 cites·6 claims
- 1282US11132253B2Direct-input redundancy scheme with dedicated error correction code circuitMICRON TECHNOLOGY INC·Filed 2018·Granted Sep 28, 2021·4 cites·23 claims
- 1381US7701758B2Nonvolatile memory device and control method thereofELPIDA MEMORY INC·Filed 2007·Granted Apr 20, 2010·13 cites·19 claims
- 1481US2025384911A1Circuitry borrowing for memory arraysMICRON TECHNOLOGY INC·Filed 2025·Application pending·0 cites
- 1580US7492033B2Semiconductor memory deviceELPIDA MEMORY INC·Filed 2006·Granted Feb 17, 2009·12 cites·17 claims
- 1680US6518835B2Semiconductor integrated circuit device having an optimal circuit layout to ensure stabilization of internal source voltages without lowering circuit functions and/or operating performanceHITACHI LTD·Filed 2002·Granted Feb 11, 2003·26 cites·12 claims
- 1777US6707139B2Semiconductor device with plural unit regions in which one or more MOSFETs are formedHITACHI LTD·Filed 2001·Granted Mar 16, 2004·23 cites·3 claims
- 1875US4269333APinch valve for a closed containerASAHI MALLEABLE IRON CO LTD·Filed 1978·Granted May 26, 1981·31 cites·5 claims
- 1972US7675770B2Phase change memory deviceELPIDA MEMORY INC·Filed 2006·Granted Mar 9, 2010·8 cites·16 claims
- 2071US11016843B2Direct-input redundancy scheme with adaptive syndrome decoderMICRON TECHNOLOGY INC·Filed 2018·Granted May 25, 2021·2 cites·8 claims
- 2171US7760545B2Semiconductor memory device and programming method thereofELPIDA MEMORY INC·Filed 2007·Granted Jul 20, 2010·7 cites·26 claims
- 2270US7738290B2Phase change memory deviceELPIDA MEMORY INC·Filed 2008·Granted Jun 15, 2010·7 cites·13 claims
- 2369US12340832B2Circuitry borrowing for memory arraysMICRON TECHNOLOGY INC·Filed 2021·Granted Jun 24, 2025·0 cites·20 claims
- 2467US7742332B2Phase-change random access memory device and semiconductor memory deviceELPIDA MEMORY INC·Filed 2008·Granted Jun 22, 2010·6 cites·15 claims
- 2567US7397695B2Semiconductor memory apparatus and method for writing in the memoryELPIDA MEMORY INC·Filed 2006·Granted Jul 8, 2008·6 cites·17 claims
- 2666US5557580AWord line driving circuitTEXAS INSTRUMENTS INC·Filed 1994·Granted Sep 17, 1996·27 cites·6 claims
- 2765US11740964B2Direct-input redundancy scheme with dedicated error correction code circuitMICRON TECHNOLOGY INC·Filed 2021·Granted Aug 29, 2023·0 cites·20 claims
- 2864US6274895B1Semiconductor integrated circuit deviceHITACHI LTD·Filed 1999·Granted Aug 14, 2001·27 cites·18 claims
- 2962US11709731B2Direct-input redundancy scheme with adaptive syndrome decoderMICRON TECHNOLOGY INC·Filed 2021·Granted Jul 25, 2023·0 cites·20 claims
- 3060US11217291B2Circuitry borrowing for memory arraysMICRON TECHNOLOGY INC·Filed 2019·Granted Jan 4, 2022·0 cites·24 claims
- 3159US7528402B2Electrically rewritable non-volatile memory elementELPIDA MEMORY INC·Filed 2006·Granted May 5, 2009·1 cites·7 claims
- 3258US6411160B1Semiconductor integrated circuit deviceHITACHI LTD·Filed 1999·Granted Jun 25, 2002·20 cites·20 claims
- 3357US7017027B2Address counter control system with path switchingHITACHI LTD·Filed 2003·Granted Mar 21, 2006·12 cites·6 claims
- 3456US6791132B2Memory semiconductor device with reduced sense amplifier areaHITACHI LTD·Filed 2002·Granted Sep 14, 2004·9 cites·12 claims
- 3553US8605494B2Memory device and writing method thereofSATO KOJI·Filed 2009·Granted Dec 10, 2013·2 cites·13 claims
- 3651US11869580B2Apparatuses, systems, and methods for counter-based read clock in stacked memory devicesMICRON TECHNOLOGY INC·Filed 2021·Granted Jan 9, 2024·0 cites·18 claims
- 3750US8094483B2Semiconductor device including bit line groupsNAKAI KIYOSHI·Filed 2009·Granted Jan 10, 2012·2 cites·17 claims
- 3847US7755952B2Semiconductor memory device and writing control method thereofELPIDA MEMORY INC·Filed 2008·Granted Jul 13, 2010·1 cites·11 claims
- 3946USRE45753ESemiconductor device including bit line groupsPS4 LUXCO SARL·Filed 2014·Granted Oct 13, 2015·0 cites·37 claims
- 4046US5497349ADynamic random access memory device having first and second I/O line groups isolated from each otherHITACHI LTD·Filed 1994·Granted Mar 5, 1996·11 cites·6 claims
- 4145US7590012B2Semiconductor storage deviceELPIDA MEMORY INC·Filed 2007·Granted Sep 15, 2009·0 cites·19 claims
- 4245US2007063180A1Electrically rewritable non-volatile memory element and method of manufacturing the sameELPIDA MEMORY INC·Filed 2006·Application pending·0 cites
- 4344US5615156ASemiconductor memory device having plural memory mats with centrally located reserve bit or word linesTEXAS INSTRUMENTS INC·Filed 1994·Granted Mar 25, 1997·10 cites·9 claims
- 4443US2014092679A1Memory device and writing method thereofELPIDA MEMORY INC·Filed 2013·Application pending·0 cites
- 4536US2013242641A1Semiconductor deviceELPIDA MEMORY INC·Filed 2013·Application pending·0 cites
- 4634US2007023639A1Liquid chromatographic apparatusYAMASHITA KAZUKO·Filed 2004·Application pending·0 cites
- 4731US8116154B2Semiconductor memory device with a write control circuit commonly provided for a plurality of pagesNAKAI KIYOSHI·Filed 2010·Granted Feb 14, 2012·0 cites·12 claims
- 4825US5174951AMethod of producing a porous metal and a metal product using the same such as a catalyst carrierASAHI TEC CORP·Filed 1990·Granted Dec 29, 1992·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →