Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4719148 | Magnetic head having a core of Mn-Zn-Co ferrous ferrite | Leonardus A. H. Van Hoof | 1988-01-12 |
| 4594628 | Magnetic head having cobalt-containing zinc-ferrous ferrite core | Peter G. T. Boonen, Ulrich E. Enz, Leonardus A. H. Van Hoof | 1986-06-10 |
| 4568993 | Magnetic head | Piet F. Bongers, Johannes P. M. Damen, Eelco G. Visser | 1986-02-04 |