Inventor
IWAKAJI YOKO
JP55 patents
⚠️ This page may combine multiple inventors who share the name “IWAKAJI YOKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
47 patentsUS11164965B2Nov 2, 2021
Semiconductor device
TOSHIBA KK2 citations73
US11063130B2Jul 13, 2021
Semiconductor device and semiconductor circuit
TOSHIBA KK2 citations73
US10811524B2Oct 20, 2020
Semiconductor circuit and control circuit
TOSHIBA KK5 citations73
US10573732B2Feb 25, 2020
Semiconductor device
TOSHIBA KK4 citations73
US12183782B2Dec 31, 2024
Semiconductor device
TOSHIBA KK2 citations71
US12382648B2Aug 5, 2025
Semiconductor device and semiconductor circuit
TOSHIBA KK1 citations63
US12439654B2Oct 7, 2025
Semiconductor device
TOSHIBA KK0 citations62
US12317581B2May 27, 2025
Semiconductor device
TOSHIBA KK0 citations62
US12278263B2Apr 15, 2025
Semiconductor device
TOSHIBA KK0 citations62
US12080784B2Sep 3, 2024
Semiconductor device and method of controlling same
TOSHIBA KK0 citations62
US12068311B2Aug 20, 2024
Semiconductor device
TOSHIBA KK0 citations62
US11984473B2May 14, 2024
Semiconductor device
TOSHIBA KK0 citations62
US11984495B2May 14, 2024
Semiconductor device and semiconductor circuit
TOSHIBA KK0 citations62
US11955477B2Apr 9, 2024
Semiconductor device and semiconductor circuit
TOSHIBA KK1 citations62
US11862677B2Jan 2, 2024
Semiconductor device
TOSHIBA KK0 citations62
US11855157B2Dec 26, 2023
Semiconductor device having thermally conductive electrodes
TOSHIBA KK0 citations62
US11715776B2Aug 1, 2023
Semiconductor device and semiconductor circuit
TOSHIBA KK0 citations62
US11594622B2Feb 28, 2023
Semiconductor device and method of controlling same
TOSHIBA KK0 citations62
US11563094B2Jan 24, 2023
Semiconductor device having thermally conductive electrodes
TOSHIBA KK0 citations62
US11502074B2Nov 15, 2022
Semiconductor device
TOSHIBA KK0 citations62
US11437503B2Sep 6, 2022
Semiconductor device
TOSHIBA KK1 citations62
US11222966B2Jan 11, 2022
Semiconductor device and semiconductor module
TOSHIBA KK1 citations62
US11101375B2Aug 24, 2021
Semiconductor device and method of controlling same
TOSHIBA KK1 citations62
US10985268B2Apr 20, 2021
Semiconductor device
TOSHIBA KK1 citations62
US10903348B2Jan 26, 2021
Semiconductor device
TOSHIBA KK1 citations62
US12113126B2Oct 8, 2024
Semiconductor device
TOSHIBA KK0 citations61
US12550347B2Feb 10, 2026
Semiconductor device and semiconductor circuit
TOSHIBA KK0 citations52
US12495585B2Dec 9, 2025
Semiconductor device having control electrodes in termination region
TOSHIBA KK0 citations52
US12159927B2Dec 3, 2024
Semiconductor device having gate electrodes on front side and back side
TOSHIBA KK0 citations52
US12027611B2Jul 2, 2024
Semiconductor device and method for driving same
TOSHIBA KK0 citations52
US11955546B2Apr 9, 2024
Semiconductor device and method for controlling same
TOSHIBA KK0 citations52
US11349018B2May 31, 2022
Semiconductor device and semiconductor circuit
TOSHIBA KK0 citations52
US11335771B2May 17, 2022
Semiconductor device
TOSHIBA KK0 citations52
US11282949B2Mar 22, 2022
Semiconductor device and semiconductor circuit
TOSHIBA KK0 citations52
US11222891B2Jan 11, 2022
Semiconductor device and semiconductor circuit
TOSHIBA KK0 citations52
US11217686B2Jan 4, 2022
Semiconductor device and semiconductor circuit
TOSHIBA KK0 citations52
US11152466B2Oct 19, 2021
Semiconductor device
TOSHIBA KK0 citations52
US12538535B2Jan 27, 2026
Semiconductor device having semiconductor regions of alternating conductivity types, one of which has a peak in impurity concentration located between gate electrodes of the semiconductor device
TOSHIBA KK0 citations51
US12300695B2May 13, 2025
Semiconductor device and semiconductor circuit
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
US11721750B2Aug 8, 2023
Semiconductor device
TOSHIBA KK0 citations51
US11563113B2Jan 24, 2023
Semiconductor device and integrated circuit
TOSHIBA KK0 citations51
US11538929B2Dec 27, 2022
Semiconductor device and method for controlling same
TOSHIBA KK0 citations51
US11532704B2Dec 20, 2022
Semiconductor device
TOSHIBA KK0 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
HIROTA JUN
2 patentsIWAKAJI YOKO
1 patentShowing the top 50 of 55 patents by PatentIndex Score.