Nasser H. Karam
40Patents
12h-index
23Co-inventors
81Inventor score
Filing activity: Sep 5, 1995 → Mar 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6255708A | Semiconductor P-I-N detector | Emerging Cross-Sectional Technologies | 464 | Expired |
| US6010937A | Reduction of dislocations in a heteroepitaxial semiconductor structure | Emerging Cross-Sectional Technologies | 446 | Expired |
| US6340788B1 | Multijunction photovoltaic cells and panels using a silicon or silicon-germanium active substrate cell for space and terrestrial applications | Emerging Cross-Sectional Technologies | 199 | Expired |
| US6316715A | Multijunction photovoltaic cell with thin 1st (top) subcell and thick 2nd subcell of same or similar semiconductor material | Emerging Cross-Sectional Technologies | 94 | Expired |
| US6635507B1 | Monolithic bypass-diode and solar-cell string assembly | Emerging Cross-Sectional Technologies | 60 | Expired |
| US7119271B2 | Wide-bandgap, lattice-mismatched window layer for a solar conversion device | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6255580A | Bilayer passivation structure for photovoltaic cells | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6150603A | Bilayer passivation structure for photovoltaic cells | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6380601B1 | Multilayer semiconductor structure with phosphide-passivated germanium substrate | Emerging Cross-Sectional Technologies | 28 | Expired |
| US9099595B2 | Group-IV solar cell structure using group-IV or III-V heterostructures | Emerging Cross-Sectional Technologies | 24 | Active |
| US9997659B2 | Group-IV solar cell structure using group-IV or III-V heterostructures | Emerging Cross-Sectional Technologies | 13 | Active |
| US9947823B2 | Group-IV solar cell structure using group-IV or III-V heterostructures | Emerging Cross-Sectional Technologies | 12 | Active |
| US6586669B2 | Lattice-matched semiconductor materials for use in electronic or optoelectronic devices | Emerging Cross-Sectional Technologies | 11 | Expired |
| US9985160B2 | Group-IV solar cell structure using group-IV or III-V heterostructures | Emerging Cross-Sectional Technologies | 11 | Active |
| US9813022B2 | Dynamically setting a threshold output level for a solar array | Emerging Cross-Sectional Technologies | 8 | Active |
| US7151307B2 | Integrated semiconductor circuits on photo-active Germanium substrates | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9530911B2 | Solar cell structures for improved current generation and collection | Emerging Cross-Sectional Technologies | 3 | Active |
| US10236822B2 | Method and apparatus for calibrating a micro-concentrator solar array | Emerging Cross-Sectional Technologies | 2 | Active |
| US10250182B2 | Micro-concentrator solar array using micro-electromechanical systems (MEMS) based reflectors | Emerging Cross-Sectional Technologies | 2 | Active |
| US10164140B2 | Modular self-tracking micro-concentrator for space power | Emerging Cross-Sectional Technologies | 2 | Active |
| US10439091B2 | Solar cell structures for improved current generation and collection | Emerging Cross-Sectional Technologies | 2 | Active |
| US8993879B2 | Solar cell structure and composition and method for forming the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US10998462B2 | Group-IV solar cell structure using group-IV or III-V heterostructures | Emerging Cross-Sectional Technologies | 1 | Active |
| US10170652B2 | Metamorphic solar cell having improved current generation | Emerging Cross-Sectional Technologies | 1 | Active |
| US6787818B2 | Diffused junction photodetector and fabrication technique | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.