P

Inventor

KURAOKA YOSHITAKA

JP32 patents
⚠️ This page may combine multiple inventors who share the name “KURAOKA YOSHITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK INSULATORS LTD

26 patents
US9231155B2Jan 5, 2016

Composite substrates, a method of producing the same, a method of producing functional layers made of nitrides of group 13 elements, and functional devices

NGK INSULATORS LTD3 citations73
US8378386B2Feb 19, 2013

Epitaxial substrate for semiconductor device, semiconductor device, and method of manufacturing epitaxial substrate for semiconductor device

NGK INSULATORS LTD6 citations73
US10410859B2Sep 10, 2019

Epitaxial substrate for semiconductor elements, semiconductor element, and manufacturing method for epitaxial substrates for semiconductor elements

NGK INSULATORS LTD4 citations72
US10770552B2Sep 8, 2020

Epitaxial substrate for semiconductor elements, semiconductor element, and manufacturing method for epitaxial substrates for semiconductor elements

NGK INSULATORS LTD1 citations62
US8044485B2Oct 25, 2011

Semiconductor device

NGK INSULATORS LTD3 citations62
US10804432B2Oct 13, 2020

Free-standing substrate comprising polycrystalline group 13 element nitride and light-emitting element using same

NGK INSULATORS LTD0 citations52
US10734548B2Aug 4, 2020

Free-standing substrate comprising polycrystalline group 13 element nitride and light-emitting element using same

NGK INSULATORS LTD0 citations52
US10707373B2Jul 7, 2020

Polycrystalline gallium nitride self-supported substrate and light emitting element using same

NGK INSULATORS LTD0 citations52
US10347755B2Jul 9, 2019

Group 13 nitride composite substrate semiconductor device, and method for manufacturing group 13 nitride composite substrate

NGK INSULATORS LTD0 citations52
US10128406B2Nov 13, 2018

GaN template substrate

NGK INSULATORS LTD0 citations52
US10030318B2Jul 24, 2018

Composite substrate, method for fabricating same, function element, and seed crystal substrate

NGK INSULATORS LTD1 citations52
US9882042B2Jan 30, 2018

Group 13 nitride composite substrate semiconductor device, and method for manufacturing group 13 nitride composite substrate

NGK INSULATORS LTD1 citations52
US9768352B2Sep 19, 2017

Polycrystalline gallium-nitride self-supporting substrate and light-emitting element using same

NGK INSULATORS LTD0 citations52
US9653649B2May 16, 2017

Gallium nitride substrates and functional devices

NGK INSULATORS LTD0 citations52
US9543473B2Jan 10, 2017

Polycrystalline gallium-nitride self-supporting substrate and light-emitting element using same

NGK INSULATORS LTD0 citations52
US7982241B2Jul 19, 2011

Epitaxial substrate, semiconductor device substrate, and HEMT device

NGK INSULATORS LTD1 citations52
US10629688B2Apr 21, 2020

Epitaxial substrate for semiconductor elements, semiconductor element, and manufacturing method for epitaxial substrates for semiconductor elements

NGK INSULATORS LTD0 citations51
US10580646B2Mar 3, 2020

Epitaxial substrate for semiconductor elements, semiconductor element, and manufacturing method for epitaxial substrates for semiconductor elements

NGK INSULATORS LTD0 citations51
US10418239B2Sep 17, 2019

Epitaxial substrate for semiconductor elements, semiconductor element, and manufacturing method for epitaxial substrates for semiconductor elements

NGK INSULATORS LTD0 citations51
US10332975B2Jun 25, 2019

Epitaxial substrate for semiconductor device and method for manufacturing same

NGK INSULATORS LTD0 citations51
US9196480B2Nov 24, 2015

Method for treating group III nitride substrate and method for manufacturing epitaxial substrate

NGK INSULATORS LTD1 citations51
US9660138B2May 23, 2017

Light emitting device and method for manufacturing light emitting device

NGK INSULATORS LTD0 citations50
US9653651B2May 16, 2017

Light emitting device and method for manufacturing light emitting device

NGK INSULATORS LTD0 citations50
US10598369B2Mar 24, 2020

Heat discharge structures for light source devices and light source systems

NGK INSULATORS LTD0 citations42
US9171914B2Oct 27, 2015

Semiconductor device

NGK INSULATORS LTD0 citations41
US10541514B2Jan 21, 2020

Surface-emitting device, vertical external-cavity surface-emitting laser, and method for manufacturing surface-emitting device

NGK INSULATORS LTD0 citations40

MIYOSHI MAKOTO

4 patents

KURAOKA YOSHITAKA

1 patent

SUMIYA SHIGEAKI

1 patent