Inventor
OBATA TOMOYUKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “OBATA TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI ELECTRIC CO LTD
8 patentsUS10847641B2Nov 24, 2020
Semiconductor device having semiconductor regions of different conductivity types provided at a predetermined interval along a first direction
FUJI ELECTRIC CO LTD2 citations72
US11239234B2Feb 1, 2022
Semiconductor device
FUJI ELECTRIC CO LTD2 citations71
US12477815B2Nov 18, 2025
Semiconductor device
FUJI ELECTRIC CO LTD0 citations61
US11810914B2Nov 7, 2023
Semiconductor device
FUJI ELECTRIC CO LTD0 citations61
US12302629B2May 13, 2025
Semiconductor device
FUJI ELECTRIC CO LTD0 citations60
US12532516B2Jan 20, 2026
Manufacturing method containing an oxygen concentration distribution
FUJI ELECTRIC CO LTD0 citations59
US11710766B2Jul 25, 2023
Semiconductor device containing an oxygen concentration distribution
FUJI ELECTRIC CO LTD0 citations59
US12550348B2Feb 10, 2026
Semiconductor device
FUJI ELECTRIC CO LTD0 citations49