Company Filing History:
Years Active: 2025
Title: Hiroshi Ashihara: Innovator in Polyester Film Technology
Introduction
Hiroshi Ashihara is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of polymer technology, particularly in the development of polyester films. His innovative work has led to advancements that are beneficial in various applications.
Latest Patents
Hiroshi Ashihara holds a patent for a polyester film and the method for producing it. This polyester film comprises a polyester (A) primarily made of polybutylene terephthalate and a polyester (B) mainly composed of polyethylene terephthalate. The mass ratio between the polyesters (A) and (B) is maintained between 70/30 to 55/45. The film exhibits a dry heat shrinkage rate (A) of 20% or less when subjected to heat treatment at 160° C. for 30 minutes, with minimal variation across different directions. Additionally, the dry heat shrinkage rate (B) at 200° C. for 15 minutes is 35% or less, ensuring consistent performance across the film's surface.
Career Highlights
Hiroshi Ashihara has built a successful career at Unitika Ltd., where he has been instrumental in advancing polyester film technology. His expertise and innovative mindset have positioned him as a key figure in the industry.
Collaborations
Throughout his career, Hiroshi has collaborated with talented individuals such as Takayoshi Okuzu and Ken Akamatsu. These partnerships have fostered a creative environment that has led to significant advancements in their field.
Conclusion
Hiroshi Ashihara's contributions to polyester film technology exemplify the impact of innovation in materials science. His work continues to influence the industry and inspire future advancements.