Hiroaki Doshita

Title: Hiroaki Doshita: Innovator in Magnetic Recording Technology

Introduction

Hiroaki Doshita is a notable inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of magnetic recording technology. His innovative approach has led to the development of a unique recording method and device that utilizes epsilon iron oxide particles.

Latest Patents

Doshita holds one patent for a recording method, recording device, reproduction method, reproduction device, and high-speed response element. This invention provides a recording method and device that allows for easy recording on a magnetic recording medium using epsilon iron oxide particles, which have a high coercive force. The recording device applies an external magnetic field that inclines the magnetization of the epsilon iron oxide particles. It also irradiates the particle dispersion element with light to excite the magnetization. This innovative approach enables the inversion of magnetization that cannot be achieved solely by the external magnetic field, showcasing a synergetic effect between the inclination of the magnetization and light excitation.

Career Highlights

Throughout his career, Doshita has worked with prestigious institutions, including the University of Tokyo and Osaka University. His work has been instrumental in advancing the understanding and application of magnetic materials in recording technologies.

Collaborations

Doshita has collaborated with esteemed colleagues such as Shin-ichi Ohkoshi and Makoto Nakajima. Their combined expertise has contributed to the success of his innovative projects.

Conclusion

Hiroaki Doshita's contributions to magnetic recording technology highlight his role as a pioneering inventor. His innovative methods and devices continue to influence the field, demonstrating the importance of research and collaboration in technological advancements.