Inventor
FUKUDA YUMI
JP46 patents
⚠️ This page may combine multiple inventors who share the name “FUKUDA YUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
18 patentsUS5801797ASep 1, 1998
Image display apparatus includes an opposite board sandwiched by array boards with end portions of the array boards being offset
TOSHIBA KK84 citations96
US6626724B2Sep 30, 2003
Method of manufacturing electron emitter and associated display
TOSHIBA KK21 citations93
US6563260B1May 13, 2003
Electron emission element having resistance layer of particular particles
TOSHIBA KK41 citations93
US6603256B1Aug 5, 2003
Field emission type display
TOSHIBA KK10 citations74
US9022591B2May 5, 2015
Luminescent material
TOSHIBA KK4 citations73
US6881115B2Apr 19, 2005
Electron emitting device and method of manufacturing the same
TOSHIBA KK8 citations73
US9349925B2May 24, 2016
Light emitting device with oxynitride phosphors
TOSHIBA KK2 citations63
US8987986B2Mar 24, 2015
Fluorescent substance, light-emitting device and method for producing fluorescent substance
TOSHIBA KK2 citations63
US8652359B2Feb 18, 2014
Red light-emitting fluorescent substance and light-emitting device employing the same
TOSHIBA KK2 citations63
US12308301B2May 20, 2025
Structure and bonded body
TOSHIBA KK0 citations62
US11355416B2Jun 7, 2022
Structure and joined composite
TOSHIBA KK0 citations62
US11300693B2Apr 12, 2022
Radiation detection material and radiation detection device
TOSHIBA KK0 citations62
US7638934B2Dec 29, 2009
Fluorescent substance and light-emitting device
TOSHIBA KK4 citations60
US9929321B2Mar 27, 2018
Phosphor, producing method thereof and light-emitting device employing the phosphor
TOSHIBA KK0 citations52
US9520540B2Dec 13, 2016
Light-emitting device with phosphor excited by blue excitation light
TOSHIBA KK0 citations52
US9190582B2Nov 17, 2015
Light emitting device
TOSHIBA KK1 citations52
US8957447B2Feb 17, 2015
Phosphor
TOSHIBA KK1 citations52
US8877095B2Nov 4, 2014
Process for production of fluorescent substance
TOSHIBA KK0 citations52
FUKUDA YUMI
10 patentsUS8105502B2Jan 31, 2012
Luminescent material
FUKUDA YUMI24 citations89
US8685277B2Apr 1, 2014
Fluorescent substance and light-emitting device employing the same
FUKUDA YUMI7 citations83
US9133391B2Sep 15, 2015
Luminescent material
FUKUDA YUMI2 citations62
US8603361B2Dec 10, 2013
Fluorescent substance and light-emitting device employing the same
FUKUDA YUMI3 citations62
US8501039B2Aug 6, 2013
Fluorescent material and light-emitting device employing the same
FUKUDA YUMI3 citations62
US8491817B2Jul 23, 2013
Luminescent material and light-emitting device
FUKUDA YUMI1 citations61
US8482192B2Jul 9, 2013
Luminescent material and light-emitting device
FUKUDA YUMI2 citations61
US8475680B2Jul 2, 2013
Luminescent material and light-emitting device
FUKUDA YUMI1 citations61
US8450923B2May 28, 2013
Luminescent material and light-emitting device
FUKUDA YUMI2 citations61
US8926863B2Jan 6, 2015
Process for producing fluorescent substance and fluorescent substance produced thereby
FUKUDA YUMI0 citations41
MITSUISHI IWAO
9 patentsUS8569943B2Oct 29, 2013
Luminescent material
MITSUISHI IWAO13 citations84
US8471277B2Jun 25, 2013
Light emitting device
MITSUISHI IWAO7 citations84
US8436527B2May 7, 2013
Light emitting device
MITSUISHI IWAO12 citations84
US8414145B2Apr 9, 2013
Light emitting device
MITSUISHI IWAO8 citations84
US8310145B2Nov 13, 2012
Light emitting device including first and second red phosphors and a green phosphor
MITSUISHI IWAO16 citations84
US8937328B2Jan 20, 2015
Light emitting device and manufacturing method thereof
MITSUISHI IWAO6 citations73
US8558251B2Oct 15, 2013
Light emitting device
MITSUISHI IWAO5 citations73
US8921878B2Dec 30, 2014
Light emitting device
MITSUISHI IWAO3 citations62
US8546824B2Oct 1, 2013
Light emitting device
MITSUISHI IWAO3 citations62
OKADA AOI
3 patentsUS8858835B2Oct 14, 2014
Red light-emitting flourescent substance and light-emitting device employing the same
OKADA AOI6 citations71
US8414795B2Apr 9, 2013
Red light-emitting fluorescent substance and light-emitting device employing the same
OKADA AOI4 citations61
US8552437B2Oct 8, 2013
Fluorescent substance, process for production of fluorescent substance, light-emitting device and light-emitting module
OKADA AOI1 citations50