Atsushi Sumida

Title: Atsushi Sumida: Innovator in Carbon Fiber Technology

Introduction

Atsushi Sumida is a notable inventor based in Ehime, Japan, recognized for his contributions to carbon fiber technology. With a total of 6 patents, he has made significant advancements in the field, particularly in the development of sizing agents and processes for carbon fiber production.

Latest Patents

Sumida's latest patents include a sizing agent for carbon fibers, which consists of an epoxy resin with a viscosity ranging from more than 1,000 P to 20,000 P at 50 degrees Celsius, combined with a urethane compound derived from a polyol and a polyisocyanate. Another significant patent focuses on a process for preparing carbon fiber that enhances its processability and physical properties as a composite. This process involves treating carbon fiber with an epoxy resin composition that incorporates a polyalkylene ether glycol derivative.

Career Highlights

Throughout his career, Atsushi Sumida has worked with prominent companies such as Toray Industries, Inc. and Sanyo Chemical Industries, Ltd. His work has been instrumental in pushing the boundaries of carbon fiber applications, making them more efficient and effective for various uses.

Collaborations

Sumida has collaborated with esteemed colleagues, including Shizuo Watanabe and Minoru Yoshinaga, contributing to the innovative advancements in carbon fiber technology.

Conclusion

Atsushi Sumida's work in carbon fiber technology showcases his dedication to innovation and excellence. His patents and collaborations reflect a commitment to advancing materials science, making a lasting impact in the industry.