Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6045751 | Method of manufacturing a permanent magnet on the basis of NdFeB | Franciscus Feijen, Dirk B. De Mooij, Arjan Noordermeer | 2000-04-04 |
| 5062907 | Hard magnetic material and magnet manufactured from such hard magnetic material | Dirk B. De Mooij, Theodora H. Jacobs | 1991-11-05 |
| 5041171 | Hard magnetic material | Reinoud Van Mens, Dirk B. De Mooy | 1991-08-20 |
| 4935074 | Magnetic material comprising iron, boron and a rare earth metal | Dirk B. De Mooij | 1990-06-19 |
| 4897130 | Magnetic material comprising an intermetallic compound of the rare earth transition metal type | — | 1990-01-30 |
| 4889607 | Method of producing the magnetic metallic layers having a low thermal coefficient of expansion | — | 1989-12-26 |
| 4710431 | Magnetooptical recording element and a magnetooptical recording device | Petrus P. J. Van Engelen | 1987-12-01 |
| 4650290 | Magneto-optical device | Pieter Geert Van Engen, Ronald Jongebreur | 1987-03-17 |
| 4582535 | Invar alloy on the basis of iron having a crystal structure of the cubic NaZn.sub.13 type, an article herefrom | — | 1986-04-15 |
| 4529445 | Invar alloy on the basis of iron having a crystal structure of the cubic NaZn.sub.13 type | — | 1985-07-16 |
| 4489050 | Method of preparing a hydrogen-absorbing alloy | Roelof M. Van Essen | 1984-12-18 |
| 4487817 | Electrochemical cell comprising stable hydride-forming material | Johannes J. G. S. A. Willems, Johann R. G. C. M. Van Beek | 1984-12-11 |
| 4283226 | Method of preparing titanium iron-containing material for hydrogen storage | Harmannus Hinderikus Van Mal, Hendrik Anton Van Esveld, Johannes S. van Wieringen | 1981-08-11 |