Location History:
- Kurashiki, JP (1998 - 2000)
- Okayama, JP (1999 - 2010)
Company Filing History:
Years Active: 1998-2010
Title: **Tohru Hayashi: Innovator in Induction Hardened Steel Products**
Introduction
Tohru Hayashi, an accomplished inventor based in Kurashiki, Japan, has made significant contributions to the field of materials engineering with a focus on steel products. With a remarkable portfolio of six patents, Hayashi has been instrumental in advancing the technology surrounding induction-hardened steel, which is vital for various industrial applications.
Latest Patents
Hayashi's latest innovation includes several patents revolving around a unique steel product tailored for induction hardening. This product comprises specific mass percentages of carbon, silicon, manganese, aluminum, titanium, molybdenum, boron, sulfur, phosphorus, chromium, and iron, designed to achieve a structure of bainite and/or martensite. The critical feature is that the total volume fraction of these phases exceeds 10%, while maintaining a fine austenite grain size of 12 µm or less throughout the thickness of the material. This advanced steel product delivers exceptional fatigue strength, making it ideal for applications in automobile drive shafts and constant velocity joints.
Career Highlights
Tohru Hayashi's professional journey includes significant tenures at renowned companies such as Kawasaki Steel Corporation and JFE Steel Corporation. His expertise in metallurgy and commitment to innovation have paved the way for developing strong, tough, and non-heat-treated steel that meets the demands of modern engineering.
Collaborations
Throughout his career, Hayashi has collaborated with esteemed colleagues, including Keniti Amano and Yasuhiro Omori. Their collective efforts have facilitated advancements in steel technology, contributing to the improvement of products that enhance safety and reliability in automotive engineering.
Conclusion
Tohru Hayashi stands as a prominent figure in the field of steel innovation. His dedication to research and development in induction-hardened materials underscores the importance of innovation in achieving high-performance engineering solutions. As he continues to push the boundaries of materials science, his contributions remain integral to the ongoing evolution of industrial applications.