Inventor · disambiguated record
Masaru Koyanagi
Also filed as: KOYANAGI MASARU
137 granted patents·9 pending applications·1,027 citations·filing 1978–2024
99Inventor score
Top patents by PatentIndex Score
146 records- 0197US10679710B2Semiconductor deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Jun 9, 2020·47 cites·19 claims
- 0294US10461750B2Semiconductor deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Oct 29, 2019·12 cites·10 claims
- 0394US8928399B2Semiconductor device having stacked chipsTOSHIBA KK·Filed 2013·Granted Jan 6, 2015·10 cites·4 claims
- 0493US12034441B2Semiconductor deviceKIOXIA CORP·Filed 2023·Granted Jul 9, 2024·1 cites·20 claims
- 0593US10790266B2Memory device with a plurality of stacked memory core chipsTOSHIBA MEMORY CORP·Filed 2019·Granted Sep 29, 2020·8 cites·9 claims
- 0692US11594521B2Stacked chips comprising interconnectsKIOXIA CORP·Filed 2021·Granted Feb 28, 2023·2 cites·17 claims
- 0792US11121710B2Semiconductor deviceKIOXIA CORP·Filed 2020·Granted Sep 14, 2021·3 cites·11 claims
- 0892US10360982B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2017·Granted Jul 23, 2019·9 cites·18 claims
- 0992US9853013B2Semiconductor device having stacked chipsTOSHIBA MEMORY CORP·Filed 2016·Granted Dec 26, 2017·5 cites·10 claims
- 1089US10541231B2Semiconductor device having stacked chipsTOSHIBA MEMORY CORP·Filed 2018·Granted Jan 21, 2020·3 cites·17 claims
- 1189US9431322B2Semiconductor device having stacked chipsTOSHIBA KK·Filed 2014·Granted Aug 30, 2016·5 cites·13 claims
- 1289US8879335B2Input circuitKOYANAGI MASARU·Filed 2012·Granted Nov 4, 2014·13 cites·15 claims
- 1389US7683491B2Semiconductor deviceTOSHIBA KK·Filed 2007·Granted Mar 23, 2010·22 cites·16 claims
- 1488US10157894B2Semiconductor device having stacked chipsTOSHIBA MEMORY CORP·Filed 2017·Granted Dec 18, 2018·3 cites·10 claims
- 1588US7911844B2Non-volatile semiconductor storage deviceTOSHIBA KK·Filed 2008·Granted Mar 22, 2011·13 cites·18 claims
- 1687US11277134B2Semiconductor memory deviceKIOXIA CORP·Filed 2020·Granted Mar 15, 2022·2 cites·10 claims
- 1787US10482977B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Nov 19, 2019·3 cites·19 claims
- 1887US6498741B2Semiconductor memory deviceTOSHIBA KK·Filed 2000·Granted Dec 24, 2002·38 cites·20 claims
- 1986US10985141B2Semiconductor device having stacked chipsTOSHIBA MEMORY CORP·Filed 2019·Granted Apr 20, 2021·2 cites·13 claims
- 2086US10530350B2Correction circuitTOSHIBA MEMORY CORP·Filed 2018·Granted Jan 7, 2020·4 cites·20 claims
- 2185US10811393B2Memory deviceTOSHIBA MEMORY CORP·Filed 2019·Granted Oct 20, 2020·3 cites·13 claims
- 2285US9977752B2Semiconductor storage device and control method thereofTOSHIBA MEMORY CORP·Filed 2017·Granted May 22, 2018·5 cites·11 claims
- 2384US11211130B2Semiconductor deviceKIOXIA CORP·Filed 2020·Granted Dec 28, 2021·2 cites·11 claims
- 2484US8405428B2Semiconductor integrated circuitFUKUDA RYO·Filed 2011·Granted Mar 26, 2013·6 cites·11 claims
- 2584US2024322826A1Semiconductor deviceKIOXIA CORP·Filed 2024·Application pending·0 cites
- 2683US10622074B2Semiconductor storage deviceTOSHIBA MEMORY CORP·Filed 2017·Granted Apr 14, 2020·8 cites·17 claims
- 2782US7359255B2Semiconductor device having auto trimming function for automatically adjusting voltageTOSHIBA KK·Filed 2006·Granted Apr 15, 2008·13 cites·20 claims
- 2882US2024312532A1Semiconductor deviceKIOXIA CORP·Filed 2024·Application pending·0 cites
- 2981US11495308B2Semiconductor deviceKIOXIA CORP·Filed 2021·Granted Nov 8, 2022·1 cites·21 claims
- 3081US9634629B2Semiconductor amplifier circuitTOSHIBA KK·Filed 2014·Granted Apr 25, 2017·7 cites·18 claims
- 3180US8258817B2Semiconductor integrated circuitFUKUDA RYO·Filed 2010·Granted Sep 4, 2012·6 cites·8 claims
- 3279US11495307B2Semiconductor memory deviceKIOXIA CORP·Filed 2021·Granted Nov 8, 2022·1 cites·4 claims
- 3379US9431078B2Semiconductor storage device and control method thereofTOSHIBA KK·Filed 2013·Granted Aug 30, 2016·4 cites·8 claims
- 3479US6606688B1Cache control method and cache controllerHITACHI LTD·Filed 2000·Granted Aug 12, 2003·31 cites·17 claims
- 3578US12033704B2Semiconductor deviceKIOXIA CORP·Filed 2022·Granted Jul 9, 2024·0 cites·18 claims
- 3678USRE49783ENonvolatile semiconductor memory device and memory system having termination circuit with variable resistorKIOXIA CORP·Filed 2019·Granted Jan 2, 2024·3 cites·24 claims
- 3778US11218141B2Correction circuitKIOXIA CORP·Filed 2019·Granted Jan 4, 2022·2 cites·20 claims
- 3877USRE49274ENon-volatile semiconductor storage deviceKIOXIA CORP·Filed 2019·Granted Nov 1, 2022·2 cites·29 claims
- 3977US9571101B2Semiconductor deviceTOSHIBA KK·Filed 2015·Granted Feb 14, 2017·3 cites·19 claims
- 4076US12381183B2Semiconductor device having stacked chipsKIOXIA CORP·Filed 2021·Granted Aug 5, 2025·0 cites·19 claims
- 4176USRE50512ENon-volatile semiconductor storage deviceKIOXIA CORP·Filed 2022·Granted Jul 29, 2025·0 cites·31 claims
- 4276US5627493ASemiconductor device having supply voltage deboosting circuitTOSHIBA KK·Filed 1995·Granted May 6, 1997·31 cites·23 claims
- 4376US5341013ASemiconductor device provided with sense circuitsTOSHIBA KK·Filed 1992·Granted Aug 23, 1994·50 cites·1 claims
- 4475US11232051B2Non-volatile semiconductor storage deviceKIOXIA CORP·Filed 2020·Granted Jan 25, 2022·1 cites·15 claims
- 4575US11004521B2Semiconductor device and semiconductor memory deviceKIOXIA CORP·Filed 2020·Granted May 11, 2021·1 cites·16 claims
- 4675US8736346B2Level shift circuitSHIMIZU YUUI·Filed 2012·Granted May 27, 2014·4 cites·18 claims
- 4775US6519198B2Semiconductor memory deviceTOSHIBA KK·Filed 2001·Granted Feb 11, 2003·20 cites·14 claims
- 4875US5282167ADynamic random access memoryTOSHIBA KK·Filed 1991·Granted Jan 25, 1994·36 cites·19 claims
- 4974US11621712B2Semiconductor deviceKIOXIA CORP·Filed 2021·Granted Apr 4, 2023·0 cites·8 claims
- 5074US9792983B2Nonvolatile semiconductor memory device and memory systemTOSHIBA MEMORY CORP·Filed 2016·Granted Oct 17, 2017·3 cites·17 claims
Showing the top 50 of 146 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →