Inventor
KOEHLER ANDREW D
US24 patents
⚠️ This page may combine multiple inventors who share the name “KOEHLER ANDREW D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
US NAVY
9 patentsUS9960266B2May 1, 2018
Damage-free plasma-enhanced CVD passivation of AlGaN/GaN high electron mobility transistors
US NAVY3 citations73
US9590081B2Mar 7, 2017
Method of making a graphene base transistor with reduced collector area
US NAVY2 citations73
US9466684B2Oct 11, 2016
Transistor with diamond gate
US NAVY4 citations72
US9490356B2Nov 8, 2016
Growth of high-performance III-nitride transistor passivation layer for GaN electronics
US NAVY2 citations63
US10312175B1Jun 4, 2019
Diamond air bridge for thermal management of high power devices
US NAVY1 citations60
US10158009B2Dec 18, 2018
Method of making a graphene base transistor with reduced collector area
US NAVY0 citations52
US10002958B2Jun 19, 2018
Diamond on III-nitride device
US NAVY0 citations51
US9991354B2Jun 5, 2018
Metal nitride alloy contact for semiconductor
US NAVY0 citations51
US10229839B2Mar 12, 2019
Transition metal-bearing capping film for group III-nitride devices
US NAVY0 citations50
US GOV SEC NAVY
9 patentsUS11996840B1May 28, 2024
Light controlled switch module
US GOV SEC NAVY2 citations70
US12568716B2Mar 3, 2026
Wafer-scale separation and transfer of GaN material
US GOV SEC NAVY0 citations62
US11342420B2May 24, 2022
Heterojunction devices and methods for fabricating the same
US GOV SEC NAVY0 citations62
US10777644B2Sep 15, 2020
Heterojunction devices and methods for fabricating the same
US GOV SEC NAVY1 citations62
US12376388B2Jul 29, 2025
Low resistance photoconductive semiconductor switch (PCSS)
US GOV SEC NAVY0 citations60
US11634834B2Apr 25, 2023
Diamond on nanopatterned substrate
US GOV SEC NAVY0 citations57
US11131039B2Sep 28, 2021
Diamond on nanopatterned substrate
US GOV SEC NAVY0 citations57
US12439653B2Oct 7, 2025
Multi-layer hybrid edge termination for III-N power devices
US GOV SEC NAVY0 citations53
US10424643B2Sep 24, 2019
Diamond air bridge for thermal management of high power devices
US GOV SEC NAVY0 citations50
KUB FRANCIS J
4 patentsUS9006791B2Apr 14, 2015
III-nitride P-channel field effect transistor with hole carriers in the channel
KUB FRANCIS J12 citations92
US9236432B2Jan 12, 2016
Graphene base transistor with reduced collector area
KUB FRANCIS J6 citations84
US9196614B2Nov 24, 2015
Inverted III-nitride P-channel field effect transistor with hole carriers in the channel
KUB FRANCIS J7 citations84
US9275998B2Mar 1, 2016
Inverted P-channel III-nitride field effect tansistor with Hole Carriers in the channel
KUB FRANCIS J2 citations62