Minoru Hirono

Title: Minoru Hirono: Innovator in High-Speed Steel Technology

Introduction

Minoru Hirono is a distinguished inventor based in Kobe, Japan. He is known for his significant contributions to the field of materials science, particularly in the development of high-speed steel. His innovative work has led to advancements that benefit various industrial applications.

Latest Patents

Hirono holds a patent for a nitrogen-containing high-speed steel obtained by the powder metallurgical process. This invention comprises at least 0.40% nitrogen, 1.6 to 15% vanadium, and carbon in an amount that satisfies the relationship of 0.5 + 0.2V (%) ≤ (C + N) ≤ 0.8 + 0.2V (%). Additionally, it includes at least one element selected from the group consisting of up to 15% chromium, up to 10% molybdenum, up to 20% tungsten, and up to 15% cobalt, with the balance being iron. This innovative steel composition enhances the performance and durability of cutting tools.

Career Highlights

Minoru Hirono is associated with Kobe Steel, Ltd., a leading company in the steel industry. His work at Kobe Steel has been instrumental in pushing the boundaries of high-speed steel technology. His dedication to research and development has earned him recognition in the field.

Collaborations

Hirono has collaborated with notable colleagues, including Toru Yukawa and Nobuyasu Kawai. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Minoru Hirono's contributions to high-speed steel technology exemplify the impact of innovative thinking in materials science. His patent and work at Kobe Steel, along with his collaborations, highlight his role as a key figure in advancing industrial applications.