Chisato Higashi

Title: Chisato Higashi: Innovator in Polytetrafluoroethylene Production

Introduction

Chisato Higashi is a prominent inventor based in Osaka, Japan. She has made significant contributions to the field of materials science, particularly in the production of low-molecular-weight polytetrafluoroethylene. Her innovative methods have implications for various industrial applications.

Latest Patents

Chisato Higashi holds a patent for a "Method for producing low-molecular weight polytetrafluoroethylene, and powder." This method involves irradiating high-molecular-weight polytetrafluoroethylene with radiation at a dose of 250 kGy or higher, substantially in the absence of oxygen. The result is low-molecular-weight polytetrafluoroethylene with a melt viscosity at 380° C. of 1.0×10 to 7.0×10 Pa·s. Additionally, the patent discloses a powder containing this low-molecular-weight polytetrafluoroethylene, which is substantially free from perfluorooctanoic acid and its salts.

Career Highlights

Throughout her career, Chisato has worked with notable organizations such as Daikin Industries, Ltd. and Osaka University. Her experience in these institutions has allowed her to refine her expertise in polymer science and contribute to advancements in the field.

Collaborations

Chisato has collaborated with esteemed colleagues, including Eiji Masuda and Masayuki Tsuji. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Chisato Higashi is a trailblazer in the production of low-molecular-weight polytetrafluoroethylene, with a patent that showcases her innovative approach. Her work continues to influence the materials science industry, and her collaborations highlight the importance of teamwork in driving innovation.