Location History:
- Hiki-gun, JP (1999 - 2002)
- Sendai, JP (2007)
- Kokubunji, JP (2010 - 2012)
- Tokyo, JP (2015)
Company Filing History:
8 out of 42,496 
1 out of 984 
Years Active: 1999-2015
Title: Masahiko Ichimura: Innovator in Magnetic Detection Technology
Introduction
Masahiko Ichimura is a distinguished inventor based in Kokubunji, Japan, known for his groundbreaking contributions to the field of magnetic detection technology. With a total of eight patents to his name, he has made significant advancements that enhance the capabilities of magnetic sensors and devices.
Latest Patents
Among his latest patents, Ichimura developed a magnetic detection device designed to increase the output from a magnetoresistive element without relying on special magnetic materials. This device features a magnetoresistive element with a ferromagnetic reference layer that has a fixed magnetization direction, connected to a spin wave induction layer that injects electrons into the ferromagnetic reference layer. This innovation utilizes a spin electromotive force that is internally generated, enabling improved performance.
Another notable invention is his magnetic sensor, which reduces thermal fluctuations and facilitates high-sensitive signal detection through a spin Hall device structured with just one magnetic layer. This magnetic sensor includes a stacked film composed of a nonmagnetic spin Hall layer, a nonmagnetic insulator layer, and a magnetic layer. Its design allows for the detection of the magnetization direction of the magnetic layer, resulting in precise measurements based on the voltage polarity across the electrodes.
Career Highlights
Ichimura has held prominent positions in notable organizations such as Hitachi, Ltd. and Tohoku University, where he has contributed to pioneering research and development in his field. Throughout his career, he has focused on reinforcing the efficiency and sensitivity of magnetic devices, securing his reputation as a leading innovator.
Collaborations
Throughout his career, Ichimura has collaborated with talented individuals in the field, including coworkers Toshiyuki Onogi and Tomihiro Hashizume. These collaborations have played a crucial role in refining his inventions and expanding the horizons of magnetic detection technology.
Conclusion
Masahiko Ichimura's contributions to the realm of magnetic detection and sensor technology illustrate his commitment to innovation. His eight patents reflect a deep understanding of complex materials and their applications in modern technology. As he continues to advance the field, Ichimura stands as an inspiring figure in the world of inventors.