Kiyofumi Hirokawa

Title: Kiyofumi Hirokawa: Innovator in Aluminum Nitride Granules

Introduction

Kiyofumi Hirokawa is a notable inventor based in Shinnanyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of aluminum nitride granules. His innovative work has led to the creation of a patented process that enhances the properties and applications of aluminum nitride.

Latest Patents

Hirokawa holds a patent for "Aluminum nitride granules and process for the preparation thereof." This patent describes aluminum nitride granules characterized by their composition, bulk density, mean particle diameter, and breaking strength. The granules are primarily composed of aluminum nitride and have a bulk density ranging from 0.5 to 1.5 g/cc. The mean particle diameter is within the range of 20 to 500 micrometers, and they exhibit a breaking strength of 0.5 to 5.0 g. The preparation process involves mixing aluminum nitride powder with a surfactant, binder, and organic solvent to form a slurry, which is then granulated and heated to produce the final granules.

Career Highlights

Kiyofumi Hirokawa is associated with Tokuyama Soda Kabushiki Kaisha, where he has been instrumental in advancing research and development in materials. His expertise in aluminum nitride has positioned him as a key figure in the industry, contributing to various applications of this material.

Collaborations

Hirokawa has collaborated with his coworker, Hitofumi Taniguchi, to further enhance the research and development efforts in their field. Their combined expertise has led to innovative solutions and advancements in materials science.

Conclusion

Kiyofumi Hirokawa's contributions to the development of aluminum nitride granules demonstrate his commitment to innovation in materials science. His patented process not only enhances the properties of aluminum nitride but also opens new avenues for its application in various industries.