Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7486009 | Electron gun for cathode-ray tube with improved beam shaping region | Christian Galmiche, Philippe Arnaud | 2009-02-03 |
| 7372192 | Cathode for cathode ray tube with improved lifetime | Jean-Michel Roquais | 2008-05-13 |
| 6946781 | Cathode with optimized thermal efficiency | — | 2005-09-20 |
| 6917148 | Oxide cathode for an electron gun, having a denser and thinner emissive zone | Gerard Proudhon | 2005-07-12 |
| 6759799 | Oxide-coated cathode and method for making same | — | 2004-07-06 |
| 6705915 | Method of assembling an emissive cathode for electron gun | Jean-Claude Pruvost, Francois Nizery, Jean-Remy Adamski | 2004-03-16 |
| 5712529 | Vacuum electronic tube with getter support structure | Philippe Gallet | 1998-01-27 |
| 5218443 | Television camera tube with spurious image black-out screen | Gerard Guilhem | 1993-06-08 |
| 5131876 | Image pick-up electron tube with molded signal input plate and fabrication method thereof | Gerard Vieux, Didier Monin | 1992-07-21 |
| 4823045 | Picture taking tube having a bias light device | Bernard Plos | 1989-04-18 |