Noriyuki Noda

Title: Noriyuki Noda: Innovator in Permanent Magnet Technology

Introduction

Noriyuki Noda is a prominent inventor based in Kumagaya, Japan. He has made significant contributions to the field of permanent magnet technology, holding a total of 2 patents. His work focuses on the development of advanced materials that enhance the performance of various applications, particularly in motors.

Latest Patents

Noda's latest patents include a "Cylindrical Permanent Magnet and Method of Manufacturing" and a "Ferrite Magnet and Method of Producing Same." The cylindrical permanent magnet is designed for use as the rotor magnet of a stepping motor. It features a sintered composition expressed by MO.nFe.sub.2 O.sub.3, where M represents elements such as Ba, Sr, Pb, or a mixture thereof, and n is a value between 5 and 6. This innovative magnet exhibits multipolar anisotropy with more than eight magnetic poles on its surface. The method of producing this magnet is also disclosed, showcasing Noda's expertise in material science.

The ferrite magnet patent describes a process involving a mixture of magnetoplumbite type ferrite particles, which are compacted through extrusion. The compacts undergo a series of processes, including drying, sintering, orienting, and magnetizing, to create cylindrical ferrite magnets with multiple magnetic poles. Anisotropy is imparted to these magnets by applying a pulse magnetic field during the production process.

Career Highlights

Noda is currently associated with Hitachi Metals, Ltd., a leading company in the field of advanced materials. His work at Hitachi has allowed him to push the boundaries of magnet technology, contributing to the company's reputation for innovation and quality.

Collaborations

Throughout his career, Noda has collaborated with notable colleagues, including Yoshihiro Noguchi and Motoharu Shimizu. These collaborations have fostered a creative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Noriyuki Noda's contributions to the field of permanent magnet technology are noteworthy. His innovative patents and work at Hitachi Metals, Ltd. highlight his role as a leading inventor in this specialized area. His ongoing efforts continue to shape the future of magnet applications in various industries.