Ryozo Sawada

Title: Ryozo Sawada: Innovator in Synthetic Resin Fasteners

Introduction

Ryozo Sawada is a notable inventor based in Uozu, Japan. He has made significant contributions to the field of synthetic resin fasteners, particularly through his innovative designs and patents. His work has had a lasting impact on the manufacturing and textile industries.

Latest Patents

Ryozo Sawada holds a patent for a slide fastener made of synthetic resin. This invention features regularly spaced elements that are formed and fixed to the edge of fastener tape through the injection molding of molten synthetic resin. The fastener tape is composed of polyethylene terephthalate, while the elements of the slide fastener are made from a polymer alloy of polybutylene terephthalate with polypropylene or polyethylene terephthalate. This innovative design enhances the durability and functionality of slide fasteners.

Career Highlights

Throughout his career, Ryozo Sawada has been associated with Yoshida Kogyo K.K., a company known for its expertise in manufacturing high-quality fasteners. His work at the company has allowed him to develop and refine his inventions, contributing to advancements in the industry.

Collaborations

Ryozo Sawada has collaborated with notable coworkers such as Masanori Hirasawa and Yoshiharu Yamaguchi. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Ryozo Sawada's contributions to the field of synthetic resin fasteners exemplify his dedication to innovation and quality. His patent for a slide fastener made of synthetic resin showcases his ability to combine functionality with advanced materials. His work continues to influence the industry and inspire future inventors.