Inventor

SAZAWA HIROYUKI

JP6 patents

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

SUMITOMO CHEMICAL CO

4 patents

US7750351B2Jul 6, 2010

Epitaxial substrate for field effect transistor

SUMITOMO CHEMICAL CO9 citations82

US9755040B2Sep 5, 2017

Semiconductor wafer, method of producing semiconductor wafer and electronic device

SUMITOMO CHEMICAL CO3 citations71

US8350292B2Jan 8, 2013

Gallium nitride epitaxial crystal, method for production thereof, and field effect transistor

SUMITOMO CHEMICAL CO2 citations61

US7951685B2May 31, 2011

Method for manufacturing semiconductor epitaxial crystal substrate

SUMITOMO CHEMICAL CO1 citations50

HATA MASAHIKO

1 patent

US10340375B2Jul 2, 2019

Epitaxial substrate for field effect transistor

HATA MASAHIKO1 citations60

SAZAWA HIROYUKI

1 patent

US9214342B2Dec 15, 2015

Method for producing compound semiconductor crystal, method for producing electronic device, and semiconductor wafer

SAZAWA HIROYUKI0 citations30