Hirosi Yazawa

Title: Hirosi Yazawa: Innovator in Film and Fibrous Web Technologies

Introduction

Hirosi Yazawa is a notable inventor based in Kunitachi, Japan, recognized for his contributions to the field of film and fibrous web technologies. With a total of four patents to his name, Yazawa has developed innovative methods and apparatuses that enhance the processing of thermoplastic films.

Latest Patents

Yazawa's latest patents include a "Method and apparatus for stretching film or fibrous web." This invention involves a unique process where a film or fibrous web is stretched by moving laterally spaced longitudinal portions along divergent paths formed by pulleys and belt means. The film is heated or softened during this process, allowing for effective stretching. Another significant patent is the "Method and apparatus for slitting thermoplastic films." This method involves slitting a continuous thermoplastic film while it is advanced by a rotating roll, ensuring uniform slits through the use of heated cutting edges and an elastic surface layer.

Career Highlights

Throughout his career, Yazawa has worked with prominent companies such as the Polymer Processing Research Institute Ltd. and Nippon Petrochemicals Company, Limited. His experience in these organizations has contributed to his expertise in polymer processing and film technology.

Collaborations

Yazawa has collaborated with notable coworkers, including Kazuhiko Kurihara and Tokio Okada. These partnerships have