Company Filing History:
Years Active: 1993
Title: Katsuyuki Toma: Innovator in Lightweight Polyester Film Technology
Introduction
Katsuyuki Toma is a notable inventor based in Uji, Japan. He has made significant contributions to the field of materials science, particularly in the development of lightweight polyester films. His innovative work has led to the creation of a unique product that combines functionality with efficiency.
Latest Patents
Katsuyuki Toma holds a patent for a lightweight polyester film and the process for its production. This film comprises from 50 to 95% by weight of a crystalline polyester resin and from 5 to 50% by weight of a maleimide copolymer. The maleimide copolymer is dispersed in the film in the form of particles with diameters ranging from 0.1 to 20 micrometers, creating fine voids within the film. The resulting product has an apparent specific gravity of between 0.3 and 1.1. The maleimide copolymer consists of various monomer groups, including a maleimide monomer group, an aromatic vinyl monomer group, and others, ensuring a glass transition temperature that is at least 10 degrees Celsius higher than that of the crystalline polyester resin.
Career Highlights
Katsuyuki Toma is currently employed at Unitika Ltd., where he continues to innovate and develop new materials. His work has not only advanced the field of polyester films but has also contributed to the broader landscape of polymer technology.
Collaborations
Throughout his career, Katsuyuki has collaborated with esteemed colleagues such as Kenji Yasue and Eiji Y Yamamoto. These partnerships have fostered a creative environment that encourages the exchange of ideas and the advancement of technology.
Conclusion
Katsuyuki Toma's contributions to the development of lightweight polyester films exemplify the impact of innovative thinking in materials science. His patent reflects a commitment to enhancing product performance while maintaining efficiency. His work continues to influence the industry and inspire future innovations.