Inventor
HIROKI MASAAKI
JP248 patents
⚠️ This page may combine multiple inventors who share the name “HIROKI MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
48 patentsUS7473928B1Jan 6, 2009
EL display device and a method of manufacturing the same
SEMICONDUCTOR ENERGY LAB118 citations99
US7265391B2Sep 4, 2007
Light emitting device and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB104 citations99
US7105365B2Sep 12, 2006
Method of manufacturing a semiconductor device
SEMICONDUCTOR ENERGY LAB144 citations99
US7098602B2Aug 29, 2006
Light emitting device and a method of manufacturing the same
SEMICONDUCTOR ENERGY LAB92 citations99
US6781162B2Aug 24, 2004
Light emitting device and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB216 citations99
US6750618B2Jun 15, 2004
Light emitting device and a method of manufacturing the same
SEMICONDUCTOR ENERGY LAB102 citations99
US6699739B2Mar 2, 2004
Thin film forming device, method of forming a thin, and self-light-emitting device
SEMICONDUCTOR ENERGY LAB111 citations99
US6566711B1May 20, 2003
Semiconductor device having interlayer insulating film
SEMICONDUCTOR ENERGY LAB126 citations99
US6555968B2Apr 29, 2003
Light emitting device and a method of manufacturing the same
SEMICONDUCTOR ENERGY LAB126 citations99
US6476447B1Nov 5, 2002
Active matrix display device including a transistor
SEMICONDUCTOR ENERGY LAB154 citations99
US6420834B2Jul 16, 2002
Light emitting device and a method of manufacturing the same
SEMICONDUCTOR ENERGY LAB323 citations99
US6147375ANov 14, 2000
Active matrix display device
SEMICONDUCTOR ENERGY LAB106 citations99
US6013928AJan 11, 2000
Semiconductor device having interlayer insulating film and method for forming the same
SEMICONDUCTOR ENERGY LAB247 citations99
US5963278AOct 5, 1999
Electro-optical device and method for driving the same
SEMICONDUCTOR ENERGY LAB150 citations99
US5956105ASep 21, 1999
Electro-optical device and method of driving the same
SEMICONDUCTOR ENERGY LAB194 citations99
US5946059AAug 31, 1999
Electro-optical device and driving method for the same
SEMICONDUCTOR ENERGY LAB92 citations99
US5933205AAug 3, 1999
Electro-optical device and method for driving the same
SEMICONDUCTOR ENERGY LAB160 citations99
US5905555AMay 18, 1999
Active matrix type electro-optical device having leveling film
SEMICONDUCTOR ENERGY LAB108 citations99
US5899547AMay 4, 1999
Electro-optical device and driving method for the same
SEMICONDUCTOR ENERGY LAB224 citations99
US5849611ADec 15, 1998
Method for forming a taper shaped contact hole by oxidizing a wiring
SEMICONDUCTOR ENERGY LAB146 citations99
US5784073AJul 21, 1998
Electro-optical device and method of driving the same
SEMICONDUCTOR ENERGY LAB125 citations99
US5620905AApr 15, 1997
Method of fabricating thin film semiconductor integrated circuit
SEMICONDUCTOR ENERGY LAB251 citations99
US5608251AMar 4, 1997
Thin film semiconductor integrated circuit and method of fabricating the same
SEMICONDUCTOR ENERGY LAB170 citations99
US5585949ADec 17, 1996
Electro-optical device
SEMICONDUCTOR ENERGY LAB201 citations99
US5568288AOct 22, 1996
Method for forming thin film transistors with anodic oxide on sides of gate line
SEMICONDUCTOR ENERGY LAB123 citations99
US5521107AMay 28, 1996
Method for forming a field-effect transistor including anodic oxidation of the gate
SEMICONDUCTOR ENERGY LAB291 citations99
US5495353AFeb 27, 1996
Electro-optical device and driving having an improved electrode and driving arrangement
SEMICONDUCTOR ENERGY LAB188 citations99
US5485019AJan 16, 1996
Semiconductor device and method for forming the same
SEMICONDUCTOR ENERGY LAB282 citations99
US5424752AJun 13, 1995
Method of driving an electro-optical device
SEMICONDUCTOR ENERGY LAB159 citations99
US5414442AMay 9, 1995
Electro-optical device and method of driving the same
SEMICONDUCTOR ENERGY LAB201 citations99
US5287205AFeb 15, 1994
Gradation method for driving liquid crystal device with ramp and select signal
SEMICONDUCTOR ENERGY LAB270 citations99
US5200846AApr 6, 1993
Electro-optical device having a ratio controlling means for providing gradated display levels
SEMICONDUCTOR ENERGY LAB320 citations99
US5165075ANov 17, 1992
Electro-optic device having pairs of complementary transistors
SEMICONDUCTOR ENERGY LAB121 citations99
US11262795B2Mar 1, 2022
Electronic device
SEMICONDUCTOR ENERGY LAB45 citations98
US10840464B2Nov 17, 2020
Foldable electronic device having an elastic body in openings of the spacers
SEMICONDUCTOR ENERGY LAB26 citations98
US10082829B2Sep 25, 2018
Electronic device
SEMICONDUCTOR ENERGY LAB65 citations98
US9818961B2Nov 14, 2017
Light-emitting device having plurality of spacers connected to each other through an elastic body
SEMICONDUCTOR ENERGY LAB54 citations98
USD770448SNov 1, 2016
Image display device
SEMICONDUCTOR ENERGY LAB53 citations98
US7692186B2Apr 6, 2010
Light emitting device and method of manufacturing the same
SEMICONDUCTOR ENERGY LAB65 citations98
US7548023B2Jun 16, 2009
EL display device and a method of manufacturing the same
SEMICONDUCTOR ENERGY LAB53 citations98
US7521722B2Apr 21, 2009
EL display device and a method of manufacturing the same
SEMICONDUCTOR ENERGY LAB54 citations98
US6891391B2May 10, 2005
Measuring method, inspection method, inspection device, semiconductor device, method of manufacturing a semiconductor device, and method of manufacturing an element substrate
SEMICONDUCTOR ENERGY LAB69 citations98
US6713783B1Mar 30, 2004
Compensating electro-optical device including thin film transistors
SEMICONDUCTOR ENERGY LAB140 citations98
US6700096B2Mar 2, 2004
Laser apparatus, laser irradiation method, manufacturing method for semiconductor device, semiconductor device, production system for semiconductor device using the laser apparatus, and electronic equipment
SEMICONDUCTOR ENERGY LAB100 citations98
US6696105B2Feb 24, 2004
Thin film forming device, thin film forming method, and self-light emitting device
SEMICONDUCTOR ENERGY LAB87 citations98
US6618115B1Sep 9, 2003
Defective pixel compensation system and display device using the system
SEMICONDUCTOR ENERGY LAB92 citations98
US6236064B1May 22, 2001
Electro-optical device
SEMICONDUCTOR ENERGY LAB97 citations98
US6215466B1Apr 10, 2001
Method of driving an electro-optical device
SEMICONDUCTOR ENERGY LAB105 citations98
YAMAZAKI SHUNPEI
1 patentSEMICONDUCTOR ENERGY LAB CO IN
1 patentShowing the top 50 of 248 patents by PatentIndex Score.