Letts; Edward

Patent Applications and Registrations

Patent applications and USPTO patent grants for Letts; Edward.The latest application filed is for "seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method".

Company Profile

8.32.36

Letts; Edward - Buellton CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method Grant 10,354,863 - Hashimoto , et al. July 16, 2	2019-07-16
Method of growing group III nitride crystals Grant 10,316,431 - Hashimoto , et al.	2019-06-11
Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method Grant 10,287,709 - Hashimoto , et al.	2019-05-14
Seed Crystal For Growth Of Gallium Nitride Bulk Crystal In Supercritical Ammonia And Fabrication Method App 20190091807 - Hashimoto; Tadao ; et al.	2019-03-28
Seed Crystal For Growth Of Gallium Nitride Bulk Crystal In Supercritical Ammonia And Fabrication Method App 20190093256 - Hashimoto; Tadao ; et al.	2019-03-28
Seed Crystal For Growth Of Gallium Nitride Bulk Crystal In Supercritical Ammonia And Fabrication Method App 20190096668 - Hashimoto; Tadao ; et al.	2019-03-28
Seed Crystal For Growth Of Gallium Nitride Bulk Crystal In Supercritical Ammonia And Fabrication Method.,/ App 20190096667 - Hashimoto; Tadao ; et al.	2019-03-28
Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method Grant 10,242,868 - Hashimoto , et al.	2019-03-26
Group III nitride bulk crystals and their fabrication method Grant 10,161,059 - Hashimoto , et al. Dec	2018-12-25
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 Grant 10,087,548 - Hashimoto , et al. October 2, 2	2018-10-02
Methods for producing improved crystallinity group III-nitride crystals from initial group III-nitride seed by ammonothermal growth Grant 9,985,102 - Letts , et al. May 29, 2	2018-05-29
Seed selection and growth methods for reduced-crack group III nitride bulk crystals Grant 9,909,230 - Hashimoto , et al. March 6, 2	2018-03-06
Group III nitride bulk crystals and fabrication method Grant 9,834,863 - Hashimoto , et al. December 5, 2	2017-12-05
Method for producing group III-nitride wafers and group III-nitride wafers Grant 9,803,293 - Hashimoto , et al. October 31, 2	2017-10-31
Group III nitride bulk crystals and their fabrication method Grant 9,790,617 - Hashimoto , et al. October 17, 2	2017-10-17
Methods For Producing Improved Crystallinity Group Iii-nitride Crystals From Initial Group Iii-nitride Seed By Ammonothermal Growth App 20170198407 - Letts; Edward ; et al.	2017-07-13
Method For Producing Group Iii Nitride Wafers And Group Iii Nitride Wafers App 20170175295 - Hashimoto; Tadao ; et al.	2017-06-22
Group III nitride wafer and its production method Grant 9,543,393 - Hashimoto , et al. January 10, 2	2017-01-10
Method of growing group III nitride crystals Grant 9,518,340 - Hashimoto , et al. December 13, 2	2016-12-13
Growth reactor for gallium-nitride crystals using ammonia and hydrogen chloride Grant 9,441,311 - Hashimoto , et al. September 13, 2	2016-09-13
Bismuth-doped semi-insulating group III nitride wafer and its production method Grant 9,435,051 - Hashimoto , et al. September 6, 2	2016-09-06
Seed Selection And Growth Methods For Reduced-crack Group Iii Nitride Bulk Crystals App 20160215410 - Hashimoto; Tadao ; et al.	2016-07-28
Bismuth-doped Semi-insulating Group Iii Nitride Wafer And Its Production Method App 20160130720 - Hashimoto; Tadao ; et al.	2016-05-12
Method Of Growing Group Iii Nitride Crystals App 20160040318 - Hashimoto; Tadao ; et al.	2016-02-11
Bismuth-doped semi-insulating group III nitride wafer and its production method Grant 9,255,342 - Hashimoto , et al. February 9, 2	2016-02-09
Method Of Growing Group Iii Nitride Crystals Using High Pressure Vessel App 20160010238 - Hashimoto; Tadao ; et al.	2016-01-14
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 App 20160002817 - Hashimoto; Tadao ; et al.	2016-01-07
Method of growing group III nitride crystals Grant 9,202,872 - Hashimoto , et al. December 1, 2	2015-12-01
Group Iii Nitride Bulk Crystals And Their Fabrication Method App 20150337453 - HASHIMOTO; Tadao ; et al.	2015-11-26
Group Iii Nitride Bulk Crystals And Their Fabrication Method App 20150340444 - HASHIMOTO; Tadao ; et al.	2015-11-26
Group Iii Nitride Bulk Crystals And Their Fabrication Method App 20150337457 - HASHIMOTO; Tadao ; et al.	2015-11-26
Group Iii Nitride Bulk Crystals And Fabrication Method App 20150203991 - Hashimoto; Tadao ; et al.	2015-07-23
Growth Reactor For Gallium-nitride Crystals Using Ammonia And Hydrogen Chloride App 20150075421 - HASHIMOTO; Tadao ; et al.	2015-03-19
Group III nitride wafer and its production method Grant 8,921,231 - Hashimoto , et al. December 30, 2	2014-12-30
Reactor Design For Growing Group Iii Nitride Crystals And Method Of Growing Group Iii Nitride Crystals App 20140326175 - HASHIMOTO; Tadao ; et al.	2014-11-06
Methods for producing GaN nutrient for ammonothermal growth Grant 8,852,341 - Letts , et al. October 7, 2	2014-10-07
Methods For Producing Improved Crystallinity Group Iii-nitride Crystals From Initial Group Iii-nitride Seed By Ammonothermal Growth App 20140209925 - LETTS; Edward ; et al.	2014-07-31
Growth reactor for gallium-nitride crystals using ammonia and hydrogen chloride Grant 8,764,903 - Hashimoto , et al. July 1, 2	2014-07-01
Methods For Producing Improved Crystallinity Group Iii-nitride Crystals From Initial Group Iii-nitride Seed By Ammonothermal Growth App 20140174340 - LETTS; Edward ; et al.	2014-06-26
Methods for producing improved crystallinity group III-nitride crystals from initial group III-nitride seed by ammonothermal growth Grant 8,728,234 - Letts , et al. May 20, 2	2014-05-20
Method Of Growing Group Iii Nitride Crystals App 20140087209 - Hashimoto; Tadao ; et al.	2014-03-27
Method Of Growing Group Iii Nitride Crystals App 20140087113 - Hashimoto; Tadao ; et al.	2014-03-27
Group Iii Nitride Wafer And Its Production Method App 20140061662 - Hashimoto; Tadao ; et al.	2014-03-06
Group Iii Nitride Wafer And Its Production Method App 20140065796 - Hashimoto; Tadao ; et al.	2014-03-06
Bismuth-doped Semi-insulating Group Iii Nitride Wafer And Its Production Method App 20140054589 - HASHIMOTO; Tadao ; et al.	2014-02-27
Method for testing group III-nitride wafers and group III-nitride wafers with test data Grant 8,585,822 - Hashimoto , et al. November 19, 2	2013-11-19
Method for testing group III-nitride wafers and group III-nitride wafers with test data Grant 8,557,043 - Hashimoto , et al. October 15, 2	2013-10-15
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 App 20130216845 - Hashimoto; Tadao ; et al.	2013-08-22
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 App 20130206057 - HASHIMOTO; Tadao ; et al.	2013-08-15
Method For Testing Group Iii-nitride Wafers And Group Iii-nitride Wafers With Test Data App 20130135005 - Hashimoto; Tadao ; et al.	2013-05-30
Method For Testing Group Iii-nitride Wafers And Group Iii-nitride Wafers With Test Data App 20130119399 - Hashimoto; Tadao ; et al.	2013-05-16
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 Grant 8,420,041 - Hashimoto , et al. April 16, 2	2013-04-16
Method for testing group III-nitride wafers and group III-nitride wafers with test data Grant 8,357,243 - Hashimoto , et al. January 22, 2	2013-01-22
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 App 20120304917 - HASHIMOTO; Tadao ; et al.	2012-12-06
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 Grant 8,236,267 - Hashimoto , et al. August 7, 2	2012-08-07
Growth Reactor For Gallium-nitride Crystals Using Ammonia And Hydrogen Chloride App 20100285657 - HASHIMOTO; Tadao ; et al.	2010-11-11
METHODS FOR PRODUCING GaN NUTRIENT FOR AMMONOTHERMAL GROWTH App 20100126411 - Letts; Edward ; et al.	2010-05-27
Reactor Design For Growing Group Iii Nitride Crystals And Method Of Growing Group Iii Nitride Crystals App 20100095882 - Hashimoto; Tadao ; et al.	2010-04-22
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 App 20100068118 - Hashimoto; Tadao ; et al.	2010-03-18
Method for testing group III-nitride wafers and group III-nitride wafers with test data App 20090315151 - Hashimoto; Tadao ; et al.	2009-12-24
Methods for producing improved crystallinity group III-nitride crystals from initial group III-Nitride seed by ammonothermal Growth App 20090309105 - Letts; Edward ; et al.	2009-12-17
Method For Producing Group Iii-nitride Wafers And Group Iii-nitride Wafers App 20090256240 - HASHIMOTO; Tadao ; et al.	2009-10-15

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