Hideyuki Kuwakara

Title: The Innovations of Hideyuki Kuwakara

Introduction

Hideyuki Kuwakara is a notable inventor based in Oi, Japan. He has made significant contributions to the field of materials science, particularly in the development of calcium-phosphate type hydroxyapatite. His work has implications for various applications, including chromatographic separation.

Latest Patents

Kuwakara holds a patent for a calcium-phosphate type hydroxyapatite designed for chromatographic separation. This innovative material is characterized by spherulites with a mean particle diameter ranging from 0.5 to 50 micrometers, with a preferred size of 1 to 10 micrometers. The spherulites consist mainly of acicular crystallites belonging to a series of hexagonal systems, featuring unit lattice constants of 9.58 ± 0.08 Å for the a axis and 7.00 ± 0.05 Å for the c axis. The hydroxyapatite is produced by granulating a calcium-phosphate type hydroxyapatite in gel form and subsequently firing the granular apatite at temperatures between 400°C and 700°C, ideally at 500°C to 600°C. This process is conducted in the presence of oxygen or air for a specified duration.

Career Highlights

Throughout his career, Kuwakara has worked with prominent companies, including Toa Nenryo Kogyo and Asahi Kogaku Kogyo. His experience in these organizations has contributed to his expertise in the field of materials science and innovation.

Collaborations

Kuwakara has collaborated with notable colleagues such as Nobuaki Tagaya and Takao Hashimoto. These partnerships have likely enhanced his research and development efforts in the field.

Conclusion

Hideyuki Kuwakara's contributions to the development of calcium-phosphate type hydroxyapatite demonstrate his innovative spirit and commitment to advancing materials science. His work continues to influence various applications in the industry.