John Claassen Roberts — 23 Patents at Nitronex

John Claassen Roberts has been granted 23 US patents while listed as an inventor at Nitronex. The first was granted in 1997 and the most recent in May 2021. John Claassen Roberts ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list John Claassen Roberts in Hillsborough, NC, US.

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11018220	Device isolation design rules for HAST improvement	Allen W. Hanson, Wayne Mack Struble	2021-05-25	$22,595,000
10211294	III-nitride semiconductor structures comprising low atomic mass species	James W. Cook	2019-02-19	$4,146,000
10096701	Gallium nitride materials and methods associated with the same	Edwin L. Piner, Pradeep Rajagopal	2018-10-09
9799520	Parasitic channel mitigation via back side implantation	—	2017-10-24	$28,861,000
9773898	III-nitride semiconductor structures comprising spatially patterned implanted species	Kevin J. Linthicum, Allen W. Hanson	2017-09-26	$31,372,000
9704705	Parasitic channel mitigation via reaction with active species	James W. Cook	2017-07-11	$34,222,000
9673281	Parasitic channel mitigation using rare-earth oxide and/or rare-earth nitride diffusion barrier regions	Kevin J. Linthicum	2017-06-06	$33,227,000
9627473	Parasitic channel mitigation in III-nitride material semiconductor structures	Kevin J. Linthicum, Allen W. Hanson, James W. Cook	2017-04-18	$26,551,000
8748298	Gallium nitride materials and methods associated with the same	Edwin L. Piner, Pradeep Rajagopal	2014-06-10	$3,845,000
8368117	III-nitride materials including low dislocation densities and methods associated with the same	Edwin L. Piner, Pradeep Rajagopal	2013-02-05	$2,058,000
8343824	Gallium nitride material processing and related device structures	Edwin L. Piner, Jerry W. Johnson	2013-01-01
7994540	Gallium nitride material transistors and methods associated with the same	Walter H. Nagy, Ricardo M. Borges, Jeffrey D. Brown, Apurva D. Chaudhari, James W. Cook +8 more	2011-08-09	$3,044,000
7791106	Gallium nitride material structures including substrates and methods associated with the same	Edwin L. Piner, Pradeep Rajagopal, Kevin J. Linthicum	2010-09-07
7687827	III-nitride materials including low dislocation densities and methods associated with the same	Edwin L. Piner, Pradeep Rajagopal	2010-03-30
7569871	Gallium nitride material transistors and methods associated with the same	Walter H. Nagy, Jerry W. Johnson, Edwin L. Piner, Pradeep Rajagopal, Sameer Singhal +8 more	2009-08-04
7365374	Gallium nitride material structures including substrates and methods associated with the same	Edwin L. Piner, Pradeep Rajagopal, Kevin J. Linthicum	2008-04-29
7352016	Gallium nitride material transistors and methods associated with the same	Walter H. Nagy, Ricardo M. Borges, Jeffrey D. Brown, Apurva D. Chaudhari, James W. Cook +8 more	2008-04-01
7352015	Gallium nitride materials and methods associated with the same	Edwin L. Piner, Pradeep Rajagopal	2008-04-01
7339205	Gallium nitride materials and methods associated with the same	Edwin L. Piner, Pradeep Rajagopal	2008-03-04
7247889	III-nitride material structures including silicon substrates	Allen W. Hanson, Edwin L. Piner, Pradeep Rajagopal	2007-07-24
7135720	Gallium nitride material transistors and methods associated with the same	Walter H. Nagy, Ricardo M. Borges, Jeffrey D. Brown, Apurva D. Chaudhari, James W. Cook +8 more	2006-11-14
5851905	Methods of forming indium gallium nitride or aluminum indium gallium nitride using controlled hydrogen gas flows	Forrest Gregg McIntosh, Salah M. Bedair, Nadia Ahmed El-Masry	1998-12-22
5684309	Stacked quantum well aluminum indium gallium nitride light emitting diodes	Forrest Gregg McIntosh, Salah M. Bedair, Nadia Ahmed El-Masry	1997-11-04

John Claassen Roberts — 23 Patents

Issued Patents All Time

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