This inventor holds 6 USPTO granted patents. Top assignees: Japan Synthetic Rubber Co., Ltd., Bridgestone Tire Company Limited. Active years: 1983-1986.
Location History:
- Yokkaichi, JP (1983 - 1986)
- Tokyo, JP (1986)
Company Filing History:
5 out of 377 
4 out of 504 
Years Active: 1983-1986
Title: The Innovations of Yoshito Yoshimura
Introduction
Yoshito Yoshimura is a prominent inventor based in Yokkaichi, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of advanced materials for tire manufacturing. With a total of 6 patents to his name, Yoshimura's work has had a lasting impact on the industry.
Latest Patents
Yoshimura's latest patents include a tire tread comprised of branched styrene-butadiene copolymers. This innovative copolymer is produced by coupling an active styrene-butadiene copolymer anion, which is obtained by polymerizing styrene and butadiene in a hydrocarbon solvent in the presence of ether or a tertiary amine and an initiator of an organolithium compound, with a tin halide compound. The copolymer features a ratio of branched copolymer connected with tin-butadienyl bond of at least 20% by weight. Additionally, the content of bound styrene is not less than 3% by weight but less than 25% by weight, and the content of vinyl bond in the butadiene portion is not less than 30% but less than 50%. Another notable patent involves an alkenyl aromatic compound-conjugated diene block copolymer, characterized by a combined alkenyl aromatic compound content of 25-95% by weight.
Career Highlights
Throughout his career, Yoshimura has worked with several notable companies, including Japan Synthetic Rubber Co., Ltd. and Bridgestone Tire Company Limited. His expertise in polymer chemistry has allowed him to contribute to the development of innovative tire technologies that enhance performance and durability.
Collaborations
Yoshimura has collaborated with esteemed colleagues such as Noboru Oshima and Isamu Shimizu. These partnerships have fostered a creative environment that has led to groundbreaking advancements in the field.
Conclusion
Yoshito Yoshimura's contributions to polymer chemistry and tire technology are noteworthy. His innovative patents and collaborations have significantly influenced the industry, showcasing his dedication to advancing material science.