Hitoshi Fujiyoshi

Title: Hitoshi Fujiyoshi: Innovator in Polymer Technology

Introduction

Hitoshi Fujiyoshi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of polymer technology, holding three patents that showcase his innovative approach to materials science.

Latest Patents

Fujiyoshi's latest patents include a polymer emulsion that is capable of becoming water swellable. This is achieved by mixing a specific monomer with a crosslinking agent and optionally another vinyl monomer, followed by emulsion polymerization in water. The resulting polymer can react with an acid, salt, or quaternizing agent to become water swellable. Another patent involves a mortar concrete composition that comprises a polymer emulsion, Portland cement material, and aggregate. This composition is characterized by the polymer emulsion being prepared through neutralization or quaternization, which enhances the strength of the final product even with a small amount of polymer added.

Career Highlights

Fujiyoshi works at Mitsui-Cyanamid, Ltd., where he continues to develop innovative materials that have practical applications in construction and other industries. His work has been instrumental in advancing the use of polymer emulsions in various applications.

Collaborations

Some of his notable coworkers include Masako Shirota and Naotaka Watanabe, who have collaborated with him on various projects within the company.

Conclusion

Hitoshi Fujiyoshi's contributions to polymer technology through his patents reflect his innovative spirit and dedication to advancing material science. His work continues to influence the industry and pave the way for future developments.