Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731780 | Optical recording element | Martinus Maria Sens, Rene Dufour | 1988-03-15 |
| 4675227 | Information recording element | Marinus R. J. de Bont | 1987-06-23 |
| 4318112 | Optical recording disc | Marinus R. J. de Bont, Adriaan W. De Poorter | 1982-03-02 |
| 4298975 | Optical recording medium and method of optically recording information thereon | Jan van der Veen, Marinus R. J. de Bont | 1981-11-03 |
| 4230939 | Information-recording element having a dye-containing auxiliary layer | Marinus R. J. de Bont, Cornelis J. Schoot, Pieter Zalm | 1980-10-28 |