This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Metals, Ltd.. Active years: 1978.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1978
Title: Celebrating the Innovative Mind of Hisao Yoshizawa
Introduction
Hisao Yoshizawa is a notable inventor based in Kumagaya, Japan. He is recognized for his significant contributions to the field of material science, particularly in the development of advanced permanent magnet alloys. His innovative efforts are exemplified in his patented invention, which enhances the properties and applications of magnetic materials.
Latest Patents
Hisao Yoshizawa holds a patent for an anisotropic permanent magnet alloy. This alloy is characterized by its unique composition, which includes 17 to 45% chromium, 3 to 14.5% cobalt, and 0.2 to 5% silicon, with the balance primarily consisting of iron. The specific formulation of 23 to 35% chromium, 7 to 14.5% cobalt, and 0.3 to 3% silicon yields a magnet with a remarkable residual magnetic flux density of 7000 Gauss or more and a coercive force of 300 Oersted or more. The process for producing this alloy involves two aging treatments in a magnetic field, emphasizing the innovation’s advanced methodology.
Career Highlights
Hisao Yoshizawa is affiliated with Hitachi Metals, Ltd., a prominent company known for its cutting-edge materials and technologies. Throughout his career, Yoshizawa has dedicated himself to research and development, significantly impacting the quality and efficiency of magnetic materials utilized in various industries.
Collaborations
Yoshizawa has collaborated with fellow researcher Masao Iwata, leveraging their combined expertise to push the boundaries of material science. Their partnership has contributed to the successful realization of the patented anisotropic permanent magnet alloy, demonstrating the importance of teamwork in innovative research.
Conclusion
Hisao Yoshizawa stands out as a key figure in the realm of material innovation. His work on anisotropic permanent magnet alloys not only advances technological applications but also highlights the importance of innovation in the competitive landscape of material sciences. As his contributions continue to resonate in the industry, Yoshizawa's inventive spirit inspires future generations of inventors and researchers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile