Masaki Uemura

Title: Masaki Uemura: Innovator in Magnetic Recording Technology

Introduction

Masaki Uemura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 3 patents. His innovative work has advanced the capabilities of magnetic disks and recording media.

Latest Patents

Uemura's latest patents include a "Perpendicular Magnetic Recording Disk and Manufacturing Method Thereof." This invention features a magnetic disk designed for perpendicular magnetic recording, which consists of an underlayer, a size-reduction promoting layer, and a magnetic recording layer. The size-reduction promoting layer is composed of an inorganic oxide matrix and nonmagnetic metal crystal grains, strategically placed to reduce the size of magnetic crystal grains in the ferromagnetic layer.

Another notable patent is the "Magnetic Recording Medium." This medium includes a glass substrate with a magnetic layer formed on its principal surface. It boasts a coercive force of 2500 oersted or more in the circumferential direction. The glass substrate's surface is textured to provide circumferential magnetic anisotropy, and it features a magnetic anisotropy inducing layer to achieve an oriented ratio of 1.1 or more.

Career Highlights

Throughout his career, Uemura has worked with notable companies such as Hoya Corporation and Hoya Magnetics Singapore Pte. Ltd. His experience in these organizations has allowed him to refine his expertise in magnetic recording technologies.

Collaborations

Uemura has collaborated with esteemed colleagues, including Teiichiro Umezawa and Hisao Kawai. Their joint efforts have contributed to advancements in the field of magnetic recording.

Conclusion

Masaki Uemura's innovative contributions to magnetic recording technology have established him as a key figure in the industry. His patents reflect a commitment to enhancing the performance and efficiency of magnetic recording media.