Inventor
SAKURAI YOSUKE
JP21 patents
Patents
21 patentsUS10707300B2Jul 7, 2020
Semiconductor device
FUJI ELECTRIC CO LTD3 citations73
US11342186B2May 24, 2022
Semiconductor device and manufacturing method thereof
FUJI ELECTRIC CO LTD3 citations72
US11264491B2Mar 1, 2022
Semiconductor device for improving transistor characteristics during turn-on
FUJI ELECTRIC CO LTD3 citations70
US12256560B1Mar 18, 2025
IGBT with electric field relaxation doping profile
FUJI ELECTRIC CO LTD0 citations62
US12191148B2Jan 7, 2025
Semiconductor device and manufacturing method thereof
FUJI ELECTRIC CO LTD0 citations62
US11942535B2Mar 26, 2024
Semiconductor device
FUJI ELECTRIC CO LTD1 citations62
US11735424B2Aug 22, 2023
Semiconductor device and manufacturing method thereof
FUJI ELECTRIC CO LTD0 citations62
US10916628B2Feb 9, 2021
Semiconductor device
FUJI ELECTRIC CO LTD1 citations62
US12087849B2Sep 10, 2024
Semiconductor device
FUJI ELECTRIC CO LTD1 citations61
US11810913B2Nov 7, 2023
Semiconductor device
FUJI ELECTRIC CO LTD0 citations61
US11488951B2Nov 1, 2022
Semiconductor device
FUJI ELECTRIC CO LTD0 citations61
US12495564B2Dec 9, 2025
Semiconductor device
FUJI ELECTRIC CO LTD0 citations60
US12266719B2Apr 1, 2025
Semiconductor device, manufacturing method of semiconductor device, and power conversion device comprising semiconductor device
FUJI ELECTRIC CO LTD0 citations52
US12575149B2Mar 10, 2026
Semiconductor device
FUJI ELECTRIC CO LTD0 citations50
US12557573B2Feb 17, 2026
Semiconductor device provided with at least IGBT
FUJI ELECTRIC CO LTD0 citations50
US12527016B2Jan 13, 2026
Semiconductor device and manufacturing method
FUJI ELECTRIC CO LTD0 citations50
US12520570B2Jan 6, 2026
Semiconductor device
FUJI ELECTRIC CO LTD0 citations50
US12199162B2Jan 14, 2025
Semiconductor device and fabrication method of semiconductor device having improved breaking withstand capability
FUJI ELECTRIC CO LTD0 citations50
US12191358B2Jan 7, 2025
Semiconductor device
FUJI ELECTRIC CO LTD0 citations50
US12543355B2Feb 3, 2026
Semiconductor device
FUJI ELECTRIC CO LTD0 citations47
US10651302B2May 12, 2020
Semiconductor device
FUJI ELECTRIC CO LTD0 citations41