Shiro Anzai is a prominent inventor based in Murayama, Japan. He has made significant contributions to the field of materials science, particularly in the development of nitrile rubber compositions and tire filling materials. With a total of 9 patents to his name, Anzai's work has had a considerable impact on the automotive and manufacturing industries.

Latest Patents

One of Anzai's latest patents is for a nitrile rubber composition that boasts high modulus and excellent physical properties. This innovative method involves kneading a mixture of nitrile rubber, an α,β-ethylenically unsaturated carboxylic acid, a divalent metal compound, and a secondary aryl amine at temperatures between 120°C and 160°C. The process enhances the physical properties of the composition while preventing scorching and improving workability compared to traditional carboxylated nitrile rubber compositions. Another notable patent is for a polyurethane tire filling material that incorporates a plasticizer, resulting in a high resilience product that is beneficial for tire applications.

Career Highlights

Shiro Anzai is currently associated with Bridgestone Tire Company Limited, where he continues to innovate in tire technology and materials. His work has not only advanced the performance of rubber materials but has also contributed to the overall safety and efficiency of tire products.

Collaborations

Anzai has collaborated with notable colleagues such as Yoji Watabe and Nobuyuki Kataoka. Their combined expertise has further propelled advancements in the field of rubber technology.

Conclusion

Shiro Anzai's contributions to nitrile rubber and tire technology exemplify the importance of innovation in material science. His patents reflect a commitment to enhancing product performance and safety in the automotive industry.

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