Inventor
COFFIE ROBERT
US22 patents
⚠️ This page may combine multiple inventors who share the name “COFFIE ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRANSPHORM INC
12 patentsUS8692294B2Apr 8, 2014
Semiconductor devices with field plates
TRANSPHORM INC43 citations98
US7851825B2Dec 14, 2010
Insulated gate e-mode transistors
TRANSPHORM INC124 citations98
US9941399B2Apr 10, 2018
Enhancement mode III-N HEMTs
TRANSPHORM INC13 citations92
US9831315B2Nov 28, 2017
Semiconductor devices with field plates
TRANSPHORM INC14 citations92
US9437708B2Sep 6, 2016
Enhancement mode III-N HEMTs
TRANSPHORM INC16 citations92
US9373699B2Jun 21, 2016
Semiconductor devices with field plates
TRANSPHORM INC16 citations92
US9196716B2Nov 24, 2015
Enhancement mode III-N HEMTs
TRANSPHORM INC18 citations92
US9171836B2Oct 27, 2015
Method of forming electronic components with increased reliability
TRANSPHORM INC15 citations92
US9111961B2Aug 18, 2015
Semiconductor devices with field plates
TRANSPHORM INC15 citations92
US8860495B2Oct 14, 2014
Method of forming electronic components with increased reliability
TRANSPHORM INC17 citations92
US8841702B2Sep 23, 2014
Enhancement mode III-N HEMTs
TRANSPHORM INC25 citations92
US9293458B2Mar 22, 2016
Semiconductor electronic components and circuits
TRANSPHORM INC12 citations83
NORTHROP GRUMMAN SPACE & MSN
3 patentsUS7632726B2Dec 15, 2009
Method for fabricating a nitride FET including passivation layers
NORTHROP GRUMMAN SPACE & MSN10 citations82
US7750370B2Jul 6, 2010
High electron mobility transistor having self-aligned miniature field mitigating plate on a protective dielectric layer
NORTHROP GRUMMAN SPACE & MSN6 citations69
US7608865B1Oct 27, 2009
Club extension to a T-gate high electron mobility transistor
NORTHROP GRUMMAN SPACE & MSN1 citations49
NORTHROP GRUMMAN SYSTEMS CORP
2 patentsUS7800132B2Sep 21, 2010
High electron mobility transistor semiconductor device having field mitigating plate and fabrication method thereof
NORTHROP GRUMMAN SYSTEMS CORP14 citations82
US7897446B2Mar 1, 2011
Method of forming a high electron mobility transistor hemt, utilizing self-aligned miniature field mitigating plate and protective dielectric layer
NORTHROP GRUMMAN SYSTEMS CORP12 citations79