Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494108 | Magnetostrictive stress sensor | Pieter Jan Van Der Zaag | 2002-12-17 |
| 5933298 | System comprising a magnetic head, measuring device and a current device | Lambertus Postma, Jacobus J. M. Ruigrok | 1999-08-03 |
| 5764453 | Method of manufacturing a thin-film magnetic head, and magnetic head manufactured by means of said method | Lambertus Postma, Arie J. Van Straalen | 1998-06-09 |
| 5680029 | Apparatus for recharging a battery | Wilhelmus J. M. Smits, Eduard E. A. Gillissen, Johann R. G. C. M. Van Beek | 1997-10-21 |
| 5531016 | Method of manufacturing a thin-film magnetic head | Lambertus Postma, Henricus G. R. Maas, Jan Haisma, Jacobus J. M. Ruigrok | 1996-07-02 |
| 5483735 | Method of manufacturing a thin-film magnetic head | Lambertus Postma, Jan Haisma, Jacobus J. M. Ruigrok | 1996-01-16 |
| 5473490 | Thin-film magnetic head having an electrically conducting plating base on a magnetic carrier | Antonius B. Voermans | 1995-12-05 |
| 5291363 | Magnetic head provided with a flux guide and a magnetoresistive element | — | 1994-03-01 |
| 5284572 | Method of producing a thin-film magnetic head utilizing electroplating | Antonius B. Voermans | 1994-02-08 |
| 5247412 | Thin-film magnetic head | — | 1993-09-21 |
| 5241439 | Combined read/write thin film magnetic head with two pairs of flux guides | P. Michalek, Victor Zieren, Jacobus J. M. Ruigrok | 1993-08-31 |
| 5217819 | Method of manufacturing a thin-film magnetic head and magnetic head | James R. Peterson, Johannes F. De Proost, Franciscus A. Pronk, Victor Zieren, Helmut J. Gassen +2 more | 1993-06-08 |
| 5144502 | Cassette recorder magnetic read head arrangement for autoreverse | — | 1992-09-01 |
| 5115364 | Thin-film magnetic head having two magneto-resistant elements | — | 1992-05-19 |
| 5097371 | Thin-film magnetic head | — | 1992-03-17 |
| 4814918 | Multitrack magnetic head having magnetically coupled transducer elements | — | 1989-03-21 |
| 4617600 | Magnetic head having a thin strip of magnetoresistive material as a reading element | — | 1986-10-14 |
| 4320428 | Multitrack thin-film magnetic head with stacked electric leads | — | 1982-03-16 |