Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5261845 | Scandate cathode | Jan Hasker, Josef J. van Lith | 1993-11-16 |
| 5240748 | Method of manufacturing a display window for a display device | Marcel Niestadt | 1993-08-31 |
| 5064397 | Method of manufacturing scandate cathode with scandium oxide film | Jan Hasker, Jacobus E. Crombeen, Petrus Adrianus Maria Van Dorst, Pieter Hokkeling, Josef J. van Lith | 1991-11-12 |
| 4904897 | Oxide cathode | Jan Hasker, Jacobus Stoffels | 1990-02-27 |
| 4900285 | Method of manufacturing a dispenser cathode; dispenser cathode manufactured according to the method, and device incorporating such a cathode | Jacobus Stoffels | 1990-02-13 |
| 4898449 | Connector for the detachable connection of light conducting fibres | Laurentius C. J. Vroomen, Giok D. Khoe, Antonius H. M. Swemmers | 1990-02-06 |
| 4873052 | Method of manufacturing a scandate dispenser cathode and scandate dispenser cathode manufactured according to the method | Jan Hasker, Wim Kwestroo | 1989-10-10 |
| 4854956 | Method of manufacturing optical fibres having a core and a cladding of glass applying the rod-in-tube technique | Rene A. M. Pluijms, Emmanuel Papanikolau, Leendert B. Jongeling | 1989-08-08 |
| 4806818 | Method of providing electrical contact to a semiconductor cathode, cathode so produced, and electron tube provided with such cathode | Jacobus Stoffels, Petrus J. M. Peters | 1989-02-21 |
| 4749119 | Vacuum-tight thermocompression seal involving the formation of an oxide skin | Johannes T. Klomp, Michael D. Martin | 1988-06-07 |
| 4736135 | Electron emission device provided with a reservoir containing material reducing the electron work function | Jan Zwier, Johannes H. A. Vasterink | 1988-04-05 |
| 4730196 | Ink-jet printer | Michael Doring, Jan Roulaux | 1988-03-08 |
| 4671777 | Method of manufacturing a dispenser cathode and the use of the method | Henricus A. M. Van Hal, Josef J. van Lith | 1987-06-09 |
| 4645966 | Display tube with fluid cooled window | — | 1987-02-24 |
| 4625142 | Methods of manufacturing a dispenser cathode and dispenser cathode manufactured according to the method | Jacobus Stoffels | 1986-11-25 |
| 4594220 | Method of manufacturing a scandate dispenser cathode and dispenser cathode manufactured by means of the method | Jan Hasker, Pieter Hokkeling, Josef J. van Lith | 1986-06-10 |
| 4207656 | Color television display tube and method of manufacturing same | Petrus F. A. Haans | 1980-06-17 |