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SIXPOINT MAT INC
US32 patents
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US9790617B2Oct 17, 2017
Group III nitride bulk crystals and their fabrication method
SIXPOINT MAT INC6 citations84
US9441311B2Sep 13, 2016
Growth reactor for gallium-nitride crystals using ammonia and hydrogen chloride
SIXPOINT MAT INC7 citations84
US9543393B2Jan 10, 2017
Group III nitride wafer and its production method
SIXPOINT MAT INC5 citations83
US9518340B2Dec 13, 2016
Method of growing group III nitride crystals
SIXPOINT MAT INC9 citations83
US10024809B2Jul 17, 2018
Group III nitride wafers and fabrication method and testing method
SIXPOINT MAT INC2 citations73
US9822465B2Nov 21, 2017
Method of fabricating group III nitride with gradually degraded crystal structure
SIXPOINT MAT INC3 citations73
US9670594B2Jun 6, 2017
Group III nitride crystals, their fabrication method, and method of fabricating bulk group III nitride crystals in supercritical ammonia
SIXPOINT MAT INC2 citations73
US10287709B2May 14, 2019
Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method
SIXPOINT MAT INC3 citations71
US10242868B1Mar 26, 2019
Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method
SIXPOINT MAT INC3 citations71
US9909230B2Mar 6, 2018
Seed selection and growth methods for reduced-crack group III nitride bulk crystals
SIXPOINT MAT INC4 citations71
US11767609B2Sep 26, 2023
Low-dislocation bulk GaN crystal and method of fabricating same
SIXPOINT MAT INC0 citations63
US10141435B2Nov 27, 2018
Electronic device using group III nitride semiconductor and its fabrication method
SIXPOINT MAT INC1 citations63
US10134883B2Nov 20, 2018
Electronic device using group III nitride semiconductor and its fabrication method
SIXPOINT MAT INC1 citations63
US10134884B2Nov 20, 2018
Electronic device using group III nitride semiconductor and its fabrication method
SIXPOINT MAT INC1 citations63
US9685327B2Jun 20, 2017
Electronic device using group III nitride semiconductor and its fabrication method and an epitaxial multi-layer wafer for making it
SIXPOINT MAT INC1 citations63
US9466481B2Oct 11, 2016
Electronic device and epitaxial multilayer wafer of group III nitride semiconductor having specified dislocation density, oxygen/electron concentration, and active layer thickness
SIXPOINT MAT INC2 citations63
US11742800B2Aug 29, 2023
Terahertz Gunn oscillator using gallium nitride
SIXPOINT MAT INC0 citations52
US10355115B2Jul 16, 2019
Electronic device using group III nitride semiconductor and its fabrication method
SIXPOINT MAT INC0 citations52
US10161059B2Dec 25, 2018
Group III nitride bulk crystals and their fabrication method
SIXPOINT MAT INC0 citations52
US10156530B2Dec 18, 2018
Group III nitride wafers and fabrication method and testing method
SIXPOINT MAT INC1 citations52
US10087548B2Oct 2, 2018
High-pressure vessel for growing group III nitride crystals and method of growing group III nitride crystals using high-pressure vessel and group III nitride crystal
SIXPOINT MAT INC0 citations52
US9985102B2May 29, 2018
Methods for producing improved crystallinity group III-nitride crystals from initial group III-nitride seed by ammonothermal growth
SIXPOINT MAT INC0 citations52
US9885121B2Feb 6, 2018
High pressure reactor and method of growing group III nitride crystals in supercritical ammonia
SIXPOINT MAT INC0 citations52
US9834863B2Dec 5, 2017
Group III nitride bulk crystals and fabrication method
SIXPOINT MAT INC1 citations52
US9790616B2Oct 17, 2017
Method of fabricating bulk group III nitride crystals in supercritical ammonia
SIXPOINT MAT INC0 citations52
US9783910B2Oct 10, 2017
High pressure reactor and method of growing group III nitride crystals in supercritical ammonia
SIXPOINT MAT INC1 citations52
US9754782B2Sep 5, 2017
Group III nitride substrates and their fabrication method
SIXPOINT MAT INC0 citations52
US9673044B2Jun 6, 2017
Group III nitride substrates and their fabrication method
SIXPOINT MAT INC1 citations52
US9431488B2Aug 30, 2016
Composite substrate of gallium nitride and metal oxide
SIXPOINT MAT INC1 citations52
US10316431B2Jun 11, 2019
Method of growing group III nitride crystals
SIXPOINT MAT INC0 citations51
US9435051B2Sep 6, 2016
Bismuth-doped semi-insulating group III nitride wafer and its production method
SIXPOINT MAT INC1 citations51
US10354863B2Jul 16, 2019
Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method
SIXPOINT MAT INC0 citations50