Company Filing History:
Years Active: 2009-2012
Title: Innovations of Fumio Tohyama: Pioneering Stainless Steel Technology
Introduction
Fumio Tohyama is a notable inventor based in Matsue, Japan, known for his significant contributions to the field of materials engineering, particularly in the development of stainless steel with enhanced properties. With a total of two patents attributed to his name, Tohyama has made strides in creating materials that boast both high hardness and excellent aesthetic qualities.
Latest Patents
Tohyama's latest patent focuses on a specific type of stainless steel characterized by a unique composition. This stainless steel contains, by mass, 0.05% or less carbon, 1.5 to smaller than 3.5% silicon (Si), 3.0% or less manganese (Mn), 6.0 to 12.0% chromium (Cr), 4.0 to 10.0% nickel (Ni), and other alloying elements. The steel is designed to achieve a hardness of not lower than 59 HRC, making it suitable for demanding applications requiring durability and high-performance surfaces. The production process involves a consumable electrode remelting technique followed by solution and aging treatments to enhance its hardness and surface finish.
Career Highlights
Fumio Tohyama is currently employed at Hitachi Metals, Ltd., where he collaborates with professionals to advance stainless steel technologies. His work is a testament to his commitment to innovation in materials science, striving to meet the growing demands of various industries for more resilient and versatile materials.
Collaborations
Tohyama works closely with his coworker, Yoshiyuki Inoue, at Hitachi Metals. Together, they engage in research and development efforts to push the boundaries of what modern materials can offer, reflecting the strong collaborative spirit essential in advancements in technology.
Conclusion
Fumio Tohyama's contributions to the field of stainless steel technology are invaluable, highlighting the importance of innovation in material properties. His patents not only showcase his inventive spirit but also set a benchmark for future developments in the industry. As he continues to work with his colleagues at Hitachi Metals, the impact of his work will resonate across various applications, underscoring the significance of advanced materials in today's engineering landscape.