Inventor · disambiguated record
Naotoshi Matsuda
Also filed as: MATSUDA NAOTOSHI
54 granted patents·14 pending applications·719 citations·filing 1984–2025
98Inventor score
Top patents by PatentIndex Score
68 records- 0195US5644193APhosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screenTOSHIBA KK·Filed 1994·Granted Jul 1, 1997·70 cites·11 claims
- 0292US10957826B2White light source including LED and phosphorsTOSHIBA KK·Filed 2018·Granted Mar 23, 2021·9 cites·12 claims
- 0392US8310145B2Light emitting device including first and second red phosphors and a green phosphorMITSUISHI IWAO·Filed 2011·Granted Nov 13, 2012·16 cites·20 claims
- 0491US8569943B2Luminescent materialMITSUISHI IWAO·Filed 2012·Granted Oct 29, 2013·13 cites·19 claims
- 0591US5811924AFluorescent lampTOSHIBA KK·Filed 1996·Granted Sep 22, 1998·75 cites·14 claims
- 0689US8436527B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted May 7, 2013·12 cites·9 claims
- 0789US8278821B2Light emitting deviceISHIDA KUNIO·Filed 2011·Granted Oct 2, 2012·11 cites·18 claims
- 0889US8105502B2Luminescent materialFUKUDA YUMI·Filed 2008·Granted Jan 31, 2012·24 cites·15 claims
- 0986US5808409APhosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screenTOSHIBA KK·Filed 1996·Granted Sep 15, 1998·35 cites·8 claims
- 1085US8414145B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted Apr 9, 2013·8 cites·12 claims
- 1184US6384417B1Ceramic scintillator, method for producing same, and x-ray detector and x-ray CT imaging equipment using sameTOSHIBA KK·Filed 1999·Granted May 7, 2002·45 cites·8 claims
- 1284US6080954AHeat treatment method and apparatus using thermal plasma, and heat treated substance produced therebyNETUREN CO LTD·Filed 1997·Granted Jun 27, 2000·20 cites·7 claims
- 1383US9022591B2Luminescent materialTOSHIBA KK·Filed 2013·Granted May 5, 2015·4 cites·20 claims
- 1483US8858835B2Red light-emitting flourescent substance and light-emitting device employing the sameOKADA AOI·Filed 2011·Granted Oct 14, 2014·6 cites·15 claims
- 1583US8471277B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted Jun 25, 2013·7 cites·20 claims
- 1683US6156993AHeat treatment method and apparatus using thermal plasma, and heat treated substance produced therebyNETUREN CO LTD·Filed 2000·Granted Dec 5, 2000·14 cites·17 claims
- 1783US5893999AUltrafine inorganic phosphor, specifically binding material labeled with this phosphor, and detection method using this specific binding materialTOSHIBA KK·Filed 1994·Granted Apr 13, 1999·45 cites·3 claims
- 1881US8937328B2Light emitting device and manufacturing method thereofMITSUISHI IWAO·Filed 2011·Granted Jan 20, 2015·6 cites·6 claims
- 1981US5851428APhosphor and manufacturing method thereofTOSHIBA KK·Filed 1997·Granted Dec 22, 1998·54 cites·9 claims
- 2080US6100633APlasma display panel with phosphor microspheresTOSHIBA KK·Filed 1997·Granted Aug 8, 2000·53 cites·9 claims
- 2179US8558251B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted Oct 15, 2013·5 cites·19 claims
- 2278US4512912AWhite luminescent phosphor for use in cathode ray tubeTOSHIBA KK·Filed 1984·Granted Apr 23, 1985·36 cites·13 claims
- 2377US8414795B2Red light-emitting fluorescent substance and light-emitting device employing the sameOKADA AOI·Filed 2011·Granted Apr 9, 2013·4 cites·19 claims
- 2476US12245445B2White light source including LED and phosphorsSEOUL SEMICONDUCTOR CO LTD·Filed 2023·Granted Mar 4, 2025·0 cites·20 claims
- 2576US4863882ARare earth oxysulfide ceramicsTOSHIBA KK·Filed 1988·Granted Sep 5, 1989·22 cites·3 claims
- 2675US2025176328A1White light source including led and phosphorsSEOUL SEMICONDUCTOR CO LTD·Filed 2025·Application pending·0 cites
- 2773US8501039B2Fluorescent material and light-emitting device employing the sameFUKUDA YUMI·Filed 2010·Granted Aug 6, 2013·3 cites·14 claims
- 2872US11563155B2White light source including LED and phosphorsSEOUL SEMICONDUCTOR CO LTD·Filed 2021·Granted Jan 24, 2023·0 cites·13 claims
- 2972US8124995B2Semiconductor light-emitting deviceHATTORI YASUSHI·Filed 2009·Granted Feb 28, 2012·5 cites·19 claims
- 3071US9954146B2Phosphor, manufacturing method thereof, and light-emitting device using the phosphorTOSHIBA KK·Filed 2015·Granted Apr 24, 2018·2 cites·17 claims
- 3171US8921878B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted Dec 30, 2014·3 cites·9 claims
- 3271US8546824B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted Oct 1, 2013·3 cites·9 claims
- 3371US7638934B2Fluorescent substance and light-emitting deviceTOSHIBA KK·Filed 2006·Granted Dec 29, 2009·4 cites·19 claims
- 3470US8652359B2Red light-emitting fluorescent substance and light-emitting device employing the sameTOSHIBA KK·Filed 2013·Granted Feb 18, 2014·2 cites·15 claims
- 3569US8987986B2Fluorescent substance, light-emitting device and method for producing fluorescent substanceTOSHIBA KK·Filed 2013·Granted Mar 24, 2015·2 cites·12 claims
- 3669US5640016ARare-earth oxysulfide scintillators and X-ray detectors using rare-earth oxysulfide scintillatorsTOSHIBA KK·Filed 1996·Granted Jun 17, 1997·28 cites·18 claims
- 3766US8283848B2Phosphor and image displaying device employing the sameMATSUDA NAOTOSHI·Filed 2010·Granted Oct 9, 2012·1 cites·7 claims
- 3865US10020427B2Phosphor, manufacturing method therefor, and light-emitting device using the phosphorTOSHIBA KK·Filed 2015·Granted Jul 10, 2018·1 cites·16 claims
- 3965US9048399B2Light emitting deviceMATSUDA NAOTOSHI·Filed 2011·Granted Jun 2, 2015·1 cites·13 claims
- 4065US6069439APhosphor material, method of manufacturing the same and display deviceTOSHIBA KK·Filed 1998·Granted May 30, 2000·21 cites·16 claims
- 4163US4752424AMethod of manufacturing a rare earth oxysulfide ceramicTOSHIBA KK·Filed 1987·Granted Jun 21, 1988·15 cites·5 claims
- 4262US9068116B2Luminescent materialKATO MASAHIRO·Filed 2012·Granted Jun 30, 2015·1 cites·20 claims
- 4360US8877095B2Process for production of fluorescent substanceTOSHIBA KK·Filed 2013·Granted Nov 4, 2014·0 cites·12 claims
- 4460US7888650B2Light-emitting material, scintillator containing the light-emitting material, x-ray detector equipped with the scintillator, image display device using the light-emitting material, and light source using the light-emitting materialTOSHIBA KK·Filed 2007·Granted Feb 15, 2011·1 cites·11 claims
- 4558US8552437B2Fluorescent substance, process for production of fluorescent substance, light-emitting device and light-emitting moduleOKADA AOI·Filed 2010·Granted Oct 8, 2013·1 cites·7 claims
- 4657US10858583B2Phosphor and method of producing the sameTOSHIBA KK·Filed 2018·Granted Dec 8, 2020·0 cites·11 claims
- 4757US5814932APhosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screenTOSHIBA KK·Filed 1996·Granted Sep 29, 1998·10 cites·2 claims
- 4855US8974697B2Luminescent materialALBESSARD KEIKO·Filed 2012·Granted Mar 10, 2015·1 cites·14 claims
- 4955US6081069APhosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screenTOSHIBA KK·Filed 1996·Granted Jun 27, 2000·9 cites·7 claims
- 5055US2015008817A1Red light-emitting fluorescent substance and light-emitting device employing the sameTOSHIBA KK·Filed 2014·Application pending·0 cites
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 →