Inventor
KELLER GREGOR
DE14 patents
Patents
14 patentsUS11257909B2Feb 22, 2022
Stacked, high-blocking InGaAs semiconductor power diode
AZUR SPACE SOLAR POWER GMBH2 citations71
US11699722B2Jul 11, 2023
Stacked, high-blocking InGaAs semiconductor power diode
AZUR SPACE SOLAR POWER GMBH0 citations61
US11715766B2Aug 1, 2023
Stacked high barrier III-V power semiconductor diode
AZUR SPACE SOLAR POWER GMBH0 citations60
US11280025B2Mar 22, 2022
Vapor phase epitaxy method
AZUR SPACE SOLAR POWER GMBH0 citations60
US11245012B2Feb 8, 2022
Stacked high barrier III-V power semiconductor diode
AZUR SPACE SOLAR POWER GMBH0 citations60
US11859310B2Jan 2, 2024
Vapor phase epitaxy method
AZUR SPACE SOLAR POWER GMBH0 citations50
US11598022B2Mar 7, 2023
Vapor phase epitaxy method
AZUR SPACE SOLAR POWER GMBH0 citations50
US11557665B2Jan 17, 2023
Vertical high-blocking III-V bipolar transistor
AZUR SPACE SOLAR POWER GMBH0 citations50
US12444604B2Oct 14, 2025
Vapor phase epitaxy method
AZUR SPACE SOLAR POWER GMBH0 citations48
US11728453B2Aug 15, 2023
Stacked monolithic multijunction solar cell
AZUR SPACE SOLAR POWER GMBH0 citations48
US12507487B2Dec 23, 2025
Multi-junction solar cell
AZUR SPACE SOLAR POWER GMBH0 citations47
US11955334B2Apr 9, 2024
Vapor phase epitaxy method
AZUR SPACE SOLAR POWER GMBH0 citations47
US10600929B2Mar 24, 2020
Optical voltage source
AZUR SPACE SOLAR POWER GMBH0 citations40
US10388819B2Aug 20, 2019
Receiver unit
AZUR SPACE SOLAR POWER GMBH0 citations40