Inventor
TEGA NAOKI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “TEGA NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
15 patentsUS11527615B2Dec 13, 2022
Semiconductor device
HITACHI LTD2 citations72
US9960259B2May 1, 2018
Semiconductor device, method for manufacturing same, power conversion device, three-phase motor system, automobile, and railway carriage
HITACHI LTD4 citations71
US9825166B2Nov 21, 2017
Silicon carbide semiconductor device and method for producing same
HITACHI LTD3 citations70
US9029979B2May 12, 2015
4h-SiC semiconductor element and semiconductor device
HITACHI LTD3 citations62
US10290704B2May 14, 2019
Semiconductor device and method for manufacturing same, power conversion device, three-phase motor system, automobile, and railway carriage
HITACHI LTD1 citations60
US11978794B2May 7, 2024
Silicon carbide semiconductor device, power conversion device, three-phase motor system, automobile, and railway vehicle
HITACHI LTD0 citations51
US10062759B2Aug 28, 2018
Silicon carbide semiconductor device and method for manufacturing same
HITACHI LTD1 citations51
US8872193B2Oct 28, 2014
Silicon carbide semiconductor device and method for producing the same
HITACHI LTD1 citations51
US11967624B2Apr 23, 2024
Semiconductor device
HITACHI LTD0 citations50
US11088276B2Aug 10, 2021
Silicon carbide semiconductor device
HITACHI LTD0 citations50
US10229974B2Mar 12, 2019
Semiconductor device and power conversion device
HITACHI LTD0 citations41
US9490328B2Nov 8, 2016
Silicon carbide semiconductor device and manufacturing method of the same
HITACHI LTD0 citations41
US9263571B2Feb 16, 2016
Silicon carbide semiconductor device and manufacturing method thereof
HITACHI LTD0 citations41
US9054174B2Jun 9, 2015
Semiconductor device and method for producing the same
HITACHI LTD0 citations40
US10790386B2Sep 29, 2020
Silicon carbide semiconductor device with horizontal and vertical current flow
HITACHI LTD0 citations39