Inventor
NAGATSUKA SHUHEI
JP127 patents
⚠️ This page may combine multiple inventors who share the name “NAGATSUKA SHUHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEMICONDUCTOR ENERGY LAB
39 patentsUS7898215B2Mar 1, 2011
Electric power charge and discharge system
SEMICONDUCTOR ENERGY LAB25 citations96
US11114449B2Sep 7, 2021
Semiconductor device
SEMICONDUCTOR ENERGY LAB10 citations94
US10593683B2Mar 17, 2020
Semicondutor device
SEMICONDUCTOR ENERGY LAB19 citations94
US10388364B2Aug 20, 2019
Memory device, driving method thereof, semiconductor device, electronic component, and electronic device
SEMICONDUCTOR ENERGY LAB41 citations94
US10217752B2Feb 26, 2019
Semiconductor device
SEMICONDUCTOR ENERGY LAB14 citations94
US9954003B2Apr 24, 2018
Semiconductor device and electronic device
SEMICONDUCTOR ENERGY LAB26 citations94
US9653611B2May 16, 2017
Semiconductor device
SEMICONDUCTOR ENERGY LAB25 citations94
US9542977B2Jan 10, 2017
Semiconductor device and electronic device
SEMICONDUCTOR ENERGY LAB21 citations94
US9825037B2Nov 21, 2017
Semiconductor device and driving method thereof
SEMICONDUCTOR ENERGY LAB12 citations93
US9299813B2Mar 29, 2016
Semiconductor device and driving method thereof
SEMICONDUCTOR ENERGY LAB12 citations93
US9240244B2Jan 19, 2016
Method for driving semiconductor device and semiconductor device
SEMICONDUCTOR ENERGY LAB18 citations93
US8988152B2Mar 24, 2015
Semiconductor device
SEMICONDUCTOR ENERGY LAB25 citations93
US8902640B2Dec 2, 2014
Semiconductor device and driving method thereof
SEMICONDUCTOR ENERGY LAB14 citations93
US8847326B2Sep 30, 2014
Semiconductor device
SEMICONDUCTOR ENERGY LAB23 citations93
US8054037B2Nov 8, 2011
Electronic device
SEMICONDUCTOR ENERGY LAB12 citations93
US7808206B2Oct 5, 2010
Electric power charge and discharge system
SEMICONDUCTOR ENERGY LAB17 citations93
US7570072B2Aug 4, 2009
Display device including test circuit and electronic apparatus having the display device
SEMICONDUCTOR ENERGY LAB21 citations92
US11929470B2Mar 12, 2024
Electric power charge and discharge system
SEMICONDUCTOR ENERGY LAB4 citations86
US11751409B2Sep 5, 2023
Semiconductor device
SEMICONDUCTOR ENERGY LAB7 citations86
US11699465B2Jul 11, 2023
Memory device
SEMICONDUCTOR ENERGY LAB8 citations86
US11621443B2Apr 4, 2023
Electric power charge and discharge system
SEMICONDUCTOR ENERGY LAB6 citations86
US11205461B2Dec 21, 2021
Memory device comprising first through fourth transistors
SEMICONDUCTOR ENERGY LAB7 citations84
US11101300B2Aug 24, 2021
Semiconductor device and manufacturing method of semiconductor device
SEMICONDUCTOR ENERGY LAB8 citations84
US10923477B2Feb 16, 2021
Semiconductor device and method for manufacturing semiconductor device
SEMICONDUCTOR ENERGY LAB7 citations84
US10658877B2May 19, 2020
Electric power charge and discharge system
SEMICONDUCTOR ENERGY LAB2 citations84
US9911756B2Mar 6, 2018
Semiconductor device including transistor and electronic device surrounded by layer having assigned band gap to prevent electrostatic discharge damage
SEMICONDUCTOR ENERGY LAB6 citations84
US9831707B2Nov 28, 2017
Electric power charge and discharge system
SEMICONDUCTOR ENERGY LAB3 citations84
US9755643B2Sep 5, 2017
Semiconductor device including buffer circuit and level shifter circuit, and electronic device including the same
SEMICONDUCTOR ENERGY LAB12 citations84
US9748274B2Aug 29, 2017
Memory device comprising stacked memory cells and electronic device including the same
SEMICONDUCTOR ENERGY LAB11 citations84
US9716100B2Jul 25, 2017
Semiconductor device, method for driving semiconductor device, and electronic device
SEMICONDUCTOR ENERGY LAB11 citations84
US9685500B2Jun 20, 2017
Circuit system
SEMICONDUCTOR ENERGY LAB17 citations84
US9673224B2Jun 6, 2017
Semiconductor device
SEMICONDUCTOR ENERGY LAB9 citations84
US9666722B2May 30, 2017
Semiconductor device
SEMICONDUCTOR ENERGY LAB10 citations84
US9653479B2May 16, 2017
Semiconductor device and electronic device
SEMICONDUCTOR ENERGY LAB15 citations84
US9589611B2Mar 7, 2017
Memory device, semiconductor device, and electronic device
SEMICONDUCTOR ENERGY LAB11 citations84
US9525051B2Dec 20, 2016
Semiconductor device and driving method thereof
SEMICONDUCTOR ENERGY LAB10 citations84
US9230970B2Jan 5, 2016
Semiconductor device
SEMICONDUCTOR ENERGY LAB5 citations84
US9171630B2Oct 27, 2015
Method for driving semiconductor device and semiconductor device
SEMICONDUCTOR ENERGY LAB9 citations84
US9007813B2Apr 14, 2015
Semiconductor device
SEMICONDUCTOR ENERGY LAB6 citations84
NAGATSUKA SHUHEI
3 patentsYAMAZAKI SHUNPEI
2 patentsINOUE HIROKI
2 patentsKATO KIYOSHI
2 patentsSAITO TOSHIHIKO
1 patentMATSUZAKI TAKANORI
1 patentShowing the top 50 of 127 patents by PatentIndex Score.