Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12176179 | Method, device and system for reducing off-axial aberration in electron microscopy | Maarten Bischoff, Peter Christiaan Tiemeijer, Stan Johan Pieter Konings | 2024-12-24 |
| 11817290 | Method, device and system for reducing off-axial aberration in electron microscopy | Maarten Bischoff, Peter Christiaan Tiemeijer, Stan Johan Pieter Konings | 2023-11-14 |
| 11587759 | Method, device and system for reducing off-axial aberration in electron microscopy | Maarten Bischoff, Peter Christiaan Tiemeijer, Stan Johan Pieter Konings | 2023-02-21 |
| 6833661 | Deflection unit for a cathode ray tube | Pim Theo Tuyls, Michel Cornelis Josephus Marie Vissenberg, Johannes Maria Maassen, Nicolaas G. Vink, Albertus A. S. Sluyterman +1 more | 2004-12-21 |
| 6630803 | Color display device having quadrupole convergence coils | Albertus A. S. Sluyterman, Wilhelmus Henrica Cornelis Theuws | 2003-10-07 |
| 6608436 | Color display device having quadrupole convergence coils | Albertus A. S. Sluyterman, Nicolaas G. Vink, Leopold C. M. Beirens, Antonius Henricus Van Tiel | 2003-08-19 |
| 6411027 | Color display device having quadrupole convergence coils | Albertus A. S. Sluyterman, Nicolaas G. Vink, Leopold C. M. Beirens | 2002-06-25 |
| 6376981 | Color display device having quadrupole convergence coils | Albertus A. S. Sluyterman, Nicolaas G. Vink, Leopold C. M. Beirens | 2002-04-23 |
| 6140664 | Cathode ray tube comprising a semiconductor cathode | Evert Seevinck | 2000-10-31 |
| 5834887 | Color cathode ray tube comprising an in-line electron gun with extended outer apertures | Lambert J. Stil, Johannes H. Bohlander, Abraham A. Los, Antonius J Pennings | 1998-11-10 |
| 5818157 | Color cathode ray tube having an in-line electron gun with asymmetrical apertures | Lambert J. Stil, Johannes H. Bohlander, Abraham A. Los, Antonius J Pennings | 1998-10-06 |
| 5751099 | Display device and colour cathode ray tube for use in a display device | Willibrordus Van Der Poel | 1998-05-12 |
| 5726539 | Color cathode ray tube display system | Albertus A. S. Sluyterman | 1998-03-10 |
| 5633567 | Display device and cathode ray tube | — | 1997-05-27 |
| 5256934 | Display tube comprising an electron gun with a resistive focusing lens | Jeroen Van Engelshoven, Ger-Wim J. Goorhuis, Gerardus J. A. Hellings, Gerardus A. H. M. Vrijssen | 1993-10-26 |
| 5015925 | Picture display device | Gerardus A. H. M. Vrijssen | 1991-05-14 |
| 4988929 | Picture display device | Gerardus A. H. M. Vrijssen, Willem M. Van Alphen | 1991-01-29 |
| 4961022 | Display tube including a helical focusing lens with a non-rotationally symmetrical lens element | Gerardus J. A. Hellings, Antonius W. F. van der Heijden, Erich E. Himmelbauer, Gerardus A. H. M. Vrijssen, Willem M. Van Alphen +1 more | 1990-10-02 |
| 4945283 | Cathode ray tube having a tubular focus structure | Antonius W. F. van der Heijden, Gerardus J. A. Hellings, Erich E. Himmelbauer, Gerardus A. H. M. Vrijssen | 1990-07-31 |
| 4857797 | Cathode ray tube having a tubular electron gun structure | Gerardus A. H. M. Vrijssen | 1989-08-15 |
| 4827184 | Electron beam device and a focusing lens therefor | Gerardus A. H. M. Vrijssen | 1989-05-02 |