Patents
US 12027639 B2: Multijunction solar cells
- Granted
- 2024-07-02
- Filed
- 2022-02-08 application 17667194
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A multijunction solar cell including an upper first solar subcell having a first band gap and positioned for receiving an incoming light beam; and a second solar subcell disposed below and adjacent to and lattice matched with said upper first solar subcell, and having a second band gap smaller than said first band gap; wherein at least one of the solar subcells has a graded band gap throughout the thickness of at least a portion of its emitter layer and base layer.
Source: PVGPATDIS, file of 2026-04-10 (ipg240702.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| SolAero Technologies Corp 189 patents | US company or organization | Albuquerque, NM | SOLAERO TECHNOLOGIES CORP State business registration EXACT high confidence: identical full name and state SOLAERO TECHNOLOGIES, INC. Federal lobbying client FUZZY medium confidence: same name (legal endings aside) and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| John Hart | Albuquerque, NM | 19 | PVGPATDIS, file of 2026-04-10 | |
| Daniel Derkacs | Albuquerque, NM | 84 | PVGPATDIS, file of 2026-04-10 | |
| Zachary Bittner | Albuquerque, NM | 18 | PVGPATDIS, file of 2026-04-10 | |
| Andrew Espenlaub | Albuquerque, NM | 14 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H10F | Inorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation | H10F10/161 | PVGPATDIS, file of 2026-04-10 |
| C12P | Fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture | C12P19/56 | PVGPATDIS, file of 2026-04-10 |
| Y02E | Reduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution | Y02E10/544 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2022-12-22 | Assignment Assignment of assignor's interest | ESPENLAUB, ANDREW signed 2021-01-07 HART, JOHN signed 2021-01-08 BITTNER, ZACHARY signed 2021-01-11 DERKACS, DANIEL signed 2021-01-11 | SOLAERO TECHNOLOGIES CORP. ALBUQUERQUE, NM | 62209/83 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.