Inventor
SUMIYOSHI KAZUHIDE
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SUMIYOSHI KAZUHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
8 patentsUS8349078B2Jan 8, 2013
Method of forming nitride semiconductor epitaxial layer and method of manufacturing nitride semiconductor device
SUMITOMO ELECTRIC INDUSTRIES3 citations62
US12278102B2Apr 15, 2025
Semiconductor device with silicon nitride passivation film
SUMITOMO ELECTRIC INDUSTRIES0 citations58
US11430653B2Aug 30, 2022
Method of manufacturing high electron mobility transistor and high electron mobility transistor
SUMITOMO ELECTRIC INDUSTRIES0 citations56
US9425348B2Aug 23, 2016
Group III nitride semiconductor device, and method for fabricating group III nitride semiconductor device
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US10832905B2Nov 10, 2020
Process of forming silicon nitride (SiN) film and semiconductor device providing SiN film
SUMITOMO ELECTRIC INDUSTRIES0 citations49
US10741384B2Aug 11, 2020
Process of forming silicon nitride film
SUMITOMO ELECTRIC INDUSTRIES0 citations49
US10566184B2Feb 18, 2020
Process of depositing silicon nitride (SiN) film on nitride semiconductor
SUMITOMO ELECTRIC INDUSTRIES0 citations49
US10283609B2May 7, 2019
Semiconductor device
SUMITOMO ELECTRIC INDUSTRIES0 citations49