Inventor · disambiguated record
Yumi Fukuda
Also filed as: FUKUDA YUMI
46 granted patents·23 pending applications·330 citations·filing 1997–2023
98Inventor score
Top patents by PatentIndex Score
69 records- 0193US6563260B1Electron emission element having resistance layer of particular particlesTOSHIBA KK·Filed 2000·Granted May 13, 2003·41 cites·24 claims
- 0292US8310145B2Light emitting device including first and second red phosphors and a green phosphorMITSUISHI IWAO·Filed 2011·Granted Nov 13, 2012·16 cites·20 claims
- 0391US8569943B2Luminescent materialMITSUISHI IWAO·Filed 2012·Granted Oct 29, 2013·13 cites·19 claims
- 0489US8436527B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted May 7, 2013·12 cites·9 claims
- 0589US8278821B2Light emitting deviceISHIDA KUNIO·Filed 2011·Granted Oct 2, 2012·11 cites·18 claims
- 0689US8105502B2Luminescent materialFUKUDA YUMI·Filed 2008·Granted Jan 31, 2012·24 cites·15 claims
- 0786US8471459B2Fluorescent substance and light-emitting device employing the sameKATO MASAHIRO·Filed 2011·Granted Jun 25, 2013·8 cites·17 claims
- 0886US6626724B2Method of manufacturing electron emitter and associated displayTOSHIBA KK·Filed 2002·Granted Sep 30, 2003·21 cites·13 claims
- 0986US5801797AImage display apparatus includes an opposite board sandwiched by array boards with end portions of the array boards being offsetTOSHIBA KK·Filed 1997·Granted Sep 1, 1998·84 cites·21 claims
- 1085US8414145B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted Apr 9, 2013·8 cites·12 claims
- 1183US9022591B2Luminescent materialTOSHIBA KK·Filed 2013·Granted May 5, 2015·4 cites·20 claims
- 1283US8858835B2Red light-emitting flourescent substance and light-emitting device employing the sameOKADA AOI·Filed 2011·Granted Oct 14, 2014·6 cites·15 claims
- 1383US8471277B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted Jun 25, 2013·7 cites·20 claims
- 1481US8937328B2Light emitting device and manufacturing method thereofMITSUISHI IWAO·Filed 2011·Granted Jan 20, 2015·6 cites·6 claims
- 1581US8685277B2Fluorescent substance and light-emitting device employing the sameFUKUDA YUMI·Filed 2009·Granted Apr 1, 2014·7 cites·20 claims
- 1679US8558251B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted Oct 15, 2013·5 cites·19 claims
- 1777US8603361B2Fluorescent substance and light-emitting device employing the sameFUKUDA YUMI·Filed 2012·Granted Dec 10, 2013·3 cites·20 claims
- 1877US8414795B2Red light-emitting fluorescent substance and light-emitting device employing the sameOKADA AOI·Filed 2011·Granted Apr 9, 2013·4 cites·19 claims
- 1976US8482192B2Luminescent material and light-emitting deviceFUKUDA YUMI·Filed 2010·Granted Jul 9, 2013·2 cites·14 claims
- 2076US8450923B2Luminescent material and light-emitting deviceFUKUDA YUMI·Filed 2010·Granted May 28, 2013·2 cites·30 claims
- 2175US9349925B2Light emitting device with oxynitride phosphorsTOSHIBA KK·Filed 2014·Granted May 24, 2016·2 cites·14 claims
- 2274US6603256B1Field emission type displayTOSHIBA KK·Filed 2000·Granted Aug 5, 2003·10 cites·27 claims
- 2373US8501039B2Fluorescent material and light-emitting device employing the sameFUKUDA YUMI·Filed 2010·Granted Aug 6, 2013·3 cites·14 claims
- 2472US6881115B2Electron emitting device and method of manufacturing the sameTOSHIBA KK·Filed 2001·Granted Apr 19, 2005·8 cites·12 claims
- 2571US8921878B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted Dec 30, 2014·3 cites·9 claims
- 2671US8546824B2Light emitting deviceMITSUISHI IWAO·Filed 2011·Granted Oct 1, 2013·3 cites·9 claims
- 2771US8491817B2Luminescent material and light-emitting deviceFUKUDA YUMI·Filed 2010·Granted Jul 23, 2013·1 cites·7 claims
- 2871US7638934B2Fluorescent substance and light-emitting deviceTOSHIBA KK·Filed 2006·Granted Dec 29, 2009·4 cites·19 claims
- 2970US8652359B2Red light-emitting fluorescent substance and light-emitting device employing the sameTOSHIBA KK·Filed 2013·Granted Feb 18, 2014·2 cites·15 claims
- 3069US8987986B2Fluorescent substance, light-emitting device and method for producing fluorescent substanceTOSHIBA KK·Filed 2013·Granted Mar 24, 2015·2 cites·12 claims
- 3168US9133391B2Luminescent materialFUKUDA YUMI·Filed 2012·Granted Sep 15, 2015·2 cites·19 claims
- 3265US8475680B2Luminescent material and light-emitting deviceFUKUDA YUMI·Filed 2008·Granted Jul 2, 2013·1 cites·7 claims
- 3363US12308301B2Structure and bonded bodyTOSHIBA KK·Filed 2021·Granted May 20, 2025·0 cites·20 claims
- 3463US11300693B2Radiation detection material and radiation detection deviceTOSHIBA KK·Filed 2020·Granted Apr 12, 2022·0 cites·8 claims
- 3563US9190582B2Light emitting deviceTOSHIBA KK·Filed 2014·Granted Nov 17, 2015·1 cites·15 claims
- 3663US8957447B2PhosphorTOSHIBA KK·Filed 2014·Granted Feb 17, 2015·1 cites·20 claims
- 3762US9068116B2Luminescent materialKATO MASAHIRO·Filed 2012·Granted Jun 30, 2015·1 cites·20 claims
- 3860US8877095B2Process for production of fluorescent substanceTOSHIBA KK·Filed 2013·Granted Nov 4, 2014·0 cites·12 claims
- 3958US8552437B2Fluorescent 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
- 4057US11355416B2Structure and joined compositeTOSHIBA KK·Filed 2020·Granted Jun 7, 2022·0 cites·8 claims
- 4157US2024313206A1Active material, electrode, secondary battery, battery pack, and vehicleTOSHIBA KK·Filed 2023·Application pending·0 cites
- 4255US8974697B2Luminescent materialALBESSARD KEIKO·Filed 2012·Granted Mar 10, 2015·1 cites·14 claims
- 4355US2015008817A1Red light-emitting fluorescent substance and light-emitting device employing the sameTOSHIBA KK·Filed 2014·Application pending·0 cites
- 4455US2014264169A1Red light-emitting fluorescent substance and light-emitting device employing the sameTOSHIBA KK·Filed 2014·Application pending·0 cites
- 4554US8628686B2Process for production of fluorescent substanceMATSUDA NAOTOSHI·Filed 2011·Granted Jan 14, 2014·0 cites·4 claims
- 4654US2014138583A1Fluorescent substance and light-emitting device employing the sameTOSHIBA KK·Filed 2014·Application pending·0 cites
- 4753US9929321B2Phosphor, producing method thereof and light-emitting device employing the phosphorTOSHIBA KK·Filed 2017·Granted Mar 27, 2018·0 cites·11 claims
- 4853US9520540B2Light-emitting device with phosphor excited by blue excitation lightTOSHIBA KK·Filed 2014·Granted Dec 13, 2016·0 cites·13 claims
- 4953US2015001445A1Process for producing fluorescent substance and fluorescent substance produced therebyTOSHIBA KK·Filed 2014·Application pending·0 cites
- 5050US2013293092A1Fluorescent material and light-emitting device employing the sameTOSHIBA KK·Filed 2013·Application pending·0 cites
Showing the top 50 of 69 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →