Masayoshi Shirakawa

Title: Masayoshi Shirakawa: Innovator in Flame Retardant Materials

Introduction

Masayoshi Shirakawa is a notable inventor based in Toyama, Japan. He has made significant contributions to the field of materials science, particularly in the development of flame retardant thermoplastic resin compositions. With a total of 2 patents to his name, Shirakawa continues to push the boundaries of innovation in his industry.

Latest Patents

Shirakawa's latest patents include a flame retardant thermoplastic resin composition. This composition comprises 100 parts by weight of a thermoplastic resin, from 1 to 30 parts by weight of (A) at least one of polyhydric alcohol-boric acid metal complexes, from 15 to 30 parts by weight of (B) at least one of ammonium polyphosphate and melamine-modified ammonium polyphosphate, and from 3 to 30 parts by weight of (C) at least one of melamine and melamine derivatives. Another significant patent is for a surface-treated melamine cyanurate powder and the process for its production. This powder is composed of readily dispersible aggregated primary particles of melamine cyanurate that are surface-treated with a metal oxide.

Career Highlights

Masayoshi Shirakawa is currently employed at Nissan Chemical Industries Limited, where he applies his expertise in materials science to develop innovative solutions. His work has been instrumental in advancing the company's product offerings in flame retardant materials.

Collaborations

Shirakawa has collaborated with notable colleagues such as Masuo Shindoh and Shinichi Yuki. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Masayoshi Shirakawa is a distinguished inventor whose work in flame retardant materials has made a significant impact in the field. His innovative patents and collaborations highlight his commitment to advancing materials science.