Inventor · disambiguated record
Masaaki Niijima
Also filed as: NIIJIMA MASAAKI
20 granted patents·106 citations·filing 1997–2020
93Inventor score
Top patents by PatentIndex Score
20 records- 0190US10249349B2Control systemTOSHIBA MEMORY CORP·Filed 2017·Granted Apr 2, 2019·10 cites·20 claims
- 0285US10910068B2Memory system and nonvolatile memoryKIOXIA CORP·Filed 2019·Granted Feb 2, 2021·6 cites·19 claims
- 0384US6587311B1Magnetic storage device having a head suspensionFUJITSU LTD·Filed 2000·Granted Jul 1, 2003·25 cites·10 claims
- 0480US10186326B2Memory device that executes an erase operation for a nonvolatile memoryTOSHIBA MEMORY CORP·Filed 2017·Granted Jan 22, 2019·4 cites·20 claims
- 0580US9728268B1Memory deviceTOSHIBA KK·Filed 2016·Granted Aug 8, 2017·5 cites·21 claims
- 0678US9788463B2Semiconductor memory device having a heat insulating mechanismTOSHIBA MEMORY CORP·Filed 2015·Granted Oct 10, 2017·5 cites·20 claims
- 0778US5978181AMagnetic head and magnetic recording/reproducing apparatusFUJITSU LTD·Filed 1997·Granted Nov 2, 1999·32 cites·11 claims
- 0872US10366771B2Controller, memory system, and block management method for NAND flash memory using the sameTOSHIBA MEMORY CORP·Filed 2017·Granted Jul 30, 2019·3 cites·14 claims
- 0969US9812215B2Memory device that executes an erase operation for a nonvolatile memoryTOSHIBA MEMORY CORP·Filed 2016·Granted Nov 7, 2017·2 cites·20 claims
- 1066US10497446B2Memory system controlling data erase for nonvolatile memory and control method for erasing dataTOSHIBA MEMORY CORP·Filed 2018·Granted Dec 3, 2019·2 cites·16 claims
- 1164US10552043B2Memory systemTOSHIBA MEMORY CORP·Filed 2015·Granted Feb 4, 2020·1 cites·21 claims
- 1264US9362000B2Memory system and management method thereofTOSHIBA KK·Filed 2014·Granted Jun 7, 2016·1 cites·14 claims
- 1358US10395723B2Memory system that differentiates voltages applied to word linesTOSHIBA MEMORY CORP·Filed 2017·Granted Aug 27, 2019·1 cites·20 claims
- 1450US6297938B1Magnetic head and method for producing the sameFUJITSU LTD·Filed 1999·Granted Oct 2, 2001·9 cites·8 claims
- 1545US11410735B2Memory systemKIOXIA CORP·Filed 2020·Granted Aug 9, 2022·0 cites·14 claims
- 1640US10740101B2Memory systemTOSHIBA MEMORY CORP·Filed 2019·Granted Aug 11, 2020·0 cites·16 claims
- 1740US10586601B2Semiconductor memory device and read control method thereofTOSHIBA MEMORY CORP·Filed 2018·Granted Mar 10, 2020·0 cites·17 claims
- 1839US11127476B2Memory system controlling a threshold voltage in a read operation and methodKIOXIA CORP·Filed 2020·Granted Sep 21, 2021·0 cites·14 claims
- 1938US10658055B2Memory system and method for controlling memory systemTOSHIBA MEMORY CORP·Filed 2018·Granted May 19, 2020·0 cites·20 claims
- 2037US9852786B2Semiconductor memory device that varies voltage levels depending on which of different memory regions thereof is accessedTOSHIBA MEMORY CORP·Filed 2016·Granted Dec 26, 2017·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →