Location History:
- Tokyo, JP (1987)
- Kitakyushu, JP (1981 - 1990)
Company Filing History:
Years Active: 1981-1990
Title: Innovations of Seizun Higuchi in Electrical Steel Technology
Introduction
Seizun Higuchi is a notable inventor hailing from Kitakyushu, Japan, recognized for his significant contributions to the field of electrical steel technology. With a total of 11 patents to his name, Higuchi's work focuses on enhancing the performance and efficiency of magnetic materials, particularly in relation to grain-oriented electrical steel sheets.
Latest Patents
Two of Seizun Higuchi's most recent patents showcase his innovative approach to reducing watt loss in electromagnetic applications. The first patent describes a grain-oriented electrical steel sheet that boasts an ultra-low watt loss due to its unique structure of heat-resistant subdivided magnetic domains. The inclusion of spaced apart regions of plastic strain allows for effective thermal intrusions, enhancing the material's properties while maintaining performance after stress relief annealing. Preferred intruders include antimony (Sb) and Sb-containing materials.
The second patent offers a refined method for producing a grain-oriented electrical steel sheet where the subdividing of the magnetic domains is improved. This innovation ensures that the watt loss can be minimized without losing the efficiency during the stress relief annealing process. Utilizing Sb as an intrudable means along with laser irradiation allows for the promotion of strain, thereby optimizing the material's performance.
Career Highlights
Seizun Higuchi has dedicated a significant portion of his career to research and development at Nippon Steel Corporation, a leading company in the steel industry. His role has been pivotal in advancing the technology involved in electrical steel sheets, making them more efficient and effective for industrial applications.
Collaborations
Throughout his career, Higuchi has collaborated with esteemed colleagues such as Minoru Kamada and Kazuhiro Tano. These collaborations have enriched his work, leading to advancements that benefit both the engineering community and the performance of electrical steel products in real-world applications.
Conclusion
Seizun Higuchi's dedication to innovation has positioned him as a key figure in the development of advanced electrical steel technologies. With a focus on reducing watt loss and enhancing material efficiency, his patents pave the way for improved applications in various industries. His contributions not only reflect personal achievement but also advance the broader field of material science and engineering.