Location History:
- Kitakyushu, JA (1976)
- Munakata, JA (1976)
- Kitakyushu, JP (1984 - 1988)
Company Filing History:
5 out of 3,554 
1 out of 2,634 
Years Active: 1976-1988
Title: The Innovative Contributions of Hiroshi Yada
Introduction: Hiroshi Yada, an inventive mind based in Kitakyushu, Japan, has made significant contributions to the field of materials science and engineering. With a portfolio boasting five patents, Yada's work primarily focuses on advancements in high-tension, high-toughness steel, making him a notable figure in the industry.
Latest Patents: Among his most recent innovations is a patented "Method of and apparatus for measuring transformation degree." This patent outlines his contributions to high-tension, high-toughness steel with exceptional resistance to delayed fracture. The composition of this steel includes 0.15 to 0.50% carbon, up to 1.50% silicon, 0.20 to 1.50% manganese, up to 2.00% chromium, and other elements, resulting in a tempered martensitic structure that is achieved through a process of quenching and tempering.
Career Highlights: Yada's career is marked by his tenure at prominent companies, including Nippon Steel Corporation and The Furukawa Electric Co., Ltd. These experiences have allowed him to harness his technical skills and transform innovative ideas into practical applications within the steel industry.
Collaborations: Throughout his journey as an inventor, Yada has collaborated with esteemed colleagues such as Masatoki Nakayama and Saburo Shikoh. These partnerships have fostered an environment of creativity and innovation, driving the advancement of materials technology forward.
Conclusion: Hiroshi Yada's contributions as an inventor have left a profound impact on the field of materials science, particularly in the development of high-tension, high-toughness steel. With his innovative patents and collaboration with industry leaders, Yada continues to inspire future generations of inventors and engineers.