This inventor holds 3 USPTO granted patents, plus 2 CIPO patents. Top assignee: Mitsui-Cyanamid, Ltd.. Active years: 1991-1992.
Company Filing History:
Years Active: 1991-1992
Title: Masako Shirota: Innovator in Polymer Technology
Introduction
Masako Shirota is a prominent inventor based in Yokohama, Japan. She has made significant contributions to the field of polymer technology, holding three patents that showcase her innovative spirit and technical expertise.
Latest Patents
Her 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 be made water swellable through reactions with acids, salts, or quaternizing agents. Another notable patent is for a mortar concrete composition that combines a polymer emulsion, Portland cement, and aggregates. This composition is characterized by its ability to reinforce the strength of shaped products, even with a small amount of polymer added.
Career Highlights
Masako Shirota works at Mitsui-Cyanamid, Ltd., where she continues to develop innovative materials that enhance construction and manufacturing processes. Her work has been instrumental in advancing the applications of polymer technology in various industries.
Collaborations
She collaborates with notable colleagues, including Hitoshi Fujiyoshi and Naotaka Watanabe, to further her research and development efforts.
Conclusion
Masako Shirota's contributions to polymer technology reflect her dedication to innovation and excellence. Her patents not only advance scientific knowledge but also have practical applications that benefit various industries.