Company Filing History:
Years Active: 1991-1995
Title: Akira Fujita: Innovator in Corrosion-Resistant Magnets
Introduction
Akira Fujita is a notable inventor based in Chiba, Japan, recognized for his contributions to the field of permanent magnets. With a total of three patents to his name, Fujita has made significant advancements in the development of corrosion-resistant rare earth metal-transition metal series magnets.
Latest Patents
Fujita's latest patents include innovations that enhance the magnetic properties and corrosion resistance of permanent magnets. One of his inventions focuses on creating permanent magnets that utilize two magnetically useful phases. This includes 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 not only improves sinterability but also provides a cleaning action against grain boundaries of the main phase. Another patent details a corrosion-resistant rare earth metal-transition metal-boron permanent magnet, which boasts improved corrosion resistance and excellent magnetic properties. This magnet composition includes RE at 10-25 at % and B at 2-20 at %, with the remainder being primarily Fe, Co, and Ni. The average crystal grain size of this magnet ranges from 0.1 to 50 micrometers, and it features a crystal grain boundary phase of RE(Ni.sub.1-x-y Co.sub.x Fe.sub.y) compound.
Career Highlights
Fujita is currently employed at Kawasaki Steel Corporation, where he continues to innovate in the field of materials science. His work has significantly impacted the development of advanced magnetic materials, contributing to various industrial applications.
Collaborations
Fujita has collaborated with notable colleagues, including Michio Shimotomai and Yasutaka Fukuda, who have also contributed to advancements in the field of magnet technology.
Conclusion
Akira Fujita's work in the development of corrosion-resistant magnets showcases his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to enhancing the performance and durability of permanent magnets, making a lasting impact in the industry.
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.