John Spann
5Patents
2h-index
6Co-inventors
44Inventor score
Filing activity: Sep 10, 1986 → Jul 19, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9117966B2 | Inverted metamorphic multijunction solar cell with two metamorphic layers and homojunction top cell | Emerging Cross-Sectional Technologies | 4 | Active |
| US4779869A | Racket frame with protective strip | Human Necessities | 3 | Expired |
| US9356176B2 | Inverted metamorphic multijunction solar cell with metamorphic layers | Emerging Cross-Sectional Technologies | 0 | Active |
| US10374112B2 | Inverted metamorphic multijunction solar cell including a metamorphic layer | Emerging Cross-Sectional Technologies | 0 | Active |
| US10381505B2 | Inverted metamorphic multijunction solar cells including metamorphic layers | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.