Inventor
OBONAI TOSHIMITSU
JP35 patents
Patents
35 patentsUS10535742B2Jan 14, 2020
Metal oxide film and semiconductor device
SEMICONDUCTOR ENERGY LAB11 citations94
US10096684B2Oct 9, 2018
Metal oxide film and semiconductor device
SEMICONDUCTOR ENERGY LAB16 citations93
US11322442B2May 3, 2022
Semiconductor device including transistor with oxide semiconductor and method for manufacturing the semiconductor device
SEMICONDUCTOR ENERGY LAB5 citations84
US11063125B2Jul 13, 2021
Metal oxide film and semiconductor device
SEMICONDUCTOR ENERGY LAB6 citations84
US10770310B2Sep 8, 2020
Semiconductor device
SEMICONDUCTOR ENERGY LAB4 citations84
US10741414B2Aug 11, 2020
Semiconductor device
SEMICONDUCTOR ENERGY LAB7 citations84
US9876099B2Jan 23, 2018
Semiconductor device, display device, input/output device, and electronic device
SEMICONDUCTOR ENERGY LAB5 citations84
US9647128B2May 9, 2017
Semiconductor device
SEMICONDUCTOR ENERGY LAB10 citations84
US9443987B2Sep 13, 2016
Semiconductor device
SEMICONDUCTOR ENERGY LAB10 citations84
US9437428B2Sep 6, 2016
Method of manufacturing a semiconductor device having an oxide semiconductor layer with increased hydrogen concentration
SEMICONDUCTOR ENERGY LAB7 citations84
US9153649B2Oct 6, 2015
Semiconductor device and method for evaluating semiconductor device
SEMICONDUCTOR ENERGY LAB17 citations84
US9035301B2May 19, 2015
Imaging device
SEMICONDUCTOR ENERGY LAB14 citations84
US12087825B2Sep 10, 2024
Metal oxide film and semiconductor device
SEMICONDUCTOR ENERGY LAB1 citations73
US11764074B2Sep 19, 2023
Semiconductor device
SEMICONDUCTOR ENERGY LAB2 citations73
US11757007B2Sep 12, 2023
Metal oxide film and semiconductor device
SEMICONDUCTOR ENERGY LAB1 citations73
US11152512B2Oct 19, 2021
Semiconductor device, display device, and method for manufacturing semiconductor device
SEMICONDUCTOR ENERGY LAB2 citations73
US10403760B2Sep 3, 2019
Oxide semiconductor film, semiconductor device including the oxide semiconductor film, and display device including the semiconductor device
SEMICONDUCTOR ENERGY LAB6 citations73
US10290656B2May 14, 2019
Semiconductor device with oxide semiconductor film electrical characteristic change of which is inhibited
SEMICONDUCTOR ENERGY LAB2 citations73
US10043659B2Aug 7, 2018
Semiconductor device or display device including the same
SEMICONDUCTOR ENERGY LAB4 citations73
US9893202B2Feb 13, 2018
Manufacturing method of semiconductor device
SEMICONDUCTOR ENERGY LAB3 citations73
US9825181B2Nov 21, 2017
Transistor, circuit, semiconductor device, display device, and electronic device
SEMICONDUCTOR ENERGY LAB6 citations73
US12317544B2May 27, 2025
Semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations63
US12261119B2Mar 25, 2025
Method for manufacturing semiconductor device with impurity doped oxide semiconductor layer
SEMICONDUCTOR ENERGY LAB0 citations63
US12136674B2Nov 5, 2024
Semiconductor device
SEMICONDUCTOR ENERGY LAB1 citations63
US11810858B2Nov 7, 2023
Semiconductor device including transistor with doped oxide semiconductor and method for manufacturing the semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations63
US11705525B2Jul 18, 2023
Semiconductor device, display device, and method for manufacturing semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations63
US11637208B2Apr 25, 2023
Semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations63
US12349460B2Jul 1, 2025
Manufacturing method of semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations62
US12166134B2Dec 10, 2024
Semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations52
US11430817B2Aug 30, 2022
Semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations52
US10355136B2Jul 16, 2019
Semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations52
US10205008B2Feb 12, 2019
Manufacturing method of semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations52
US9911853B2Mar 6, 2018
Semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations52
US9634031B2Apr 25, 2017
Semiconductor device comprising oxide semiconductor
SEMICONDUCTOR ENERGY LAB1 citations52
US9882058B2Jan 30, 2018
Semiconductor device
SEMICONDUCTOR ENERGY LAB0 citations42