Multi-junction solar cell
US-12507487-B2 · Dec 23, 2025 · US
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Keller Gregor patents
Keller Gregor is listed as an inventor on 28 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Keller Gregor |
| Total patents | 28 |
| First publication | Feb 21, 2019 |
| Latest publication | Dec 23, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Vapor phase epitaxy method
US-12444604-B2 · Oct 14, 2025 · US
Vapor phase epitaxy method
US-11955334-B2 · Apr 9, 2024 · US
Vapor phase epitaxy method
US-11859310-B2 · Jan 2, 2024 · US
Stacked monolithic multijunction solar cell
US-11728453-B2 · Aug 15, 2023 · US
Stacked high barrier III-V power semiconductor diode
US-11715766-B2 · Aug 1, 2023 · US
Stacked, high-blocking InGaAs semiconductor power diode
US-11699722-B2 · Jul 11, 2023 · US
Vapor phase epitaxy method
US-11598022-B2 · Mar 7, 2023 · US
Vertical high-blocking III-V bipolar transistor
US-11557665-B2 · Jan 17, 2023 · US
Stacked, high-blocking ingaas semiconductor power diode
US-2022140088-A1 · May 5, 2022 · US
Recent patents
Latest publications not already listed above.
Stacked high barrier iii-v power semiconductor diode
US-2022115501-A1 · Apr 14, 2022 · US
Vapor phase epitaxy method
US-11280025-B2 · Mar 22, 2022 · US
Stacked, high-blocking InGaAs semiconductor power diode
US-11257909-B2 · Feb 22, 2022 · US
Stacked high barrier III-V power semiconductor diode
US-11245012-B2 · Feb 8, 2022 · US
Stacked monolithic multijunction solar cell
US-2022013676-A1 · Jan 13, 2022 · US
Vertical high-blocking iii-v bipolar transistor
US-2022005942-A1 · Jan 6, 2022 · US
Vapor phase epitaxy method
US-2021193464-A1 · Jun 24, 2021 · US
Vapor phase epitaxy method
US-2021189592-A1 · Jun 24, 2021 · US
Vapor phase epitaxy method
US-2021193463-A1 · Jun 24, 2021 · US
Vapor phase epitaxy method
US-2021193465-A1 · Jun 24, 2021 · US
Vapor phase epitaxy method
US-2021189595-A1 · Jun 24, 2021 · US
Multi-junction solar cell
US-2020395495-A1 · Dec 17, 2020 · US
Stacked, high-blocking ingaas semiconductor power diode
US-2020350407-A1 · Nov 5, 2020 · US
Stacked high barrier iii-v power semiconductor diode
US-2020350408-A1 · Nov 5, 2020 · US
Optical voltage source
US-10600929-B2 · Mar 24, 2020 · US
Receiver unit
US-10388819-B2 · Aug 20, 2019 · US
Optical voltage source
US-2019189825-A1 · Jun 20, 2019 · US
Receiver unit
US-2019058074-A1 · Feb 21, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Azur Space Solar Power Gmbh | 28 |
| 3 5 Power Electronics Gmbh | 4 |
| Azur Space | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10D62/824 | 10 |
| H10D8/00 | 10 |
| H10P14/24 | 10 |
| H10P14/3444 | 10 |
| H10P14/3442 | 10 |