Toshifumi Katsuda

Title: Innovations of Toshifumi Katsuda

Introduction

Toshifumi Katsuda is a notable inventor based in Niihama, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced alumina powders. With a total of 2 patents to his name, Katsuda's work has implications for various industrial applications.

Latest Patents

Katsuda's latest patents include a method for producing α-alumina fine powder. This invention focuses on creating α-alumina powder with primary particle diameters ranging from 10 nm to 100 nm. The powder boasts a high ratio of α-phase, which is essential for producing sintered bodies with high density. The manufacturing method involves mixing an aluminum compound with various other compounds, including titanium, iron, and chromium, along with aluminum nitride, aluminum carbide, and aluminum boride as seed crystals. The mixture is then calcined at temperatures between 600°C and 1000°C in the presence of HCl gas.

Career Highlights

Katsuda is currently employed at Sumitomo Chemical Company, Limited, where he continues to innovate in the field of chemical engineering and materials science. His work has been instrumental in advancing the understanding and application of fine powders in various industries.

Collaborations

Throughout his career, Katsuda has collaborated with esteemed colleagues such as Yoshio Uchida and Hiroshi Takahashi. These collaborations have further enriched his research and development efforts.

Conclusion

Toshifumi Katsuda's contributions to the field of materials science, particularly through his patents on α-alumina fine powder, highlight his innovative spirit and dedication to advancing technology. His work continues to influence various industrial applications, showcasing the importance of research and development in modern science.