Inventor
YAMASHITA SHUJI
JP45 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA SHUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC IP MAN CO LTD
10 patentsUS12415419B2Sep 16, 2025
Display device, movable object
PANASONIC IP MAN CO LTD0 citations63
US11150689B2Oct 19, 2021
Image display device
PANASONIC IP MAN CO LTD1 citations61
US11315912B2Apr 26, 2022
Image display device
PANASONIC IP MAN CO LTD0 citations59
US9122032B2Sep 1, 2015
Light receiving device
PANASONIC IP MAN CO LTD2 citations58
US11169321B2Nov 9, 2021
Liquid crystal display device
PANASONIC IP MAN CO LTD0 citations51
US11067849B2Jul 20, 2021
Liquid crystal display apparatus
PANASONIC IP MAN CO LTD0 citations51
US11022843B2Jun 1, 2021
Liquid crystal display apparatus
PANASONIC IP MAN CO LTD0 citations51
US11246429B2Feb 15, 2022
Image display device and furniture including the image display device
PANASONIC IP MAN CO LTD0 citations49
US12228979B2Feb 18, 2025
Image display device
PANASONIC IP MAN CO LTD0 citations48
US10021475B2Jul 10, 2018
Headset
PANASONIC IP MAN CO LTD0 citations43
DOWA ELECTRONICS MATERIALS CO LTD
9 patentsUS7476338B2Jan 13, 2009
Phosphor and manufacturing method for the same, and light source
DOWA ELECTRONICS MATERIALS CO LTD33 citations92
US7476337B2Jan 13, 2009
Phosphor and manufacturing method for the same, and light source
DOWA ELECTRONICS MATERIALS CO LTD40 citations92
US7432647B2Oct 7, 2008
Light source having phosphor including divalent trivalent and tetravalent elements
DOWA ELECTRONICS MATERIALS CO LTD35 citations92
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
US7476336B2Jan 13, 2009
Phosphor and manufacturing method for the same, and light emitting device using the phosphor
DOWA ELECTRONICS MATERIALS CO LTD3 citations63
US7884539B2Feb 8, 2011
Light source having phosphor including divalent, trivalent and tetravalent elements
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
US10350679B2Jul 16, 2019
Fine silver particle dispersing solution
DOWA ELECTRONICS MATERIALS CO LTD0 citations46
PANASONIC CORP
4 patentsUS9551890B2Jan 24, 2017
Electronic apparatus
PANASONIC CORP3 citations71
US7724318B2May 25, 2010
Electronic equipment with display panel and protective plate
PANASONIC CORP2 citations62
US7507928B2Mar 24, 2009
Operating device and method of manufacture thereof
PANASONIC CORP0 citations52
US9075169B2Jul 7, 2015
Display device with a light emission part disposed around a display part
PANASONIC CORP0 citations39
DOWA MINING CO
3 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
NEC CORP
3 patentsYAMASHITA SHUJI
3 patentsNAGATOMI AKIRA
3 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
US8308981B2Nov 13, 2012
Phosphor and manufacturing method for the same, and light source
NAGATOMI AKIRA0 citations51