Yuji Miyoshi

Title: Innovations by Yuji Miyoshi

Introduction

Yuji Miyoshi is a notable inventor based in Tottori, Japan. He has made significant contributions to the field of rubber materials, particularly through his innovative patent related to NBR compositions. His work is recognized for its practical applications in various industries, especially in automotive and hydraulic systems.

Latest Patents

Yuji Miyoshi holds a patent for an NBR composition and buffer material using the same. This composition is designed to enhance rubber material processability and vulcanized rubber hardness. It comprises 93 to 105 parts by weight of carbon black with a carbon black grade of N330 or N550, along with specific amounts of a vulcanization retarder, thiazole-based and thiuram-based vulcanization accelerators, and a sulfur-based vulcanizing agent. The resulting vulcanized molded product exhibits a rubber hardness of 85 or more, making it suitable for applications such as automobile buffer materials, stoppers for electric power steering, and devices equipped with hydraulic cylinders.

Career Highlights

Yuji Miyoshi is currently associated with Nok Corporation, where he continues to develop innovative solutions in rubber technology. His expertise in material science has led to advancements that benefit various sectors, particularly in enhancing the performance and durability of rubber products.

Conclusion

Yuji Miyoshi's contributions to the field of rubber materials through his patent demonstrate his commitment to innovation and practical applications. His work not only advances material science but also supports industries that rely on high-performance rubber products.