Inventor
GOTOH MASAHIRO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “GOTOH MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOWA ELECTRONICS MATERIALS CO LTD
16 patentsUS7476337B2Jan 13, 2009
Phosphor and manufacturing method for the same, and light source
DOWA ELECTRONICS MATERIALS CO LTD40 citations92
US7476338B2Jan 13, 2009
Phosphor and manufacturing method for the same, and light source
DOWA ELECTRONICS MATERIALS CO LTD33 citations92
US7432647B2Oct 7, 2008
Light source having phosphor including divalent trivalent and tetravalent elements
DOWA ELECTRONICS MATERIALS CO LTD35 citations92
US7514860B2Apr 7, 2009
Phosphor mixture and light emitting device
DOWA ELECTRONICS MATERIALS CO LTD18 citations84
US7477009B2Jan 13, 2009
Phosphor mixture and light emitting device
DOWA ELECTRONICS MATERIALS CO LTD11 citations84
US7291289B2Nov 6, 2007
Phosphor and production method of the same and light source and LED using the phosphor
DOWA ELECTRONICS MATERIALS CO LTD12 citations84
US7803286B2Sep 28, 2010
Phosphor and manufacturing method for the same, and light source
DOWA ELECTRONICS MATERIALS CO LTD2 citations63
US12057260B2Aug 6, 2024
Silicon oxide-coated iron powder, method for producing the same, molded body for inductor using the same, and inductor
DOWA ELECTRONICS MATERIALS CO LTD0 citations62
US11103922B2Aug 31, 2021
Fe—Co alloy powder and method for producing the same, and antenna, inductor and EMI filter
DOWA ELECTRONICS MATERIALS CO LTD0 citations62
US11056257B2Jul 6, 2021
Magnetic compound and antenna
DOWA ELECTRONICS MATERIALS CO LTD1 citations60
US11247265B2Feb 15, 2022
Iron powder, silicon oxide coated iron powder,, molded article for inductor, and inductor
DOWA ELECTRONICS MATERIALS CO LTD0 citations52
US7956536B2Jun 7, 2011
Light emitting device and method for producing same
DOWA ELECTRONICS MATERIALS CO LTD0 citations52
US7884539B2Feb 8, 2011
Light source having phosphor including divalent, trivalent and tetravalent elements
DOWA ELECTRONICS MATERIALS CO LTD0 citations52
US7878876B2Feb 1, 2011
Light emitting device and method for producing same
DOWA ELECTRONICS MATERIALS CO LTD0 citations52
US7527748B2May 5, 2009
Phosphor and phosphor film for electron beam excitation and color display apparatus using the same
DOWA ELECTRONICS MATERIALS CO LTD0 citations52
US11114228B2Sep 7, 2021
Magnetic powder composite, antenna and electronic device, and method for producing the same
DOWA ELECTRONICS MATERIALS CO LTD0 citations48
DOWA MINING CO
4 patentsUS7252788B2Aug 7, 2007
Phosphor, light source and LED
DOWA MINING CO65 citations98
US7138756B2Nov 21, 2006
Phosphor for electron beam excitation and color display device using the same
DOWA MINING CO88 citations98
US7273568B2Sep 25, 2007
Phosphor and production method of the same, method of shifting emission wavelength of phosphor, and light source and LED
DOWA MINING CO47 citations96
US7345418B2Mar 18, 2008
Phosphor mixture and light emitting device using the same
DOWA MINING CO52 citations92
GOTOH MASAHIRO
4 patentsUS8303847B2Nov 6, 2012
Phosphor, manufacturing method of phosphor sheet and phosphor, and light emitting device using the phosphor
GOTOH MASAHIRO6 citations71
USRE45640EAug 4, 2015
Phosphor for electron beam excitation and color display device using the same
GOTOH MASAHIRO0 citations50
USRE44162EApr 23, 2013
Phosphor and phosphor film for electron beam excitation and color display apparatus using the same
GOTOH MASAHIRO0 citations50
US9683168B2Jun 20, 2017
Manufacturing method of nitride phosphor or oxynitride phosphor
GOTOH MASAHIRO0 citations40
NISSAN CHEMICAL IND LTD
2 patentsMIYACHI NOBUHIDE
2 patentsNAGATOMI AKIRA
2 patentsUSRE44996EJul 8, 2014
Phosphor and production method of the same, method of shifting emission wavelength of phosphor, and light source and LED
NAGATOMI AKIRA0 citations51
US8441180B2May 14, 2013
Light source having phosphor including divalent, trivalent and tetravalent elements
NAGATOMI AKIRA0 citations51