Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934819 | Apparatus for measuring transverse moment of an electromagnetic field associated with an optical beam | Gianni Coppa, Umberto Rossi | 1990-06-19 |
| 4929264 | Apparatus for reducing optical-fiber attenuation | — | 1990-05-29 |
| 4925472 | Method of reducing optical-fiber attenuation | — | 1990-05-15 |
| 4759625 | Method of and apparatus for the measurement of mode field radius in single-mode fibres | Renato Caponi, Gianni Coppa | 1988-07-26 |
| 4741615 | Method and device for measuring coupling losses in single mode optical fibers | Massimo Calzavara, Gianni Coppa | 1988-05-03 |
| 4703488 | Semiconductor lasers | Marcello Potenza | 1987-10-27 |
| 4664516 | Method of and apparatus for the measurement of the refractive-index profile in monomode optical fibres | Gianni Coppa | 1987-05-12 |
| 4662744 | Method of and apparatus for measuring transverse moments of an electromagnetic field associated with an optical beam | Gianni Coppa | 1987-05-05 |
| 4657388 | Method of and apparatus for measuring the cut-off wavelength of the first higher order mode in optical fibers | Gianni Coppa | 1987-04-14 |
| 4349276 | Method of and system for determining refractive-index profiles of optical fibers | — | 1982-09-14 |
| 4288143 | Method of and apparatus for splicing optical fibers | — | 1981-09-08 |