Dirk Barthel
9Patents
2h-index
9Co-inventors
40Inventor score
Filing activity: Mar 8, 2002 → Jan 30, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7079723B2 | Optical wavelength cross connect architectures using wavelength routing elements | Electricity | 17 | Expired |
| US7356258B1 | Optical interconnection for traffic between a pair of DWDM rings | Electricity | 12 | Expired |
| US8086101B2 | Multi-city DWDM wavelength link architectures and methods for upgrading | Electricity | 2 | Active |
| US7155084B2 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Electricity | 2 | Expired |
| US7720330B2 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Electricity | 2 | Active |
| US7349594B2 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Electricity | 0 | Active |
| US9223090B2 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Electricity | 0 | Active |
| US8363991B2 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Electricity | 0 | Active |
| US8693821B2 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.