Inventor · disambiguated record
Hiroki Iwanaga
Also filed as: IWANAGA HIROKI
35 granted patents·9 pending applications·486 citations·filing 1996–2023
97Inventor score
Top patents by PatentIndex Score
44 records- 0198US7902741B2Fluorescent complex and lighting system using the sameTOSHIBA KK·Filed 2006·Granted Mar 8, 2011·44 cites·7 claims
- 0291US6650392B2Cell structure of liquid crystal deviceTOSHIBA KK·Filed 2001·Granted Nov 18, 2003·45 cites·18 claims
- 0390US6181393B1Liquid crystal display device and method of manufacturing the sameTOSHIBA KK·Filed 1998·Granted Jan 30, 2001·119 cites·19 claims
- 0489US10629952B2Nonaqueous electrolyte battery, battery pack, and vehicleTOSHIBA KK·Filed 2016·Granted Apr 21, 2020·3 cites·17 claims
- 0586US10444214B2Fluorescent compound, fluorescent compound mixture, freshness marker, freshness label, and sensing systemTOSHIBA KK·Filed 2017·Granted Oct 15, 2019·2 cites·18 claims
- 0684US7575253B2Fluorescent image-printed article and fluorescent inkTOSHIBA KK·Filed 2005·Granted Aug 18, 2009·6 cites·8 claims
- 0784US6650384B2Liquid crystal display and display methodTOSHIBA KK·Filed 2002·Granted Nov 18, 2003·28 cites·20 claims
- 0883US5739946ADisplay deviceTOSHIBA KK·Filed 1996·Granted Apr 14, 1998·64 cites·17 claims
- 0982US12122950B2Fluorescent rare earth complex and security medium using the sameTOSHIBA KK·Filed 2023·Granted Oct 22, 2024·0 cites·11 claims
- 1082US6033742ALiquid crystal display deviceTOSHIBA KK·Filed 1998·Granted Mar 7, 2000·20 cites·31 claims
- 1180US7250117B2Light emitting device formed using rare earth complex and luminescent mediumTOSHIBA KK·Filed 2004·Granted Jul 31, 2007·19 cites·3 claims
- 1278US6067135ALiquid crystal display device and method of manufacturing the sameTOSHIBA KK·Filed 1996·Granted May 23, 2000·54 cites·7 claims
- 1377US2022365076A1Marker and sensing system using the sameTOSHIBA KK·Filed 2022·Application pending·0 cites
- 1476US7960909B2Light-emitting device, method for producing the same and fluorescent deviceTOSHIBA KK·Filed 2007·Granted Jun 14, 2011·6 cites·7 claims
- 1572US12486453B2Rare earth complex-containing composition and fluorescent penetrant inspection method using sameTOSHIBA KK·Filed 2022·Granted Dec 2, 2025·0 cites·11 claims
- 1671US6798470B2Electrophoresis displayTOSHIBA KK·Filed 2002·Granted Sep 28, 2004·13 cites·29 claims
- 1771US2020041494A1Marker and sensing system using the sameTOSHIBA KK·Filed 2019·Application pending·0 cites
- 1870US7510784B2Light emitting device formed using rare earth complex and luminescent mediumTOSHIBA KK·Filed 2007·Granted Mar 31, 2009·3 cites·17 claims
- 1969US11702591B2Fluorescent rare earth complex and security medium using the sameTOSHIBA KK·Filed 2020·Granted Jul 18, 2023·0 cites·26 claims
- 2067US8173271B2Fluorescent rare earth complex, and light-emitting element, security medium and lighting device using the sameIWANAGA HIROKI·Filed 2008·Granted May 8, 2012·1 cites·7 claims
- 2166US8907207B2Solar cell moduleOOOKA HARUHI·Filed 2012·Granted Dec 9, 2014·2 cites·19 claims
- 2264US8969718B2Organic compound and solar cell using the sameTOSHIBA KK·Filed 2013·Granted Mar 3, 2015·1 cites·10 claims
- 2363US10697950B2Fluorescent compound, fluorescent compound mixture, freshness marker, freshness label, and sensing systemTOSHIBA KK·Filed 2019·Granted Jun 30, 2020·0 cites·20 claims
- 2462US2017160270A1Marker and sensing system using the sameTOSHIBA KK·Filed 2016·Application pending·0 cites
- 2561US12183858B2Light wavelength conversion medium and composition for forming light wavelength conversion mediumTOSHIBA KK·Filed 2021·Granted Dec 31, 2024·0 cites·20 claims
- 2656US8107807B2Lighting device, image pickup apparatus and portable terminal unitIWANAGA HIROKI·Filed 2007·Granted Jan 31, 2012·1 cites·24 claims
- 2756US7086599B2Information recording medium, reproduction method, and discrimination methodTOSHIBA KK·Filed 2001·Granted Aug 8, 2006·5 cites·24 claims
- 2855US7186468B2Organic electro-luminescent display device and method for manufacturing the sameTOSHIBA KK·Filed 2003·Granted Mar 6, 2007·4 cites·30 claims
- 2954US8080173B2Fluorescent substance containing rare earth metal, luminous composition comprising the same, process for manufacturing thereof, and light-emitting element comprising the fluorescent substanceSATO TAKAHIRO·Filed 2008·Granted Dec 20, 2011·0 cites·10 claims
- 3054US6811897B2Ink for forming a hole injection layer of organic EL display devices and manufacturing method thereof, organic EL display devices, and manufacturing method of the sameTOSHIBA KK·Filed 2003·Granted Nov 2, 2004·3 cites·18 claims
- 3149US6656542B2Guest-host liquid crystal composition and guest-host liquid crystal display deviceTOSHIBA KK·Filed 2002·Granted Dec 2, 2003·2 cites·20 claims
- 3247US9296848B2Polymer material, solar cell using the same, and solar photovoltaic generation systemIWANAGA HIROKI·Filed 2012·Granted Mar 29, 2016·0 cites·3 claims
- 3347US6057906ALiquid crystal display elementTOSHIBA KK·Filed 1997·Granted May 2, 2000·9 cites·17 claims
- 3445US2006286407A1Fluorescent pattern forming article, recording medium, security medium, and recording methodTOSHIBA KK·Filed 2006·Application pending·0 cites
- 3543US5958291ALiquid crystal display elementTOSHIBA KK·Filed 1997·Granted Sep 28, 1999·11 cites·17 claims
- 3643US2008001515A1Fluorescent complex and lighting system using the sameTOSHIBA KK·Filed 2007·Application pending·0 cites
- 3742US2006099449A1Light-emitting deviceTOSHIBA KK·Filed 2005·Application pending·0 cites
- 3841US9353310B2Luminous material using fluorescence amorphous solidIWANAGA HIROKI·Filed 2010·Granted May 31, 2016·0 cites·6 claims
- 3941US7611780B2Lighting device, image pickup apparatus and portable terminal unitTOSHIBA KK·Filed 2006·Granted Nov 3, 2009·0 cites·19 claims
- 4040US5995188ALiquid crystal display device using stacked layersTOSHIBA KK·Filed 1998·Granted Nov 30, 1999·21 cites·6 claims
- 4140US2005200796A1LED lighting apparatusFiled 2005·Application pending·0 cites
- 4238US6444376B1Coloring material, coloring material for color filter, display device and liquid crystal display deviceTOSHIBA KK·Filed 2000·Granted Sep 3, 2002·0 cites·15 claims
- 4338US2012214272A1Method of manufacturing organic thin film solar cellAZUMA TSUKASA·Filed 2011·Application pending·0 cites
- 4430US2001055080A1Liquid crystal display deviceFiled 1997·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →