Inventor
YAMAZAKI HIROKO
JP47 patents
⚠️ This page may combine multiple inventors who share the name “YAMAZAKI HIROKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
32 patentsUS7956349B2Jun 7, 2011
Organic semiconductor element
SEMICONDUCTOR ENERGY LAB96 citations99
US7943925B2May 17, 2011
Light emitting element and light emitting device
SEMICONDUCTOR ENERGY LAB159 citations99
US7473923B2Jan 6, 2009
Organic semiconductor element
SEMICONDUCTOR ENERGY LAB79 citations99
US7420203B2Sep 2, 2008
Organic semiconductor element
SEMICONDUCTOR ENERGY LAB106 citations99
US6734457B2May 11, 2004
Light emitting device
SEMICONDUCTOR ENERGY LAB117 citations99
US7488986B2Feb 10, 2009
Light emitting device
SEMICONDUCTOR ENERGY LAB67 citations98
US7956353B2Jun 7, 2011
Organic semiconductor element
SEMICONDUCTOR ENERGY LAB32 citations96
US6995509B2Feb 7, 2006
Organic light emitting element and a light emitting device using the same
SEMICONDUCTOR ENERGY LAB60 citations96
US9048398B2Jun 2, 2015
Organic light-emitting element and light-emitting device with the organic light-emitting element
SEMICONDUCTOR ENERGY LAB15 citations93
US7504771B2Mar 17, 2009
Organic light emitting element and a light emitting device using the same
SEMICONDUCTOR ENERGY LAB12 citations93
US7462372B2Dec 9, 2008
Light emitting device, method of manufacturing the same, and thin film forming apparatus
SEMICONDUCTOR ENERGY LAB24 citations93
US7355340B2Apr 8, 2008
Quinoxaline derivatives, organic semiconductor device and electroluminescent device
SEMICONDUCTOR ENERGY LAB51 citations93
US6956240B2Oct 18, 2005
Light emitting device
SEMICONDUCTOR ENERGY LAB29 citations93
US6838836B2Jan 4, 2005
Light emitting device and manufacturing method therefor
SEMICONDUCTOR ENERGY LAB20 citations93
US7737437B2Jun 15, 2010
Light emitting device
SEMICONDUCTOR ENERGY LAB20 citations92
US7482626B2Jan 27, 2009
Light emitting device
SEMICONDUCTOR ENERGY LAB17 citations92
US7473575B2Jan 6, 2009
Light emitting device
SEMICONDUCTOR ENERGY LAB17 citations92
US7592193B2Sep 22, 2009
Light emitting device
SEMICONDUCTOR ENERGY LAB15 citations84
US7045955B2May 16, 2006
Electroluminescence element and a light emitting device using the same
SEMICONDUCTOR ENERGY LAB12 citations84
US8786184B2Jul 22, 2014
Organic light-emitting element and light-emitting device with the organic light-emitting element
SEMICONDUCTOR ENERGY LAB3 citations74
US8026660B2Sep 27, 2011
Organic light emitting element and a light emitting device using the same
SEMICONDUCTOR ENERGY LAB4 citations74
US7737630B2Jun 15, 2010
Electroluminescence element and a light emitting device using the same
SEMICONDUCTOR ENERGY LAB5 citations74
US11217764B2Jan 4, 2022
Organic semiconductor element
SEMICONDUCTOR ENERGY LAB0 citations63
US9385339B2Jul 5, 2016
Organic light-emitting element and light-emitting device with the organic light-emitting element
SEMICONDUCTOR ENERGY LAB1 citations63
US9263691B2Feb 16, 2016
Light emitting device containing iridium complex
SEMICONDUCTOR ENERGY LAB1 citations63
US8994017B2Mar 31, 2015
Light emitting device containing iridium complex
SEMICONDUCTOR ENERGY LAB2 citations63
US7407422B2Aug 5, 2008
Light emitting device and manufacturing method therefor
SEMICONDUCTOR ENERGY LAB2 citations63
US7345417B2Mar 18, 2008
Light emitting device
SEMICONDUCTOR ENERGY LAB4 citations63
US7192535B2Mar 20, 2007
Conjugated molecule and electroluminescent device thereof and electronic device having the electroluminescent device
SEMICONDUCTOR ENERGY LAB4 citations63
US7075228B2Jul 11, 2006
Light emitting device and manufacturing method therefor
SEMICONDUCTOR ENERGY LAB2 citations63
US7744949B2Jun 29, 2010
Light emitting device and method of manufacturing method thereof and thin film forming apparatus
SEMICONDUCTOR ENERGY LAB1 citations52
US7476451B2Jan 13, 2009
Electroluminescent element and light emitting device
SEMICONDUCTOR ENERGY LAB0 citations42
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
4 patentsUS6757404B2Jun 29, 2004
Loud speaker, diaphragm and process for making the diaphragm
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US6680430B2Jan 20, 2004
Speaker edge, method of foam-molding the same, apparatus for foam-molding the same, speaker edge foam-molding system, and speaker employing the speaker edge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US6627140B1Sep 30, 2003
Method for manufacturing diaphragm for loudspeaker
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations72
US7072485B2Jul 4, 2006
Method for manufacturing diaphragm for loudspeaker, diaphragm for loudspeaker made thereby, and loudspeaker using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations61
YAMAZAKI HIROKO
3 patentsUS9711745B2Jul 18, 2017
Light emitting element and light emitting device
YAMAZAKI HIROKO5 citations83
US8610109B2Dec 17, 2013
Light emitting device
YAMAZAKI HIROKO5 citations83
US8624484B2Jan 7, 2014
Organic light-emitting element and light-emitting device with the organic light-emitting element
YAMAZAKI HIROKO3 citations73