This inventor holds 2 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Bell Polyester Products, Inc., Daiwa Can Company. Active years: 2020-2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 2 
2 out of 133 Years Active: 2020-2021
Title: Keita Katsuma: Innovator in Polyester Resin Technology
Introduction
Keita Katsuma is a notable inventor based in Yamaguchi, Japan. He has made significant contributions to the field of polyester resin technology, holding 2 patents that address critical challenges in material properties and applications.
Latest Patents
Katsuma's latest patents include innovations in copolyester resin and polyester film designed for covering metal plates. The first patent focuses on providing a polyester resin that excels in various properties, ensuring good film formability and resistance to film fracture and scraping during the drawing and ironing processes. This innovation is particularly beneficial when applied to metal-sheet-coating polyester films, as it prevents damage to the film surface when used as an inner-surface film for metallic cans. The copolyester resin comprises 50 to 93 mass % of an ester oligomer and 7 to 50 mass % of a polyester polyol, enhancing the durability and corrosion resistance of the final product.
The second patent presents a polyester resin composition that boasts excellent transparency and flexibility, along with high heat resistance. This composition minimizes the bleeding-out of oligomers and can be formed into molded articles or pellets that are rarely agglutinated. The polyester resin is created through a polymerization reaction involving a dicarboxylic acid component and a diol component, ensuring a high-quality end product.
Career Highlights
Throughout his career, Katsuma has worked with reputable companies such as Daiwa Can Company and Bell Polyester Products, Inc. His experience in these organizations has allowed him to refine his expertise in polyester resin technology and contribute to innovative solutions in the industry.
Collaborations
Katsuma has collaborated with notable colleagues, including Masaya Okimoto and Hideaki Tomura. These partnerships have fostered a creative environment that encourages the development of groundbreaking inventions in the field of materials science.
Conclusion
Keita Katsuma's work in polyester resin technology exemplifies the impact of innovation on material science. His patents address significant challenges in the industry, showcasing his commitment to advancing the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile