Yozo Yamamoto

Title: Yozo Yamamoto: Innovator in Polymer Chemistry

Introduction

Yozo Yamamoto is a notable inventor based in Kuga, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of copolymer compositions. With a total of two patents to his name, his work has had a considerable impact on the industry.

Latest Patents

Yamamoto's latest patents include innovative compositions of cycloolefin type random copolymers. One of his key inventions is a random copolymer of propylene and 1-butene, which consists of 40 to 90 mole% of propylene and 60 to 10 mole% of 1-butene. This copolymer exhibits several advantageous properties, such as a boiling n-heptane-insoluble content of not more than 5% by weight, a boiling methyl acetate-soluble content of not more than 2% by weight, and a melting point ranging from 40 to 140 degrees Celsius. Additionally, it has an intrinsic viscosity of 0.5 to 6 dl/g, an elongation at break of at least 300%, and a tensile strength at break of at least 50 kg/cm². The copolymer is particularly suitable for producing various melt-shaped articles, including films, sheets, vessels, and tubes.

Career Highlights

Yozo Yamamoto is currently employed at Mitsui Petrochemical Industries, Ltd., where he continues to advance his research and development efforts in polymer technology. His work has been instrumental in enhancing the properties and applications of copolymers in various industries.

Collaborations

Yamamoto has collaborated with several esteemed colleagues, including Satoru Moriya and Akio Ishimoto. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

In summary, Yozo Yamamoto is a distinguished inventor whose work in polymer chemistry has led to significant advancements in copolymer compositions. His contributions continue to influence the industry and inspire future innovations.