Location History:
- Kanagawa, JP (1987 - 1988)
- Kanagawa-ken, JP (2003 - 2006)
- Tokyo, JP (2004 - 2006)
- Yokohama, JP (1981 - 2009)
Company Filing History:
22 out of 52,711 
3 out of 2,916 
Years Active: 1981-2009
Title: Masayuki Sagoi: Innovator in Magnetoresistive Technology
Introduction: Masayuki Sagoi is a prominent inventor based in Yokohama, Japan, renowned for his significant contributions to the field of magnetoresistive technology. With a remarkable portfolio of 25 patents, his work has greatly influenced advancements in magnetic memory devices.
Latest Patents: Among his latest innovations are two related patents that focus on magnetoresistive elements. These patents describe a magnetoresistive element characterized by a ferromagnetic double tunnel junction, which features a complex stacked structure consisting of a first antiferromagnetic layer, a first ferromagnetic layer, a first dielectric layer, a second ferromagnetic layer, a second dielectric layer, a third ferromagnetic layer, and a second antiferromagnetic layer. Notably, the second ferromagnetic layer, functioning as a free layer, is composed of a Co-based alloy or a three-layered film comprising a Co-based alloy, a Ni-Fe alloy, and another Co-based alloy. This configuration allows for a tunnel current to flow between the first and the third ferromagnetic layers, enabling advanced applications in magnetic memory devices.
Career Highlights: Masayuki Sagoi has had a distinguished career, having contributed to major companies including Kabushiki Kaisha Toshiba and Tokyo Shibaura Denki Kabushiki Kaisha. Through his work, he has made significant impacts on the technology landscape, particularly in the realm of magnetic components and memory technologies.
Collaborations: Throughout his career, Sagoi has worked alongside esteemed colleagues, including Kentaro Nakajima and Yoshiaki Saito. Their collaborations have played a vital role in the development of cutting-edge technologies and have furthered the state of the art in magnetoresistive elements.
Conclusion: With a robust record of innovation and collaboration, Masayuki Sagoi remains a key figure in the field of magnetoresistive technology. His patents continue to influence the design and functionality of modern magnetic memory devices, solidifying his legacy as a notable inventor in this dynamic technological landscape.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.