Inventor · disambiguated record
Keiichi Sawa
Also filed as: SAWA KEIICHI
29 granted patents·11 pending applications·68 citations·filing 2013–2024
95Inventor score
Top patents by PatentIndex Score
40 records- 0196US9997533B2Semiconductor device and method for manufacturing sameTOSHIBA MEMORY CORP·Filed 2016·Granted Jun 12, 2018·17 cites·6 claims
- 0294US11349033B2Semiconductor device and semiconductor memory deviceKIOXIA CORP·Filed 2020·Granted May 31, 2022·3 cites·20 claims
- 0393US9287388B2Nonvolatile semiconductor memory device and method for manufacturing sameTOSHIBA KK·Filed 2013·Granted Mar 15, 2016·10 cites·22 claims
- 0492US11011532B2Floating gate nonvolatile semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2019·Granted May 18, 2021·4 cites·20 claims
- 0592US9892930B1Semiconductor memory device and method for manufacturing sameTOSHIBA MEMORY CORP·Filed 2017·Granted Feb 13, 2018·12 cites·18 claims
- 0691US9978765B2Nonvolatile semiconductor memory device and method for manufacturing sameTOSHIBA MEMORY CORP·Filed 2016·Granted May 22, 2018·5 cites·11 claims
- 0789US11974432B2Semiconductor storage device and method for manufacturing semiconductor storage deviceKIOXIA CORP·Filed 2021·Granted Apr 30, 2024·2 cites·21 claims
- 0889US2025098157A1Nonvolatile semiconductor memory device and method for manufacturing sameKIOXIA CORP·Filed 2024·Application pending·0 cites
- 0986US10910401B2Semiconductor device and method of manufacturing the sameTOSHIBA MEMORY CORP·Filed 2019·Granted Feb 2, 2021·3 cites·20 claims
- 1084US12193226B2Nonvolatile semiconductor memory device and method for manufacturing sameKIOXIA CORP·Filed 2023·Granted Jan 7, 2025·0 cites·20 claims
- 1184US10283646B2Nonvolatile semiconductor memory device and method for manufacturing the sameTOSHIBA MEMORY CORP·Filed 2017·Granted May 7, 2019·5 cites·17 claims
- 1279US11844219B2Semiconductor device and method of manufacturing the sameKIOXIA CORP·Filed 2022·Granted Dec 12, 2023·0 cites·20 claims
- 1377US10396280B2Semiconductor memory device and manufacturing method for sameTOSHIBA MEMORY CORP·Filed 2017·Granted Aug 27, 2019·2 cites·11 claims
- 1475US9312271B2Non-volatile memory device and method for manufacturing sameTOSHIBA KK·Filed 2015·Granted Apr 12, 2016·2 cites·12 claims
- 1574US11737262B2Nonvolatile semiconductor memory device and method for manufacturing sameKIOXIA CORP·Filed 2021·Granted Aug 22, 2023·0 cites·20 claims
- 1673US10312255B2Semiconductor device and method for manufacturing sameTOSHIBA MEMORY CORP·Filed 2017·Granted Jun 4, 2019·1 cites·6 claims
- 1772US11785774B2Semiconductor device and method of manufacturing the sameKIOXIA CORP·Filed 2022·Granted Oct 10, 2023·0 cites·12 claims
- 1872US10964716B2Semiconductor device and method of manufacturing sameTOSHIBA MEMORY CORP·Filed 2019·Granted Mar 30, 2021·1 cites·20 claims
- 1970US11751397B2Semiconductor storage device and method of manufacturing the sameKIOXIA CORP·Filed 2022·Granted Sep 5, 2023·0 cites·7 claims
- 2070US11404437B2Semiconductor device and method of manufacturing the sameKIOXIA CORP·Filed 2020·Granted Aug 2, 2022·0 cites·8 claims
- 2168US11335699B2Semiconductor device and method of manufacturing the sameKIOXIA CORP·Filed 2020·Granted May 17, 2022·0 cites·20 claims
- 2264US12477718B2Semiconductor device and semiconductor memory device each having portions of oxide semiconductor between gate insulating layer and electrodesKIOXIA CORP·Filed 2022·Granted Nov 18, 2025·0 cites·20 claims
- 2364US10777573B2Semiconductor device and method of manufacturing the sameTOSHIBA MEMORY CORP·Filed 2019·Granted Sep 15, 2020·0 cites·12 claims
- 2463US11398494B2Semiconductor storage device and method of manufacturing the sameKIOXIA CORP·Filed 2020·Granted Jul 26, 2022·0 cites·14 claims
- 2563US10490563B2Nonvolatile semiconductor memory device having floating gate-type memory cells and method for manufacturing sameTOSHIBA MEMORY CORP·Filed 2018·Granted Nov 26, 2019·0 cites·20 claims
- 2663US2025261369A1Semiconductor device manufacturing methodKIOXIA CORP·Filed 2024·Application pending·0 cites
- 2762US2022262954A1Semiconductor device and semiconductor memory deviceKIOXIA CORP·Filed 2022·Application pending·0 cites
- 2859US12356620B2Semiconductor device and method for manufacturing sameKIOXIA CORP·Filed 2022·Granted Jul 8, 2025·0 cites·20 claims
- 2959US10522596B2Semiconductor storage device comprising resistance change film and method of manufacturing the sameTOSHIBA MEMORY CORP·Filed 2018·Granted Dec 31, 2019·1 cites·12 claims
- 3053US2024074172A1Semiconductor storage device and method of manufacturing the sameKIOXIA CORP·Filed 2023·Application pending·0 cites
- 3152US12310065B2Semiconductor device, semiconductor memory device, and method for manufacturing semiconductor deviceKIOXIA CORP·Filed 2022·Granted May 20, 2025·0 cites·14 claims
- 3252US2023309310A1Semiconductor device and semiconductor memory deviceKIOXIA CORP·Filed 2022·Application pending·0 cites
- 3349US2017040340A1Semiconductor memory device and method for manufacturing the sameTOSHIBA KK·Filed 2016·Application pending·0 cites
- 3449US2022302160A1Semiconductor storage device and method for fabricating the sameKIOXIA CORP·Filed 2021·Application pending·0 cites
- 3547US10923487B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2019·Granted Feb 16, 2021·0 cites·20 claims
- 3647US9082703B2Nonvolatile semiconductor memory device, method for manufacturing same, and manufacturing apparatusTOSHIBA KK·Filed 2014·Granted Jul 14, 2015·0 cites·6 claims
- 3746US2016064406A1Semiconductor memory device and method for manufacturing the sameTOSHIBA KK·Filed 2015·Application pending·0 cites
- 3843US2022077183A1Semiconductor device and method of manufacturing sameKIOXIA CORP·Filed 2021·Application pending·0 cites
- 3940US2013256779A1Method of manufacturing semiconductor device and semiconductor deviceTOSHIBA KK·Filed 2013·Application pending·0 cites
- 4035US2016343657A1Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →