Location History:
- Hino, JP (2012 - 2017)
- Tokyo, JP (2016 - 2020)
Company Filing History:
Years Active: 2012-2020
Title: Michiya Yamada: Innovator in Magnetoresistance Technology
Introduction
Michiya Yamada is a prominent inventor based in Hino, Japan, known for his significant contributions to the field of magnetoresistance technology. With a total of 11 patents to his name, Yamada has made remarkable advancements in non-volatile semiconductor storage devices.
Latest Patents
One of Yamada's latest patents is focused on a magnetoresistance element and a non-volatile semiconductor storage device utilizing this element. The invention presents a magnetoresistance element designed to enable stable switching actions through a current that responds to a unipolar electrical pulse. This element comprises a magnetic tunnel junction portion, which is constructed by stacking a perpendicularly magnetized first magnetic body, an insulation layer, and a second magnetic body that is also perpendicularly magnetized. The second magnetic body features a configuration where a ferromagnetic layer and a rare earth-transition metal alloy layer are sequentially stacked from the insulation layer's side interface. Additionally, a heat assist layer is included to heat the second magnetic body based on the current flowing through the magnetic tunnel junction portion. This heating facilitates the reversal of the magnetization direction of the second magnetic body. The non-volatile semiconductor storage device incorporates the magnetoresistance element, a switching element connected in series, information rewriting means for writing and erasing data, and reading means to retrieve stored information based on the current flowing through the magnetoresistance element.
Career Highlights
Throughout his career, Michiya Yamada has worked with notable companies, including Fuji Electric Co., Ltd. and Iii Holdings 1, LLC. His experience in these organizations has contributed to his expertise in developing innovative technologies in the semiconductor field.
Collaborations
Yamada has collaborated with several professionals in his field, including Yasushi Ogimoto and Yasuchi Ogimoto. These collaborations have likely enhanced his research and development efforts, leading to groundbreaking inventions.
Conclusion
Michiya Yamada's work in magnetoresistance technology has positioned him as a key figure in the advancement of non-volatile semiconductor storage devices. His innovative patents and collaborations reflect his commitment to pushing the boundaries of technology.
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