Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310434 | Picture display device having an improved bandwidth | Tom Van Zutphen | 2001-10-30 |
| 4904897 | Oxide cathode | Johannes van Esdonk, Jan Hasker | 1990-02-27 |
| 4900285 | Method of manufacturing a dispenser cathode; dispenser cathode manufactured according to the method, and device incorporating such a cathode | Johannes van Esdonk | 1990-02-13 |
| 4806818 | Method of providing electrical contact to a semiconductor cathode, cathode so produced, and electron tube provided with such cathode | Johannes van Esdonk, Petrus J. M. Peters | 1989-02-21 |
| 4737215 | Method of manufacturing a bundle of optical fiber parts | Adrianus P. Severijns | 1988-04-12 |
| 4625142 | Methods of manufacturing a dispenser cathode and dispenser cathode manufactured according to the method | Johannes van Esdonk | 1986-11-25 |
| RE30513 | Color splitting prism assembly | Adrianus A. J. Bleukens, deceased, by Friedrich J. de Haan, administrator, Petrus J. M. Peters | 1981-02-10 |