Inventor
IWABUCHI TOMOYUKI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “IWABUCHI TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
34 patentsUS6788003B2Sep 7, 2004
Light emitting device
SEMICONDUCTOR ENERGY LAB102 citations98
US7495501B2Feb 24, 2009
Charge pump circuit and semiconductor device having the same
SEMICONDUCTOR ENERGY LAB58 citations95
US7265383B2Sep 4, 2007
Light emitting device
SEMICONDUCTOR ENERGY LAB23 citations93
US7226332B2Jun 5, 2007
Light emitting device and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB16 citations93
US7218297B2May 15, 2007
Light emitting device
SEMICONDUCTOR ENERGY LAB20 citations93
US7999800B2Aug 16, 2011
Display device for partial display
SEMICONDUCTOR ENERGY LAB27 citations92
US7570072B2Aug 4, 2009
Display device including test circuit and electronic apparatus having the display device
SEMICONDUCTOR ENERGY LAB21 citations92
US8054111B2Nov 8, 2011
Semiconductor device and electronic appliance using the same
SEMICONDUCTOR ENERGY LAB8 citations84
US8044895B2Oct 25, 2011
Display device and driving method of the same
SEMICONDUCTOR ENERGY LAB11 citations84
US7528811B2May 5, 2009
Semiconductor display device and electronic appliance
SEMICONDUCTOR ENERGY LAB8 citations84
US7330162B2Feb 12, 2008
Method of driving a light emitting device and electronic equipment
SEMICONDUCTOR ENERGY LAB13 citations84
US7106290B2Sep 12, 2006
Method of driving EL display device
SEMICONDUCTOR ENERGY LAB15 citations84
US7635863B2Dec 22, 2009
Display device and electronic apparatus having the display device
SEMICONDUCTOR ENERGY LAB15 citations83
US7759859B2Jul 20, 2010
Light emitting device and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB5 citations74
US7176858B2Feb 13, 2007
Light emitting device and electronic equipment
SEMICONDUCTOR ENERGY LAB8 citations74
US9577008B2Feb 21, 2017
Display device and driving method of the same
SEMICONDUCTOR ENERGY LAB3 citations73
US7834827B2Nov 16, 2010
Light emitting device and driving method thereof
SEMICONDUCTOR ENERGY LAB4 citations63
US7710379B2May 4, 2010
Display device and method thereof
SEMICONDUCTOR ENERGY LAB4 citations63
US7652664B2Jan 26, 2010
Light emitting device
SEMICONDUCTOR ENERGY LAB1 citations63
US7652658B2Jan 26, 2010
Multidirectional photodetector, a portable communication tool having thereof and a method of displaying
SEMICONDUCTOR ENERGY LAB5 citations63
US7570233B2Aug 4, 2009
Display device
SEMICONDUCTOR ENERGY LAB3 citations63
US7535535B2May 19, 2009
Manufacturing method of display device
SEMICONDUCTOR ENERGY LAB2 citations63
US7479655B2Jan 20, 2009
Semiconductor device
SEMICONDUCTOR ENERGY LAB3 citations63
US7220603B2May 22, 2007
Method for manufacturing display device and manufacturing apparatus
SEMICONDUCTOR ENERGY LAB5 citations63
US7209208B2Apr 24, 2007
Manufacturing method of display device
SEMICONDUCTOR ENERGY LAB4 citations63
US7170478B2Jan 30, 2007
Method of driving light-emitting device
SEMICONDUCTOR ENERGY LAB3 citations63
US7385573B2Jun 10, 2008
Display device and driving method thereof
SEMICONDUCTOR ENERGY LAB5 citations62
US7947979B2May 24, 2011
Semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations52
US7808457B2Oct 5, 2010
Light emitting device and electronic appliance
SEMICONDUCTOR ENERGY LAB0 citations52
US7616182B2Nov 10, 2009
Display device and driving method thereof
SEMICONDUCTOR ENERGY LAB1 citations52
US7615785B2Nov 10, 2009
Light emitting device
SEMICONDUCTOR ENERGY LAB0 citations52
US7973670B2Jul 5, 2011
Display device and method for inspecting the same
SEMICONDUCTOR ENERGY LAB1 citations49
US7683372B2Mar 23, 2010
Semiconductor apparatus and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB1 citations48
US7405111B2Jul 29, 2008
Methods for manufacturing an active matrix display device
SEMICONDUCTOR ENERGY LAB0 citations48
OSAME MITSUAKI
5 patentsUS9153168B2Oct 6, 2015
Method for deciding duty factor in driving light-emitting device and driving method using the duty factor
OSAME MITSUAKI8 citations84
US8179170B2May 15, 2012
Semiconductor device and electronic appliance using the same
OSAME MITSUAKI3 citations63
US8593381B2Nov 26, 2013
Method of driving light-emitting device
OSAME MITSUAKI0 citations52
US8274458B2Sep 25, 2012
Method of driving light-emitting device
OSAME MITSUAKI0 citations52
US8207915B2Jun 26, 2012
Display device and driving method thereof
OSAME MITSUAKI1 citations51
IWABUCHI TOMOYUKI
4 patentsUS9047822B2Jun 2, 2015
Display device where supply of clock signal to driver circuit is controlled
IWABUCHI TOMOYUKI3 citations61
US8194009B2Jun 5, 2012
Light emitting device and driving method thereof
IWABUCHI TOMOYUKI2 citations61
US8115758B2Feb 14, 2012
Light emitting device
IWABUCHI TOMOYUKI2 citations61
US8605076B2Dec 10, 2013
Light emitting device
IWABUCHI TOMOYUKI0 citations51