Company Filing History:
Years Active: 1995
Title: Yoko Kitano: Innovator in Corrosion-Resistant Magnets
Introduction
Yoko Kitano is a notable inventor based in Chiba, Japan, recognized for his contributions to the field of magnet technology. He holds two patents that focus on enhancing the properties of rare earth metal-transition metal magnets. His work has significant implications for various applications requiring durable and efficient magnetic materials.
Latest Patents
Kitano's latest patents include innovations in corrosion-resistant rare earth metal-transition metal series magnets. The first patent describes a method for creating permanent magnets that excel in both magnetic properties and corrosion resistance. This invention utilizes two magnetically useful phases, specifically the RE.sub.2 TM.sub.14 B phase, which has a high residual magnetic flux density, and a low melting point RE-TM' phase or RE-TM'-B phase. This combination enhances sinterability and provides a cleaning action against grain boundaries of the main phase. The second patent focuses on a corrosion-resistant rare earth metal-transition metal-boron permanent magnet. This magnet features improved corrosion resistance and excellent magnetic properties, comprising RE at 10-25 at % (where RE includes Y, Sc, and lanthanides), B at 2-20 at %, with the remainder being primarily Fe, Co, and Ni. The magnet also has an average crystal grain size of 0.1-50 µm and includes a crystal grain boundary phase of RE(Ni.sub.1-x-y Co.sub.x Fe.sub.y) compound.
Career Highlights
Yoko Kitano is affiliated with Kawasaki Steel Corporation, where he has been instrumental in advancing magnet technology. His innovative work has positioned him as a key figure in the development of materials that meet the demands of modern applications.
Collaborations
Kitano has collaborated with notable colleagues, including Yukiko Ozaki and Michio Shimotomai, contributing to a dynamic research environment that fosters innovation.
Conclusion
Yoko Kitano's contributions to the field of magnet technology, particularly in corrosion-resistant materials, highlight his role as a significant inventor. His patents reflect a commitment to advancing the capabilities of magnetic materials for various applications.
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