Kiyoshi Yoshimoto

Title: Kiyoshi Yoshimoto: Innovator in Elastic Filament Technology

Introduction

Kiyoshi Yoshimoto is a notable inventor based in Hofu, Japan. He has made significant contributions to the field of elastic filament technology, holding a total of 4 patents. His innovative work focuses on the development of advanced materials that enhance the functionality and comfort of textile products.

Latest Patents

Yoshimoto's latest patents include groundbreaking inventions such as an elastic polyurethane yarn and a composite elastic filament with a rough surface. The composite elastic filament consists of a sheath component made from a fiber-forming thermoplastic polymer, such as polyamide, polyester, or polyolefin, and a core component made from a fiber-forming elastomer, like polyurethane or polyester elastomer. The unique design features a core/sheath conjugate ratio ranging from 1/1 to 100/1 by cross-sectional area. The core portion has a smooth peripheral surface, while the sheath portion is characterized by numerous ridges that enhance its performance. This filament can be produced through melt conjugate spinning, followed by drawing and relaxation, resulting in excellent elastic properties and a small surface friction coefficient.

Career Highlights

Kiyoshi Yoshimoto is currently employed at Kanebo, Limited, where he continues to innovate in the textile industry. His work has led to advancements that improve the wearability and aesthetic appeal of products, particularly in the realm of women's stockings.

Collaborations

Yoshimoto has collaborated with esteemed colleagues such as Yasuo Muramoto and Masami Fujimoto. Their combined expertise has contributed to the successful development of innovative textile solutions.

Conclusion

Kiyoshi Yoshimoto's contributions to elastic filament technology exemplify the spirit of innovation in the textile industry. His patents reflect a commitment to enhancing product performance and user experience.