Company Filing History:
6 out of 21,376 
2 out of 14,087 
Years Active: 2001-2006
Title: Derk Jan Adelerhof: Innovator in Magnetic Technologies
Introduction
Derk Jan Adelerhof is a prominent inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of magnetic technologies, holding a total of 8 patents. His innovative work has paved the way for advancements in various applications, particularly in magnetic tunnel junction devices and sensors.
Latest Patents
One of his latest patents is a method of manufacturing a magnetic tunnel junction device. This method involves forming a stack that comprises two magnetic layers and a barrier layer extending in between. During the etching process, one of the magnetic layers is structured, ensuring that the other magnetic layer remains unaffected. This innovative approach enhances the efficiency and reliability of the device.
Another notable patent is for a magnetoresistive angle sensor that determines the direction of a magnetic field. This sensor achieves high angular accuracy across a wide range of magnetic field strengths. It features a main sensing element connected to two correction sensing elements, each with distinct reference magnetization axes. This design allows for precise measurements and corrections, making it a valuable tool in various applications.
Career Highlights
Derk Jan Adelerhof has worked with renowned companies such as Koninklijke Philips Corporation N.V. and U.S. Philips Corporation. His experience in these organizations has contributed to his expertise in developing cutting-edge technologies in the magnetic field.
Collaborations
Throughout his career, Adelerhof has collaborated with notable colleagues, including Reinder Coehoorn and Kars-Michiel Hubert Lenssen. These partnerships have fostered innovation and have been instrumental in advancing their shared projects.
Conclusion
Derk Jan Adelerhof is a distinguished inventor whose work in magnetic technologies has led to significant advancements in the field. His patents reflect a commitment to innovation and excellence, making him a key figure in the industry.