Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9702958 | Magnetic sensors | Robert Hendrikus Margaretha van Veldhoven, Olaf Wunnicke, Hans Paul Tuinhout | 2017-07-11 |
| 9696390 | Differential lateral magnetic field sensor system with offset cancelling and implemented using silicon-on-insulator technology | Olaf Wunnicke, Klaus Reimann | 2017-07-04 |
| 8981442 | Semiconductor magnetic field sensors | Anco Heringa, Olaf Wunnicke, Jan W. Slotboom, Robert Hendrikus Margaretha van Veldhoven, Jan Claes | 2015-03-17 |
| 8874394 | Simple and stable reference for IR-drop and supply noise measurements | Hendricus Joseph Maria Veendrick, Marcel Pelgrom | 2014-10-28 |
| 8680850 | Magnetic field angular sensor and sensing method | Robert Hendrikus Margaretha van Veldhoven | 2014-03-25 |
| 8669761 | Stray-field sensor circuit and method | Robert Hendrikus Margaretha van Veldhoven | 2014-03-11 |
| 8659285 | Current sensor and current sensing method | — | 2014-02-25 |
| 8657191 | Magnetic detection of back-side layer | Robertus Adrianus Maria Wolters | 2014-02-25 |
| 8659104 | Field-effect magnetic sensor | Gilberto Curatola, Anco Heringa | 2014-02-25 |
| 8648591 | Magnetic field angular sensor and sensing method | Robert Hendrikus Margaretha van Veldhoven | 2014-02-11 |
| 8203368 | DLL for period jitter measurement | Marcel Pelgrom, Hendricus Joseph Maria Veendrick | 2012-06-19 |
| 8022752 | Voltage reference circuit for low supply voltages | Marcel Pelgrom, Hendricus Joseph Maria Veendrick | 2011-09-20 |
| 6424489 | Magnetic head having a wear-resistant layer, and method of manufacturing such a magnetic head | Franciscus W. A. Dirne, Arnold Broese Van Groenou, Leo-Franciscus M. Van Oorschot, Peter Lasinski, Mathijs De Jongh +1 more | 2002-07-23 |
| 5832591 | Method of manufacturing a magnetic head unit | Gerardus Dohmen, Johannes P. Haisma | 1998-11-10 |
| 5513057 | Magnetic head with wear resistant layer having alignment mark, and magnetic head unit incorporating same | Jacobus J. M. Ruigrok, Mathijs De Jongh, Arnold Broese Van Groenou | 1996-04-30 |
| 5241439 | Combined read/write thin film magnetic head with two pairs of flux guides | P. Michalek, Jacobus J. M. Ruigrok, Gerardus H. J. Somers | 1993-08-31 |
| 5217819 | Method of manufacturing a thin-film magnetic head and magnetic head | James R. Peterson, Johannes F. De Proost, Gerardus H. J. Somers, Franciscus A. Pronk, Helmut J. Gassen +2 more | 1993-06-08 |
| 5153798 | Magnetic head including a core having a non-magnetic gap | Jacobus J. M. Ruigrok | 1992-10-06 |
| 5097243 | Thin-film transformer utilizing superconductive components | Jacobus J. M. Ruigrok | 1992-03-17 |
| 4996621 | Superconducting device for reading information from a magnetic recording medium | Jacobus J. M. Ruigrok, Ulrich E. Enz, Willem F. Druyvesteyn | 1991-02-26 |
| 4939609 | Vertical recording head with thin film pole on non-magnetic block | Steven Broeils Luitjens | 1990-07-03 |
| 4937227 | Thin-film magnetic head including an inductive transducing element | Ulrich E. Enz, Jacobus J. M. Ruigrok | 1990-06-26 |
| 4927804 | Thin-film transformer and magnetic head provided with such a transformer | Jacobus J. M. Ruigrok | 1990-05-22 |
| 4907115 | Super conducting thin-film magnetic head including a magnetoresistive element | Jacobus J. M. Ruigrok | 1990-03-06 |
| 4809111 | Magnetic head for use in vertical recording | — | 1989-02-28 |