Inventor · disambiguated record
Hiroto Nakai
Also filed as: NAKAI HIROTO
63 granted patents·5 pending applications·2,495 citations·filing 1987–2021
99Inventor score
Files withTOSHIBA KK50KUNIMATSU ATSUSHI4NAKAI HIROTO3TOSHIBA MEMORY CORP3HITACHI INF & CONTROL SYST2
Top patents by PatentIndex Score
68 records- 0198US8738851B2Device and memory system for swappable memoryTOSHIBA KK·Filed 2013·Granted May 27, 2014·64 cites·10 claims
- 0298US8458436B2Device and memory system for memory management using access frequency informationKUNIMATSU ATSUSHI·Filed 2012·Granted Jun 4, 2013·63 cites·6 claims
- 0398US8135900B2Integrated memory management and memory management methodKUNIMATSU ATSUSHI·Filed 2008·Granted Mar 13, 2012·110 cites·14 claims
- 0498US5297029ASemiconductor memory deviceTOSHIBA KK·Filed 1992·Granted Mar 22, 1994·204 cites·6 claims
- 0597US5321655ASemiconductor memory deviceTOSHIBA KK·Filed 1993·Granted Jun 14, 1994·145 cites·3 claims
- 0696US8589639B2Memory management unit and memory management method for controlling a nonvolatile memory and a volatile memoryNAKAI HIROTO·Filed 2010·Granted Nov 19, 2013·65 cites·9 claims
- 0796US5361227ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1992·Granted Nov 1, 1994·103 cites·130 claims
- 0896US5258958ASemiconductor memory deviceTOSHIBA KK·Filed 1990·Granted Nov 2, 1993·120 cites·164 claims
- 0994US6262926B1Nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2000·Granted Jul 17, 2001·87 cites·13 claims
- 1093US8031508B2Resistance change memory deviceTOSHIBA KK·Filed 2008·Granted Oct 4, 2011·25 cites·21 claims
- 1193US7139201B2Non-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 2005·Granted Nov 21, 2006·24 cites·74 claims
- 1293US6122193ANon-volatile semiconductor memory capable of storing 1-bit data or multi-bit dataTOSHIBA KK·Filed 1999·Granted Sep 19, 2000·82 cites·17 claims
- 1392US7272042B2Semiconductor integrated circuit deviceTOSHIBA KK·Filed 2006·Granted Sep 18, 2007·24 cites·10 claims
- 1492US5428569ANon-volatile semiconductor memory deviceTOSHIBA KK·Filed 1993·Granted Jun 27, 1995·92 cites·42 claims
- 1592US4819212ANonvolatile semiconductor memory device with readout test circuitryTOSHIBA KK·Filed 1987·Granted Apr 4, 1989·84 cites·17 claims
- 1691US6172911B1Non-volatile semiconductor memory device with an improved verify voltage generatorTOSHIBA KK·Filed 1999·Granted Jan 9, 2001·54 cites·10 claims
- 1791US6028794ANonvolatile semiconductor memory device and erasing method of the sameTOSHIBA KK·Filed 1998·Granted Feb 22, 2000·86 cites·20 claims
- 1891US5371702ABlock erasable nonvolatile memory deviceTOSHIBA KK·Filed 1993·Granted Dec 6, 1994·89 cites·13 claims
- 1990US5724300ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1997·Granted Mar 3, 1998·50 cites·44 claims
- 2088US5682346ANonvolatile semiconductor memory device having suitable writing efficiencyTOSHIBA KK·Filed 1996·Granted Oct 28, 1997·71 cites·19 claims
- 2187US6784933B1Solid-state imaging device and method for controlling sameTOSHIBA KK·Filed 2000·Granted Aug 31, 2004·42 cites·15 claims
- 2287US5615165ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1995·Granted Mar 25, 1997·43 cites·135 claims
- 2386US5546351ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1994·Granted Aug 13, 1996·65 cites·29 claims
- 2486US5197028ASemiconductor memory device with dual reference elementsTOSHIBA KK·Filed 1990·Granted Mar 23, 1993·63 cites·8 claims
- 2584US8184470B2Resistance change memory device and programming method thereofTODA HARUKI·Filed 2008·Granted May 22, 2012·15 cites·7 claims
- 2684US6967892B2Non-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 2004·Granted Nov 22, 2005·27 cites·102 claims
- 2783US6781895B1Non-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 2000·Granted Aug 24, 2004·27 cites·9 claims
- 2882US10776007B2Memory management device predicting an erase countTOSHIBA MEMORY CORP·Filed 2015·Granted Sep 15, 2020·4 cites·25 claims
- 2982US7061802B2Semiconductor integrated circuit deviceTOSHIBA KK·Filed 2004·Granted Jun 13, 2006·27 cites·16 claims
- 3082US5055706ADelay circuit that resets after pulse-like noiseTOSHIBA KK·Filed 1989·Granted Oct 8, 1991·30 cites·1 claims
- 3182US4922133AVoltage detecting circuitTOSHIBA KK·Filed 1988·Granted May 1, 1990·29 cites·10 claims
- 3281US9280466B2Information processing device including memory management device managing access from processor to memory and memory management methodKUNIMATSU ATSUSHI·Filed 2009·Granted Mar 8, 2016·12 cites·9 claims
- 3381US6331945B1Non-volatile semiconductor memory capable of storing one-bit data or multi-bit dataTOSHIBA KK·Filed 2000·Granted Dec 18, 2001·24 cites·27 claims
- 3481US5073726AInput circuit of semiconductor integrated circuit and semiconductor integrated circuit having input circuitTOSHIBA KK·Filed 1990·Granted Dec 17, 1991·34 cites·11 claims
- 3580US5793696ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1997·Granted Aug 11, 1998·27 cites·13 claims
- 3680US5587948ANonvolatile semiconductor memory with NAND structure memory arraysTOSHIBA KK·Filed 1995·Granted Dec 24, 1996·47 cites·6 claims
- 3779US5909399ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1998·Granted Jun 1, 1999·26 cites·22 claims
- 3878US6418052B1Nonvolatile semiconductor memory equipped with data latch circuits for transferring one-bit data or multi-bit dataTOSHIBA KK·Filed 2001·Granted Jul 9, 2002·19 cites·21 claims
- 3978US5818791ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1997·Granted Oct 6, 1998·24 cites·5 claims
- 4078US5436913ANon-volatile semiconductor memory device using successively longer write pulsesTOSHIBA KK·Filed 1993·Granted Jul 25, 1995·38 cites·10 claims
- 4175US9367451B2Storage device management device and method for managing storage deviceNAKAI HIROTO·Filed 2012·Granted Jun 14, 2016·4 cites·22 claims
- 4271US9166783B2Protection method, decryption method, player, storage medium, and encryption apparatus of digital contentNAGAI YUJI·Filed 2011·Granted Oct 20, 2015·3 cites·25 claims
- 4370US5553026ANon-volatile semiconductor memory deviceTOSHIBA KK·Filed 1994·Granted Sep 3, 1996·28 cites·10 claims
- 4470US4985646AOutput buffer circuit of semiconductor integrated circuitTOSHIBA KK·Filed 1989·Granted Jan 15, 1991·18 cites·21 claims
- 4569US5191552ASemiconductor memory device with address transition actuated dummy cellTOSHIBA KK·Filed 1991·Granted Mar 2, 1993·29 cites·6 claims
- 4668US5450361ASemiconductor memory device having redundant memory cellsTOSHIBA KK·Filed 1994·Granted Sep 12, 1995·21 cites·32 claims
- 4764US5615148ANonvolatile semiconductor memoryTOSHIBA KK·Filed 1996·Granted Mar 25, 1997·23 cites·9 claims
- 4864US5214609ASemiconductor integrated circuitTOSHIBA KK·Filed 1991·Granted May 25, 1993·28 cites·3 claims
- 4963US5010520ANonvolatile semiconductor memory device with stabilized data write characteristicTOSHIBA KK·Filed 1988·Granted Apr 23, 1991·19 cites·21 claims
- 5062US5040148ASemiconductor memory device with address transition actuated dummy cellTOSHIBA KK·Filed 1989·Granted Aug 13, 1991·19 cites·16 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →