Inventor · disambiguated record
Toru Ishikawa
Also filed as: ISHIKAWA TORU
131 granted patents·17 pending applications·1,150 citations·filing 1989–2024
99Inventor score
Top patents by PatentIndex Score
148 records- 0198US11315620B2Semiconductor device performing row hammer refresh operationMICRON TECHNOLOGY INC·Filed 2020·Granted Apr 26, 2022·13 cites·8 claims
- 0297US11935576B2Semiconductor device performing row hammer refresh operationMICRON TECHNOLOGY INC·Filed 2022·Granted Mar 19, 2024·4 cites·20 claims
- 0397US11169876B2Apparatuses, systems, and methods for error correctionMICRON TECHNOLOGY INC·Filed 2020·Granted Nov 9, 2021·5 cites·20 claims
- 0495US8803308B2Semiconductor device having chip crack detection structureISHIKAWA TORU·Filed 2013·Granted Aug 12, 2014·16 cites·5 claims
- 0595US8624401B2Semiconductor device having chip crack detection structureISHIKAWA TORU·Filed 2012·Granted Jan 7, 2014·20 cites·20 claims
- 0694US7567476B2Semiconductor memory device and testing method thereofELPIDA MEMORY INC·Filed 2006·Granted Jul 28, 2009·33 cites·9 claims
- 0794US5521870ASemiconductor memory device having a coincidence detection circuit and its test methodNEC CORP·Filed 1994·Granted May 28, 1996·106 cites·10 claims
- 0893US11340984B2Apparatuses, systems, and methods for error correctionMICRON TECHNOLOGY INC·Filed 2020·Granted May 24, 2022·3 cites·19 claims
- 0992US11270750B2Semiconductor device performing row hammer refresh operationMICRON TECHNOLOGY INC·Filed 2020·Granted Mar 8, 2022·3 cites·20 claims
- 1092US11183260B1Transmit line monitoring circuitry, and related methods, devices, and systemsMICRON TECHNOLOGY INC·Filed 2020·Granted Nov 23, 2021·4 cites·20 claims
- 1191US8958259B2Device performing refresh operations of memory areasSAKAKIBARA KENICHI·Filed 2012·Granted Feb 17, 2015·12 cites·21 claims
- 1291US7759998B2Timing adjustment circuitELPIDA MEMORY INC·Filed 2007·Granted Jul 20, 2010·19 cites·11 claims
- 1389US11290103B1Charge transfer between gate terminals of subthreshold current reduction circuit transistors and related apparatuses and methodsMICRON TECHNOLOGY INC·Filed 2020·Granted Mar 29, 2022·2 cites·20 claims
- 1489US5635760ASurface mount semiconductor deviceNEC CORP·Filed 1996·Granted Jun 3, 1997·103 cites·15 claims
- 1588US9466562B2Semiconductor chip having plural penetration electrode penetrating therethroughPS4 LUXCO SARL·Filed 2012·Granted Oct 11, 2016·10 cites·20 claims
- 1688US8957695B2Semiconductor device having plural semiconductor chip stacked with one anotherELPIDA MEMORY INC·Filed 2012·Granted Feb 17, 2015·11 cites·11 claims
- 1788US7017796B2Method of manufacturing paper packaging container and paper packaging containerTETRA LAVAL HOLDINGS & FINANCE·Filed 2001·Granted Mar 28, 2006·28 cites·20 claims
- 1887US8780647B2Semiconductor deviceISHIKAWA TORU·Filed 2012·Granted Jul 15, 2014·6 cites·20 claims
- 1987US8274844B2Semiconductor memory device, information processing system including the same, and controllerTAKAHASHI YASUSHI·Filed 2010·Granted Sep 25, 2012·8 cites·14 claims
- 2087US6349183B1Image forming apparatusFUJI XEROX CO LTD·Filed 2000·Granted Feb 19, 2002·34 cites·8 claims
- 2185US8873325B2Semiconductor device performing refresh operationELPIDA MEMORY INC·Filed 2012·Granted Oct 28, 2014·7 cites·9 claims
- 2283US9018969B2Semiconductor device with aligned bumpsISHIKAWA TORU·Filed 2012·Granted Apr 28, 2015·10 cites·22 claims
- 2383US8953409B2Semiconductor device capable of minimizing mutual effects between two different operations thereinISHIKAWA TORU·Filed 2011·Granted Feb 10, 2015·7 cites·23 claims
- 2483US8104698B2Fuel injection valveHAYATANI MASAHIKO·Filed 2006·Granted Jan 31, 2012·13 cites·6 claims
- 2582US11681578B2Apparatuses, systems, and methods for multi-pump error correctionMICRON TECHNOLOGY INC·Filed 2021·Granted Jun 20, 2023·1 cites·20 claims
- 2682US10372544B2Apparatus including refresh controller controlling refresh operation responsive to data errorMICRON TECHNOLOGY INC·Filed 2015·Granted Aug 6, 2019·5 cites·16 claims
- 2782US6509776B2DLL circuit, semiconductor device using the same and delay control methodNEC CORP·Filed 2001·Granted Jan 21, 2003·49 cites·5 claims
- 2882US5337283ADynamic random access memory deviceNEC CORP·Filed 1992·Granted Aug 9, 1994·50 cites·8 claims
- 2981US5416790ASemiconductor laser with a self-sustained pulsationSANYO ELECTRIC CO·Filed 1993·Granted May 16, 1995·34 cites·10 claims
- 3080US7816949B2Signal transmission circuit and signal transmission system using the sameELPIDA MEMORY INC·Filed 2009·Granted Oct 19, 2010·8 cites·20 claims
- 3180US6392951B2Semiconductor storage deviceNEC CORP·Filed 2001·Granted May 21, 2002·30 cites·20 claims
- 3279US10360968B2Apparatuses and methods for refresh controlMICRON TECHNOLOGY INC·Filed 2018·Granted Jul 23, 2019·3 cites·7 claims
- 3378US9379063B2Semiconductor device and semiconductor chipPS4 LUXCO SARL·Filed 2015·Granted Jun 28, 2016·3 cites·16 claims
- 3478US7137022B2Timing adjustment circuit and semiconductor device including the sameELPIDA MEMORY INC·Filed 2003·Granted Nov 14, 2006·25 cites·8 claims
- 3577US9959921B2Apparatuses and methods for refresh controlMICRON TECHNOLOGY INC·Filed 2016·Granted May 1, 2018·3 cites·11 claims
- 3675US8994401B2Semiconductor device with buffer and replica circuitsELPIDA MEMORY INC·Filed 2013·Granted Mar 31, 2015·3 cites·1 claims
- 3775US8593897B2Memory controller, semiconductor storage device, and memory system including the memory controller and the semiconductor storage device for outputting temperature value in low power consumption modeKATO KUNIHIKO·Filed 2011·Granted Nov 26, 2013·3 cites·11 claims
- 3874US6508236B2Fuel supply device and internal combustion engine mounting the sameHITACHI LTD·Filed 2001·Granted Jan 21, 2003·15 cites·10 claims
- 3972US11645150B2Apparatuses, systems, and methods for error correctionMICRON TECHNOLOGY INC·Filed 2021·Granted May 9, 2023·0 cites·20 claims
- 4072US11217325B1Apparatuses and methods for providing internal double data rate operation from external single data rate signalsMICRON TECHNOLOGY INC·Filed 2020·Granted Jan 4, 2022·1 cites·20 claims
- 4172US5124752ADeveloping apparatusFUJI XEROX CO LTD·Filed 1991·Granted Jun 23, 1992·21 cites·10 claims
- 4271US7663956B2Semiconductor memory deviceELPIDA MEMORY INC·Filed 2007·Granted Feb 16, 2010·7 cites·10 claims
- 4371US7580307B2Semiconductor memory deviceELPIDA MEMORY INC·Filed 2007·Granted Aug 25, 2009·6 cites·7 claims
- 4471US6937081B2Delay producing method, delay adjusting method based on the same, and delay producing circuit and delay adjusting circuit applied with themELPIDA MEMORY INC·Filed 2003·Granted Aug 30, 2005·17 cites·7 claims
- 4570US11777488B2Charge transfer between gate terminals of sub-threshold current reduction circuit transistors and related apparatuses and methodsMICRON TECHNOLOGY INC·Filed 2022·Granted Oct 3, 2023·0 cites·15 claims
- 4670US11748198B2Apparatuses, systems, and methods for error correctionMICRON TECHNOLOGY INC·Filed 2022·Granted Sep 5, 2023·0 cites·20 claims
- 4770US6346830B1Data input/output circuit and interface system using the sameNEC CORP·Filed 2000·Granted Feb 12, 2002·17 cites·12 claims
- 4870US5020066ASurface-emitting-type semiconductor laser deviceDEV CORP OF JAPAN·Filed 1989·Granted May 28, 1991·22 cites·20 claims
- 4969US9852809B2Test mode circuit for memory apparatusMICRON TECHNOLOGY INC·Filed 2015·Granted Dec 26, 2017·1 cites·19 claims
- 5069US9082505B2Method for triggering a delay-locked loop (DLL) update operation or an impedance calibration operation in a dynamic random access memory devicePS4 LUXCO SARL·Filed 2015·Granted Jul 14, 2015·2 cites·11 claims
Showing the top 50 of 148 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →