Birgit Enkisch
8Patents
3h-index
12Co-inventors
46Inventor score
Filing activity: Feb 12, 2003 → Sep 28, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7145720B2 | Objective with fluoride crystal lenses | Emerging Cross-Sectional Technologies | 62 | Expired |
| US7411656B2 | Optically polarizing retardation arrangement, and a microlithography projection exposure machine | Physics | 16 | Expired |
| US7053988B2 | Optically polarizing retardation arrangement, and microlithography projection exposure machine | Physics | 7 | Expired |
| US7672044B2 | Lens made of a crystalline material | Physics | 2 | Active |
| US7180667B2 | Objective with fluoride crystal lenses | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7126765B2 | Objective with fluoride crystal lenses | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7292388B2 | Lens made of a crystalline material | Physics | 0 | Expired |
| US7382536B2 | Objective with fluoride crystal lenses | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.