Inventor · disambiguated record
Naoya Tokiwa
Also filed as: TOKIWA NAOYA
77 granted patents·7 pending applications·661 citations·filing 2003–2025
99Inventor score
Top patents by PatentIndex Score
84 records- 0199US9025378B2Semiconductor memory deviceTOSHIBA KK·Filed 2013·Granted May 5, 2015·45 cites·18 claims
- 0299US7983084B2Three-dimensionally stacked nonvolatile semiconductor memoryTOSHIBA KK·Filed 2009·Granted Jul 19, 2011·100 cites·11 claims
- 0398US9818487B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2017·Granted Nov 14, 2017·18 cites·20 claims
- 0498US8228733B2Three-dimensionally stacked nonvolatile semiconductor memoryTOKIWA NAOYA·Filed 2011·Granted Jul 24, 2012·40 cites·12 claims
- 0597US9147494B2Semiconductor memory deviceTOSHIBA KK·Filed 2015·Granted Sep 29, 2015·19 cites·17 claims
- 0696US11594282B2Semiconductor memory deviceKIOXIA CORP·Filed 2021·Granted Feb 28, 2023·2 cites·20 claims
- 0796US9627080B2Semiconductor memory deviceTOSHIBA KK·Filed 2016·Granted Apr 18, 2017·11 cites·20 claims
- 0896US9412458B2Semiconductor memory deviceTOSHIBA KK·Filed 2015·Granted Aug 9, 2016·11 cites·17 claims
- 0995US7388782B2Semiconductor integrated circuit deviceTOSHIBA KK·Filed 2006·Granted Jun 17, 2008·37 cites·12 claims
- 1094US7889537B2Non-volatile memory device and method for writing data theretoTOSHIBA KK·Filed 2008·Granted Feb 15, 2011·19 cites·15 claims
- 1194US7835174B2Non-volatile memory device and method of reading data therefromTOSHIBA KK·Filed 2008·Granted Nov 16, 2010·35 cites·20 claims
- 1293US10950307B2Semiconductor memory deviceKIOXIA CORP·Filed 2020·Granted Mar 16, 2021·3 cites·18 claims
- 1391US11551760B2Semiconductor memory deviceKIOXIA CORP·Filed 2021·Granted Jan 10, 2023·2 cites·18 claims
- 1491US8947933B2Nonvolatile semiconductor memory apparatusTOSHIBA KK·Filed 2013·Granted Feb 3, 2015·10 cites·16 claims
- 1591US7911854B2Semiconductor memory deviceTOSHIBA KK·Filed 2009·Granted Mar 22, 2011·17 cites·21 claims
- 1690US8120957B2Nonvolatile semiconductor storage device, nonvolatile semiconductor storage system and method of managing of defective column in nonvolatile semiconductor storage systemTOKIWA NAOYA·Filed 2010·Granted Feb 21, 2012·10 cites·20 claims
- 1788US12298826B2Semiconductor memory device and memory systemKIOXIA CORP·Filed 2023·Granted May 13, 2025·1 cites·24 claims
- 1888US8400814B2Semiconductor memory deviceTOKIWA NAOYA·Filed 2010·Granted Mar 19, 2013·10 cites·16 claims
- 1988US7724573B2Nonvolatile semiconductor storage device, nonvolatile semiconductor storage system and method of managing of defective column in nonvolatile semiconductor storage systemTOSHIBA KK·Filed 2008·Granted May 25, 2010·13 cites·19 claims
- 2087US12283327B2Semiconductor memory deviceKIOXIA CORP·Filed 2024·Granted Apr 22, 2025·0 cites·20 claims
- 2187US7911823B2Method of programming a non-volatile memory deviceTOSHIBA KK·Filed 2008·Granted Mar 22, 2011·17 cites·13 claims
- 2286US7876626B2Semiconductor memory device and semiconductor memory systemTOSHIBA KK·Filed 2009·Granted Jan 25, 2011·17 cites·20 claims
- 2386US7800935B2Resistance change memory deviceTOSHIBA KK·Filed 2008·Granted Sep 21, 2010·16 cites·14 claims
- 2485US2025218518A1Semiconductor memory deviceKIOXIA CORP·Filed 2025·Application pending·0 cites
- 2584US8582369B2Nonvolatile semiconductor memory deviceNAGADOMI YASUSHI·Filed 2012·Granted Nov 12, 2013·8 cites·19 claims
- 2684US8064272B2Semiconductor memory deviceNAGASHIMA HIROYUKI·Filed 2011·Granted Nov 22, 2011·6 cites·15 claims
- 2784US7952958B2Non-volatile semiconductor storage systemTOSHIBA KK·Filed 2009·Granted May 31, 2011·14 cites·29 claims
- 2884US7590006B2Semiconductor memory deviceTOSHIBA KK·Filed 2007·Granted Sep 15, 2009·15 cites·15 claims
- 2983US12020753B2Semiconductor memory deviceKIOXIA CORP·Filed 2023·Granted Jun 25, 2024·0 cites·20 claims
- 3082US8339833B2Electrically rewritable nonvolatile semiconductor storage device including a variable resistive elementTOKIWA NAOYA·Filed 2010·Granted Dec 25, 2012·8 cites·20 claims
- 3181USRE50034EThree-dimensionally stacked nonvolatile semiconductor memoryKIOXIA CORP·Filed 2022·Granted Jul 9, 2024·0 cites·24 claims
- 3281US11756627B2Semiconductor memory deviceKIOXIA CORP·Filed 2022·Granted Sep 12, 2023·0 cites·12 claims
- 3381US8117508B2Non-volatile memory device and programming method thereofTOKIWA NAOYA·Filed 2009·Granted Feb 14, 2012·12 cites·18 claims
- 3480USRE47866EThree-dimensionally stacked nonvolatile semiconductor memoryTOSHIBA MEMORY CORP·Filed 2016·Granted Feb 18, 2020·3 cites·21 claims
- 3580US9299438B2Semiconductor memory deviceTOSHIBA KK·Filed 2013·Granted Mar 29, 2016·7 cites·7 claims
- 3680US7864580B2Nonvolatile semiconductor storage device, nonvolatile semiconductor storage system and method of managing of defective column in nonvolatile semiconductor storage systemTOSHIBA KK·Filed 2010·Granted Jan 4, 2011·5 cites·1 claims
- 3780US7864586B2Non-volatile semiconductor memory deviceTOSHIBA KK·Filed 2008·Granted Jan 4, 2011·11 cites·18 claims
- 3880US7515470B2Semiconductor integrated circuit deviceTOSHIBA KK·Filed 2008·Granted Apr 7, 2009·10 cites·16 claims
- 3980US6937524B2Nonvolatile semiconductor memory device having a write control circuitTOSHIBA KK·Filed 2003·Granted Aug 30, 2005·27 cites·13 claims
- 4079US9928920B2Memory controller, storage device, and read retry methodTOSHIBA MEMORY CORP·Filed 2015·Granted Mar 27, 2018·5 cites·20 claims
- 4178US7463515B2Semiconductor memory deviceTOSHIBA KK·Filed 2007·Granted Dec 9, 2008·10 cites·11 claims
- 4277US10642537B2Semiconductor memoryTOSHIBA MEMORY CORP·Filed 2018·Granted May 5, 2020·3 cites·17 claims
- 4377US9875804B2Nonvolatile semiconductor memory device with read voltage setting controllerTOSHIBA MEMORY CORP·Filed 2016·Granted Jan 23, 2018·4 cites·15 claims
- 4477US9318212B2Nonvolatile memory device changing a period of an internal clockTOSHIBA KK·Filed 2013·Granted Apr 19, 2016·5 cites·12 claims
- 4576US2025238062A1Semiconductor memory device and memory systemKIOXIA CORP·Filed 2025·Application pending·0 cites
- 4674US11942158B2Semiconductor memory deviceKIOXIA CORP·Filed 2022·Granted Mar 26, 2024·0 cites·20 claims
- 4774US11094380B2Semiconductor memory deviceKIOXIA CORP·Filed 2020·Granted Aug 17, 2021·0 cites·20 claims
- 4874US8477542B2Semiconductor memory deviceNAGASHIMA HIROYUKI·Filed 2011·Granted Jul 2, 2013·3 cites·19 claims
- 4973US10811100B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2020·Granted Oct 20, 2020·0 cites·20 claims
- 5073US10140059B2Semiconductor memory device and memory systemTOSHIBA MEMORY CORP·Filed 2016·Granted Nov 27, 2018·3 cites·20 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →