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 patentsUS9231155B2Jan 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 patentsUS8410552B2Apr 2, 2013
Epitaxial substrate for semiconductor device, semiconductor device, and method of manufacturing epitaxial substrate for semiconductor device
MIYOSHI MAKOTO5 citations72
US8890208B2Nov 18, 2014
Group III nitride epitaxial substrate for semiconductor device, semiconductor device, and process for producing group III nitride epitaxial substrate for semiconductor device
MIYOSHI MAKOTO1 citations51
US8598626B2Dec 3, 2013
Epitaxial substrate for semiconductor device, schottky junction structure, and leakage current suppression method for schottky junction structure
MIYOSHI MAKOTO0 citations51
US8872226B2Oct 28, 2014
Group III nitride epitaxial substrate for semiconductor device, semiconductor device, and process for producing group III nitride epitaxial substrate for semiconductor device
MIYOSHI MAKOTO0 citations41