Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5049454 | Monocrystalline MnZn-ferroferrite material having a high content of Zn, and a magnetic head manufactured from said material | Mark Thomas Johnson, Johannes F. M. Cillessen | 1991-09-17 |
| 4961919 | Monocrystalline material having garnet structure | Leonardus A. H. Van Hoof, Dieter Mateika, Horst Laudan, Jan Haisma | 1990-10-09 |
| 4323618 | Single crystal of calcium-gallium germanium garnet and substrate manufactured from such a single crystal and having an epitaxially grown bubble domain film | Johannes P. M. Damen | 1982-04-06 |