P

Inventor

SAKAI MITSUHIKO

JP28 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI MITSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

12 patents
US10192960B2Jan 29, 2019

Silicon carbide semiconductor device and method for manufacturing same

SUMITOMO ELECTRIC INDUSTRIES8 citations84
US9799506B2Oct 24, 2017

Breakdown voltage measuring method and method for manufacturing semiconductor device

SUMITOMO ELECTRIC INDUSTRIES2 citations73
US9640619B2May 2, 2017

Methods of manufacturing wide band gap semiconductor device and semiconductor module, and wide band gap semiconductor device and semiconductor module

SUMITOMO ELECTRIC INDUSTRIES2 citations73
US9607905B2Mar 28, 2017

Method of measuring breakdown voltage of semiconductor element and method of manufacturing semiconductor element

SUMITOMO ELECTRIC INDUSTRIES2 citations73
US12057416B2Aug 6, 2024

Semiconductor device with metal film on surface between passivation film and copper film

SUMITOMO ELECTRIC INDUSTRIES0 citations62
US9224816B2Dec 29, 2015

Silicon carbide semiconductor device

SUMITOMO ELECTRIC INDUSTRIES3 citations62
US9831126B2Nov 28, 2017

Method of manufacturing semiconductor device, semiconductor substrate, and semiconductor device

SUMITOMO ELECTRIC INDUSTRIES0 citations52
US9647081B2May 9, 2017

Method for manufacturing silicon carbide semiconductor device

SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11916029B2Feb 27, 2024

Semiconductor device

SUMITOMO ELECTRIC INDUSTRIES0 citations51
US9397155B2Jul 19, 2016

Silicon carbide semiconductor device

SUMITOMO ELECTRIC INDUSTRIES0 citations51
US10608107B2Mar 31, 2020

Silicon carbide semiconductor device

SUMITOMO ELECTRIC INDUSTRIES0 citations42
US10056247B2Aug 21, 2018

Method of manufacturing silicon carbide semiconductor device

SUMITOMO ELECTRIC INDUSTRIES0 citations41

ROHM CO LTD

11 patents

SAKAI MITSUHIKO

2 patents

TAKAO MASAKAZU

2 patents

SONOBE MASAYUKI

1 patent