Inventor
NAGAO RITSUKO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “NAGAO RITSUKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
16 patentsUS7221095B2May 22, 2007
Light emitting device and method for fabricating light emitting device
SEMICONDUCTOR ENERGY LAB76 citations98
US7161184B2Jan 9, 2007
Display device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB64 citations98
US7037157B2May 2, 2006
Method of fabricating light emitting device
SEMICONDUCTOR ENERGY LAB64 citations97
US7250720B2Jul 31, 2007
Display device
SEMICONDUCTOR ENERGY LAB31 citations96
US8018403B2Sep 13, 2011
Display device
SEMICONDUCTOR ENERGY LAB16 citations92
US7943938B2May 17, 2011
Display device with light-emitting layer
SEMICONDUCTOR ENERGY LAB18 citations92
US7579774B2Aug 25, 2009
Light emitting device and method for fabricating light emitting device
SEMICONDUCTOR ENERGY LAB25 citations92
US11387263B2Jul 12, 2022
Liquid crystal display device
SEMICONDUCTOR ENERGY LAB2 citations73
US10381385B2Aug 13, 2019
Display device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB2 citations73
US9997542B2Jun 12, 2018
Display device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB2 citations73
US7303455B2Dec 4, 2007
Method of fabricating a light emitting device including a step for cleaning the surface of an anode layer during manufacture
SEMICONDUCTOR ENERGY LAB7 citations73
US7151016B2Dec 19, 2006
Method of manufacturing a semiconductor device that includes a hydrogen concentration depth profile
SEMICONDUCTOR ENERGY LAB8 citations73
US9261722B2Feb 16, 2016
Display device and method for manufacturing the same
SEMICONDUCTOR ENERGY LAB2 citations63
US7297579B2Nov 20, 2007
Semiconductor device and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB3 citations63
US7112844B2Sep 26, 2006
Semiconductor device and manufacturing method thereof
SEMICONDUCTOR ENERGY LAB2 citations63
US7709894B2May 4, 2010
Semiconductor device including a transistor with a gate electrode having a taper portion
SEMICONDUCTOR ENERGY LAB4 citations62