Inventor · disambiguated record
Tatsuo Izumi
Also filed as: IZUMI TATSUO
33 granted patents·8 pending applications·519 citations·filing 1986–2024
96Inventor score
Top patents by PatentIndex Score
41 records- 0199US7800163B2Non-volatile semiconductor storage deviceTOSHIBA KK·Filed 2008·Granted Sep 21, 2010·190 cites·11 claims
- 0298US8324680B2Non-volatile semiconductor storage device with laminated vertical memory cell and select transistorsIZUMI TATSUO·Filed 2011·Granted Dec 4, 2012·206 cites·11 claims
- 0389US2025046379A1Semiconductor memory deviceKIOXIA CORP·Filed 2024·Application pending·0 cites
- 0487US7902023B2Method of manufacturing non-volatile semiconductor storage deviceTOSHIBA KK·Filed 2010·Granted Mar 8, 2011·8 cites·9 claims
- 0586US9070474B2Nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2013·Granted Jun 30, 2015·10 cites·20 claims
- 0683US12148479B2Semiconductor memory deviceKIOXIA CORP·Filed 2023·Granted Nov 19, 2024·0 cites·6 claims
- 0780US10804290B2Semiconductor device and method of manufacturing the sameTOSHIBA MEMORY CORP·Filed 2019·Granted Oct 13, 2020·2 cites·19 claims
- 0879US10431311B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Oct 1, 2019·6 cites·20 claims
- 0979US10332904B2Semiconductor memory device and method for manufacturing sameTOSHIBA MEMORY CORP·Filed 2017·Granted Jun 25, 2019·2 cites·6 claims
- 1079US7825439B2Semiconductor memoryTOSHIBA KK·Filed 2008·Granted Nov 2, 2010·6 cites·18 claims
- 1179US6462110B2Concrete admixtureKAO CORP·Filed 2000·Granted Oct 8, 2002·23 cites·7 claims
- 1275US10991431B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2019·Granted Apr 27, 2021·2 cites·20 claims
- 1372US11849586B2Semiconductor device and method of manufacturing the sameKIOXIA CORP·Filed 2022·Granted Dec 19, 2023·0 cites·8 claims
- 1471US9019581B2Image processing apparatus and methodIZUMI TATSUO·Filed 2011·Granted Apr 28, 2015·2 cites·12 claims
- 1571US4759802ACement dispersion agentKAO CORP·Filed 1986·Granted Jul 26, 1988·28 cites·13 claims
- 1670US8867273B2Non-volatile semiconductor memory device and method of writing data thereinIZUMI TATSUO·Filed 2012·Granted Oct 21, 2014·4 cites·20 claims
- 1768US11769553B2Semiconductor memory deviceKIOXIA CORP·Filed 2021·Granted Sep 26, 2023·0 cites·6 claims
- 1867US8502321B2Semiconductor device and manufacturing method thereofIZUMI TATSUO·Filed 2011·Granted Aug 6, 2013·2 cites·10 claims
- 1966US11502100B2Semiconductor device and method of manufacturing the sameKIOXIA CORP·Filed 2020·Granted Nov 15, 2022·0 cites·9 claims
- 2066US11264061B2Control method for memory deviceKIOXIA CORP·Filed 2021·Granted Mar 1, 2022·0 cites·8 claims
- 2164US10424348B2Control method for memory deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Sep 24, 2019·1 cites·8 claims
- 2260US8497543B2Semiconductor memory device and method for manufacturing sameOGI JUN·Filed 2011·Granted Jul 30, 2013·2 cites·6 claims
- 2360US8270212B2Semiconductor memory device including alternately arranged contact membersIZUMI TATSUO·Filed 2010·Granted Sep 18, 2012·1 cites·19 claims
- 2456US10593696B2Semiconductor memory device and method for manufacturing sameTOSHIBA MEMORY CORP·Filed 2019·Granted Mar 17, 2020·0 cites·4 claims
- 2556US5674316AHydraulic compositionKAO CORP·Filed 1995·Granted Oct 7, 1997·15 cites·9 claims
- 2654US2021249440A1Memory deviceTOSHIBA MEMORY CORP·Filed 2021·Application pending·0 cites
- 2753US8929144B2Nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2013·Granted Jan 6, 2015·1 cites·20 claims
- 2850US2019355396A1Control method for memory deviceTOSHIBA MEMORY CORP·Filed 2019·Application pending·0 cites
- 2946US11024646B2Memory deviceTOSHIBA MEMORY CORP·Filed 2019·Granted Jun 1, 2021·0 cites·19 claims
- 3046US9224484B2Nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2014·Granted Dec 29, 2015·0 cites·15 claims
- 3144US11569253B2Semiconductor memory deviceKIOXIA CORP·Filed 2020·Granted Jan 31, 2023·0 cites·13 claims
- 3243US10529735B2Memory deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Jan 7, 2020·0 cites·18 claims
- 3343US8867277B2Nonvolatile semiconductor memory deviceIZUMI TATSUO·Filed 2012·Granted Oct 21, 2014·0 cites·20 claims
- 3443US2014138761A1Semiconductor device and manufacturing method of semiconductor deviceTOSHIBA KK·Filed 2013·Application pending·0 cites
- 3543US2011024825A1Semiconductor memoryIZUMI TATSUO·Filed 2010·Application pending·0 cites
- 3641US2012151301A1Semiconductor memory deviceIZUMI TATSUO·Filed 2011·Application pending·0 cites
- 3740US2013049098A1Nonvolatile semiconductor memory device and method of manufacturing the sameIZUMI TATSUO·Filed 2012·Application pending·0 cites
- 3838US10510417B2Semiconductor memory device and memory systemTOSHIBA MEMORY CORP·Filed 2018·Granted Dec 17, 2019·0 cites·18 claims
- 3938US2009234046A1Concrete and mortar admixtureIZUMI TATSUO·Filed 2006·Application pending·0 cites
- 4035US5256199ACement admixtureKAO CORP·Filed 1991·Granted Oct 26, 1993·3 cites·8 claims
- 4132US5720807AHydraulic composition and process for preparing the sameKAO CORP·Filed 1995·Granted Feb 24, 1998·5 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →