Inventor
YAMAGATA HIROKAZU
JP50 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGATA HIROKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
41 patentsUS7825419B2Nov 2, 2010
Light emitting device and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB71 citations99
US7485478B2Feb 3, 2009
Light emitting device and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB68 citations99
US7264979B2Sep 4, 2007
Method of manufacturing light emitting device
SEMICONDUCTOR ENERGY LAB116 citations99
US6528824B2Mar 4, 2003
Light emitting device
SEMICONDUCTOR ENERGY LAB171 citations99
US6515336B1Feb 4, 2003
Thin film transistors having tapered gate electrode and taped insulating film
SEMICONDUCTOR ENERGY LAB159 citations99
US6720198B2Apr 13, 2004
Light emitting device and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB89 citations98
US6909111B2Jun 21, 2005
Method of manufacturing a light emitting device and thin film forming apparatus
SEMICONDUCTOR ENERGY LAB55 citations96
US6583471B1Jun 24, 2003
Semiconductor device having first and second insulating films
SEMICONDUCTOR ENERGY LAB60 citations96
US6563482B1May 13, 2003
Display device
SEMICONDUCTOR ENERGY LAB53 citations96
US8866184B2Oct 21, 2014
Light emitting device and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB8 citations93
US8679875B2Mar 25, 2014
Light emitting device and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB10 citations93
US7423293B2Sep 9, 2008
Light emitting device
SEMICONDUCTOR ENERGY LAB37 citations93
US7176865B2Feb 13, 2007
Display device
SEMICONDUCTOR ENERGY LAB11 citations93
US7001801B2Feb 21, 2006
Method of manufacturing semiconductor device having first and second insulating films
SEMICONDUCTOR ENERGY LAB17 citations93
US6909115B2Jun 21, 2005
Semiconductor device applying to the crystalline semiconductor film
SEMICONDUCTOR ENERGY LAB21 citations93
US6680487B1Jan 20, 2004
Semiconductor comprising a TFT provided on a substrate having an insulating surface and method of fabricating the same
SEMICONDUCTOR ENERGY LAB27 citations93
US7871930B2Jan 18, 2011
Method of manufacturing a light emitting device and thin film forming apparatus
SEMICONDUCTOR ENERGY LAB14 citations92
US7294517B2Nov 13, 2007
Light emitting device and method of fabricating the same
SEMICONDUCTOR ENERGY LAB31 citations92
US7190114B2Mar 13, 2007
Light emitting display device with thin film transistor having organic and inorganic insulating films
SEMICONDUCTOR ENERGY LAB16 citations92
US6893887B2May 17, 2005
Process for producing a light emitting device
SEMICONDUCTOR ENERGY LAB24 citations92
US7601572B2Oct 13, 2009
Semiconductor device and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB9 citations84
US7026194B2Apr 11, 2006
Method of forming thin film transistors having tapered gate electrode and curved insulating film
SEMICONDUCTOR ENERGY LAB11 citations84
US6965124B2Nov 15, 2005
Light-emitting device and method of fabricating the same
SEMICONDUCTOR ENERGY LAB13 citations84
US7696514B2Apr 13, 2010
Active matrix display device having a column-like spacer
SEMICONDUCTOR ENERGY LAB4 citations74
US6686605B2Feb 3, 2004
Semiconductor device, display device, and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB5 citations74
US8980660B2Mar 17, 2015
Method of manufacturing a light emitting device and thin film forming apparatus
SEMICONDUCTOR ENERGY LAB3 citations73
US8367439B2Feb 5, 2013
Method of manufacturing a light emitting device and thin film forming apparatus
SEMICONDUCTOR ENERGY LAB4 citations73
US8026518B2Sep 27, 2011
Semiconductor device and method of fabricating the same
SEMICONDUCTOR ENERGY LAB2 citations63
US8018412B2Sep 13, 2011
Display device
SEMICONDUCTOR ENERGY LAB1 citations63
US7393792B2Jul 1, 2008
Light-emitting device and method of fabricating the same
SEMICONDUCTOR ENERGY LAB3 citations63
US6929986B2Aug 16, 2005
Semiconductor device, display device, and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB4 citations63
US9412948B2Aug 9, 2016
Method of manufacturing a light emitting device and thin film forming apparatus
SEMICONDUCTOR ENERGY LAB1 citations62
US9954196B2Apr 24, 2018
Light emitting device and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB0 citations52
US9768405B2Sep 19, 2017
Light emitting device and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB0 citations52
US9502679B2Nov 22, 2016
Light emitting device and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB0 citations52
US8669928B2Mar 11, 2014
Display device
SEMICONDUCTOR ENERGY LAB0 citations52
US8362994B2Jan 29, 2013
Display device
SEMICONDUCTOR ENERGY LAB0 citations52
US8004483B2Aug 23, 2011
Display device
SEMICONDUCTOR ENERGY LAB0 citations52
US7995015B2Aug 9, 2011
Display device
SEMICONDUCTOR ENERGY LAB0 citations52
US7615825B2Nov 10, 2009
Semiconductor device having tapered gate insulating film
SEMICONDUCTOR ENERGY LAB0 citations52
US7294887B2Nov 13, 2007
Semiconductor device comprising thin film transistor
SEMICONDUCTOR ENERGY LAB0 citations52
APPLE INC
6 patentsUS10763323B2Sep 1, 2020
Power and data routing structures for organic light-emitting diode displays
APPLE INC7 citations80
US10101853B2Oct 16, 2018
Display with shallow contact holes and reduced metal residue at planarization layer steps
APPLE INC2 citations73
US9612492B2Apr 4, 2017
Border masking structures for liquid crystal display
APPLE INC2 citations72
US9530801B2Dec 27, 2016
Display circuitry with improved transmittance and reduced coupling capacitance
APPLE INC2 citations62
US11251259B2Feb 15, 2022
Power and data routing structures for organic light-emitting diode displays
APPLE INC0 citations59
US11121263B2Sep 14, 2021
Hydrogen trap layer for display device and the same
APPLE INC0 citations48