Akira Shirayama

Title: Akira Shirayama: Innovator in Filler Sand Technology

Introduction

Akira Shirayama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of specialized filler sands for industrial applications. With a total of 3 patents to his name, Shirayama's work has garnered attention for its innovative approaches and practical applications.

Latest Patents

One of Shirayama's latest patents is for a filler sand designed for a ladle tap hole valve. This filler sand comprises 70 to 90 wt % of chromite sand and 10 to 30 wt % of silica sand, blended externally with 0.05 to 5 wt % of carbon black based on the total amount of the chromite sand and silica sand. Additionally, the chromite sand features a particle diameter distribution where 99% or more consists of particles ranging from 150 to 850 µm, and 95% or more consists of particles ranging from 200 to 600 µm. The silica sand also has a specific particle diameter distribution, ensuring optimal performance in industrial applications. Another notable patent is the sliding nozzle filler, which further showcases his expertise in material formulations.

Career Highlights

Throughout his career, Akira Shirayama has worked with various companies, including NKK Corporation. His experience in the industry has allowed him to refine his inventions and contribute to advancements in material technology.

Collaborations

Shirayama has collaborated with several professionals in his field, including Hideto Takasugi and Manabu Tano. These collaborations have enriched his work and fostered innovation in the development of new materials.

Conclusion

Akira Shirayama's contributions to the field of filler sand technology highlight his innovative spirit and dedication to advancing material science. His patents reflect a commitment to improving industrial processes and enhancing product performance.