Koki Sugihara

Title: Koki Sugihara: Innovator in Rubber Composition Technology

Introduction

Koki Sugihara is a notable inventor based in Hiratsuka, Japan. He has made significant contributions to the field of rubber composition technology, holding a total of 4 patents. His work focuses on developing materials that enhance the performance and durability of hoses used in various applications.

Latest Patents

Sugihara's latest patents include a rubber composition for hoses and a refrigerant-transporting hose. The rubber composition for hoses is designed to provide excellent oil resistance and low-temperature performance. It consists of a hydrogenated acrylonitrile butadiene rubber, carbon black, peroxide, and triallyl isocyanurate. The specific formulation ensures that the peroxide content is 2.4 parts by mass or more per 100 parts by mass of the rubber, while the triallyl isocyanurate content is 1.9 parts by mass or more.

The refrigerant-transporting hose features an inner tube, an outer tube, and a reinforcing layer. The outer tube is made from a rubber composition that includes a brominated copolymer rubber, carbon black, a brominated alkylphenol resin, and zinc oxide. This innovative design achieves both excellent workability and sealing properties.

Career Highlights

Koki Sugihara is currently employed at The Yokohama Rubber Co., Ltd. His work at this esteemed company has allowed him to focus on advancing rubber technology, contributing to the development of high-performance materials.

Collaborations

Throughout his career, Sugihara has collaborated with talented individuals such as Ikuma Yusa and Daisuke Maeda. These collaborations have fostered innovation and have led to the successful development of new products in the rubber industry.

Conclusion

Koki Sugihara is a prominent figure in the field of rubber composition technology, with a focus on creating materials that enhance the performance of hoses. His contributions through patents and collaborations continue to impact the industry positively.