Giovanni Barbarossa
59Patents
8h-index
52Co-inventors
81Inventor score
Filing activity: Jul 10, 1997 → Apr 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6442311B1 | Optical device having modified transmission characteristics by localized thermal treatment | Physics | 35 | Expired |
| US6867868B1 | Method and apparatus for tunable interferometer utilizing variable air density | Physics | 28 | Expired |
| US6003222A | Manufacture of tapered waveguides | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7046374B1 | Interferometers for optical communications utilizing photo-sensitive materials | Physics | 20 | Expired |
| US6392807B1 | Tunable chromatic dispersion compensator utilizing a virtually imaged phased array and folded light paths | Physics | 19 | Expired |
| US7184623B2 | Apparatus, system and method for an adiabatic coupler for multi-mode fiber-optic transmission systems | Physics | 19 | Expired |
| US7292786B1 | Method and system for a re-configurable optical multiplexer, de-multiplexer and optical add-drop multiplexer | Electricity | 16 | Expired |
| US7257325B1 | Method and system for monitoring multiple optical communications lines | Electricity | 10 | Expired |
| US7186912B2 | Hermetic lid seal by metal pressing for fiber optic module | Physics | 7 | Expired |
| US7333686B1 | System and method for a re-configurable optical channel dropping de-multiplexer | Electricity | 7 | Active |
| US7885546B2 | Method and apparatus for transparent Ethernet multiplexing and demultiplexing | Electricity | 7 | Active |
| US6714705B1 | Tunable chromatic dispersion and dispersion slope compensator utilizing a virtually imaged phased array and a rotating grating | Physics | 6 | Expired |
| US7603006B2 | Optical switch having angle tuning elements and multiple-fiber collimators | Physics | 5 | Active |
| US6539149B1 | Waveguide grating router employing transmissive Echelle gratings | Physics | 5 | Expired |
| US11121696B2 | Electrode defined resonator | Electricity | 5 | Active |
| US11218132B2 | Acoustic resonator | Electricity | 4 | Active |
| US8644705B2 | Method, and system for a re-configurable optical multiplexer, demultiplexer and optical add-drop multiplexer | Electricity | 4 | Active |
| US8081877B2 | Method of determining an optical distance for chromatic dispersion compensation | Electricity | 4 | Active |
| US7894722B2 | Packaged optical device stack | Electricity | 4 | Active |
| US7102821B1 | Apparatus and system for a re-configurable channel dropping de-multiplexer | Electricity | 4 | Expired |
| US8094982B2 | Fiber lens assembly for optical device | Physics | 4 | Active |
| US7454143B1 | Reconfigurable thin film based DWDM devices for reconfigurable add-drop optical systems | Electricity | 3 | Expired |
| US8203691B2 | High extinction ratio liquid crystal optical switch | Physics | 3 | Active |
| US10494713B2 | Method of forming an optically-finished thin diamond film, diamond substrate, or diamond window of high aspect ratio | Emerging Cross-Sectional Technologies | 3 | Active |
| US11652465B2 | Electrode defined resonator | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.