Inventor · disambiguated record
Koichi Nagai
Also filed as: NAGAI KOICHI
82 granted patents·15 pending applications·692 citations·filing 1976–2025
99Inventor score
Top patents by PatentIndex Score
97 records- 0198US11269558B2Memory system and method of controlling nonvolatile memoryKIOXIA CORP·Filed 2020·Granted Mar 8, 2022·6 cites·20 claims
- 0297US11704069B2Memory system and method of controlling nonvolatile memoryKIOXIA CORP·Filed 2022·Granted Jul 18, 2023·4 cites·13 claims
- 0397US7369475B2Optical disc, information playback apparatus, information playback method, and information recording methodTOSHIBA KK·Filed 2004·Granted May 6, 2008·80 cites·9 claims
- 0496US4478910AInk jet recording paperJUJO PAPER CO LTD·Filed 1984·Granted Oct 23, 1984·96 cites·5 claims
- 0593US10875114B2Vapor-phase type heating method and vapor-phase type heating apparatusPANASONIC IP MAN CO LTD·Filed 2019·Granted Dec 29, 2020·6 cites·4 claims
- 0692US6736291B1Viscous material application apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 18, 2004·18 cites·10 claims
- 0791US9064108B2Storage device, storage system, and authentication methodTOSHIBA KK·Filed 2014·Granted Jun 23, 2015·12 cites·10 claims
- 0890US10089027B2Information processing systemTOSHIBA MEMORY CORP·Filed 2017·Granted Oct 2, 2018·5 cites·20 claims
- 0990US7013865B2Fuel injection systemDENSO CORP·Filed 2005·Granted Mar 21, 2006·20 cites·11 claims
- 1088US8782804B2Storage device, storage system, and authentication methodNAGAI KOICHI·Filed 2012·Granted Jul 15, 2014·11 cites·23 claims
- 1186US9619170B2Information processing system having a data migration logTOSHIBA KK·Filed 2015·Granted Apr 11, 2017·4 cites·20 claims
- 1286US8586786B2Method for producing catalyst for use in production of unsaturated aldehyde and/or unsaturated carboxylic acid, and method for producing unsaturated aldehyde and/or unsaturated carboxylic acidMIURA NAOKI·Filed 2012·Granted Nov 19, 2013·4 cites·1 claims
- 1386US7612007B2Process for regenerating catalystSUMITOMO CHEMICAL CO·Filed 2007·Granted Nov 3, 2009·11 cites·3 claims
- 1484US11586377B2Memory system and control methodKIOXIA CORP·Filed 2021·Granted Feb 21, 2023·1 cites·19 claims
- 1584US9304685B2Storage array system and non-transitory recording medium storing control programTOSHIBA KK·Filed 2014·Granted Apr 5, 2016·7 cites·20 claims
- 1684US6550699B2Solenoid valve and fuel injector using sameDENSO CORP·Filed 2001·Granted Apr 22, 2003·23 cites·11 claims
- 1782US9275947B2Semiconductor device and semiconductor package having a plurality of differential signal ballsTOSHIBA KK·Filed 2014·Granted Mar 1, 2016·6 cites·12 claims
- 1882US8208270B2Substrate joining member and three-dimensional structure using the sameMORI MASATO·Filed 2007·Granted Jun 26, 2012·12 cites·13 claims
- 1981US8159829B2Relay substrate, method for manufacturing the relay substrate and three-dimensional circuit device using the relay substrateMORI MASATO·Filed 2007·Granted Apr 17, 2012·10 cites·8 claims
- 2081US6145734AReflow method and reflow deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 14, 2000·40 cites·3 claims
- 2181US5004846AProcess for producing nitrobenzenesSUMITOMO CHEMICAL CO·Filed 1989·Granted Apr 2, 1991·16 cites·10 claims
- 2281US2025272019A1Memory system and control methodKIOXIA CORP·Filed 2025·Application pending·0 cites
- 2380US4139675ARecording paper with resin-containing recording layer and heat sensitive adhesion layerJUJO PAPER CO LTD·Filed 1976·Granted Feb 13, 1979·21 cites·16 claims
- 2479US9201784B2Semiconductor storage device and method for controlling nonvolatile semiconductor memoryNAGAI KOICHI·Filed 2012·Granted Dec 1, 2015·4 cites·10 claims
- 2579US9081943B2Storage device, protection method, and electronic apparatusNAGAI KOICHI·Filed 2011·Granted Jul 14, 2015·5 cites·22 claims
- 2678US7436741B2Optical disc unit, optical disc recording method, and optical discTOSHIBA KK·Filed 2005·Granted Oct 14, 2008·3 cites·12 claims
- 2778US6402011B1Reflow method and reflow deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 11, 2002·19 cites·2 claims
- 2878US5602280AProcess for production of unsaturated aldehyde and unsaturated carboxylic acidSUMITOMO CHEMICAL CO·Filed 1994·Granted Feb 11, 1997·44 cites·29 claims
- 2977US12056399B2Memory system and method of controlling nonvolatile memoryKIOXIA CORP·Filed 2023·Granted Aug 6, 2024·0 cites·20 claims
- 3077US11148217B2Reflow furnace and soldering methodPANASONIC IP MAN CO LTD·Filed 2019·Granted Oct 19, 2021·1 cites·17 claims
- 3176US12321629B2Memory system and control methodKIOXIA CORP·Filed 2023·Granted Jun 3, 2025·0 cites·14 claims
- 3276US7225452B2Optical headTOSHIBA KK·Filed 2005·Granted May 29, 2007·2 cites·9 claims
- 3376US4650714AInk jet recording sheetJUJO PAPER CO LTD·Filed 1985·Granted Mar 17, 1987·19 cites·4 claims
- 3476US2025123756A1Information processing apparatusKIOXIA CORP·Filed 2024·Application pending·0 cites
- 3575US11511364B2Flux collection method and flux collection apparatusPANASONIC IP MAN CO LTD·Filed 2019·Granted Nov 29, 2022·1 cites·10 claims
- 3675US9704593B2Data storage device including nonvolatile memory in which on/off state of power source voltage is controlledTOSHIBA KK·Filed 2015·Granted Jul 11, 2017·2 cites·14 claims
- 3775US6968563B2Optical headTOSHIBA KK·Filed 2002·Granted Nov 22, 2005·8 cites·6 claims
- 3874US7768900B2Information storage medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2008·Granted Aug 3, 2010·2 cites·3 claims
- 3973US10509735B2Data storage apparatus, data processing system, and data processing methodTOSHIBA MEMORY CORP·Filed 2018·Granted Dec 17, 2019·1 cites·15 claims
- 4073US9731299B2Method and apparatus for separating solventPANASONIC IP MAN CO LTD·Filed 2014·Granted Aug 15, 2017·3 cites·6 claims
- 4172US7536996B2Fuel injection controller and fuel injection control systemDENSO CORP·Filed 2008·Granted May 26, 2009·7 cites·18 claims
- 4272US5721723AObjective lens driving device, data recording device, and data reproducing device, all having driver force selectively 120 tutine and positioning the objective lensesTOSHIBA KK·Filed 1995·Granted Feb 24, 1998·25 cites·34 claims
- 4371US2025265153A1Information processing system controlling multiple memory systemsKIOXIA CORP·Filed 2025·Application pending·0 cites
- 4470US5030776AProcess for producing nitrobenzenesSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 9, 1991·10 cites·10 claims
- 4569US10090235B2Semiconductor device and semiconductor packageTOSHIBA MEMORY CORP·Filed 2014·Granted Oct 2, 2018·2 cites·15 claims
- 4669US8252714B2Method for producing catalyst for use in production of unsaturated aldehyde and/or unsaturated carboxylic acid, and method for producing unsaturated aldehyde and/or unsaturated carboxylic acidMIURA NAOKI·Filed 2009·Granted Aug 28, 2012·1 cites·6 claims
- 4768US9396137B2Storage device, protection method, and electronic apparatusTOSHIBA KK·Filed 2015·Granted Jul 19, 2016·1 cites·21 claims
- 4868US7204233B2Common rail fuel injection systemDENSO CORP·Filed 2005·Granted Apr 17, 2007·5 cites·9 claims
- 4967US12223178B2Information processing apparatusKIOXIA CORP·Filed 2022·Granted Feb 11, 2025·0 cites·20 claims
- 5067US9911502B2Data storage device with nonvolatile memoryTOSHIBA MEMORY CORP·Filed 2017·Granted Mar 6, 2018·2 cites·14 claims
Showing the top 50 of 97 patent records by PatentIndex Score.
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