Inventor
KAWAMURA KEIKO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMURA KEIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
25 patentsUS7541642B2Jun 2, 2009
Semiconductor device with a gate electrode including a pair of polysilicon layers
TOSHIBA KK34 citations92
US7227226B2Jun 5, 2007
Semiconductor device with buried-oxide film
TOSHIBA KK14 citations83
US11063130B2Jul 13, 2021
Semiconductor device and semiconductor circuit
TOSHIBA KK2 citations73
US10510879B2Dec 17, 2019
Semiconductor device
TOSHIBA KK2 citations72
US9653557B2May 16, 2017
Semiconductor device
TOSHIBA KK6 citations72
US12183782B2Dec 31, 2024
Semiconductor device
TOSHIBA KK2 citations71
US11715776B2Aug 1, 2023
Semiconductor device and semiconductor circuit
TOSHIBA KK0 citations62
US11222966B2Jan 11, 2022
Semiconductor device and semiconductor module
TOSHIBA KK1 citations62
US12113126B2Oct 8, 2024
Semiconductor device
TOSHIBA KK0 citations61
US7176521B2Feb 13, 2007
Power semiconductor device
TOSHIBA KK6 citations61
US10916644B2Feb 9, 2021
Semiconductor device
TOSHIBA KK0 citations52
US12396208B2Aug 19, 2025
Semiconductor device
TOSHIBA KK0 citations51
US11908925B2Feb 20, 2024
Semiconductor device and method for controlling semiconductor device
TOSHIBA KK0 citations51
US11830790B2Nov 28, 2023
Semiconductor device
TOSHIBA KK0 citations51
US11532704B2Dec 20, 2022
Semiconductor device
TOSHIBA KK0 citations51
US8968017B2Mar 3, 2015
Semiconductor device and method for manufacturing the same
TOSHIBA KK0 citations51
US7507630B2Mar 24, 2009
Method of fabricating a semiconductor device
TOSHIBA KK1 citations51
US12550419B2Feb 10, 2026
Semiconductor device
TOSHIBA KK0 citations50
US12532491B2Jan 20, 2026
Semiconductor device having first and second regions extending in different directions in termination region and manufacturing method thereof
TOSHIBA KK0 citations50
US12363929B2Jul 15, 2025
Semiconductor device
TOSHIBA KK0 citations50
US12336267B2Jun 17, 2025
Semiconductor device
TOSHIBA KK0 citations50
US12087850B2Sep 10, 2024
Semiconductor device and semiconductor circuit
TOSHIBA KK0 citations50
US11575031B2Feb 7, 2023
Semiconductor element and semiconductor device
TOSHIBA KK0 citations50
US10546953B2Jan 28, 2020
Semiconductor device including an electrode having a part with an inverse tapered shape
TOSHIBA KK0 citations41
US7714383B2May 11, 2010
Semiconductor device
TOSHIBA KK0 citations37