Company Filing History:
Years Active: 1999-2006
Title: Koukichi Hashimoto: Innovator in Polyester Film Technology
Introduction
Koukichi Hashimoto is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of polyester film technology, holding a total of 3 patents. His work focuses on enhancing the properties of polyester films for various applications, particularly in packaging.
Latest Patents
Hashimoto's latest patents include innovations in polyester film and gas-barrier polyester film. The polyester film he developed aims to provide superior impact resistance and flex pinhole resistance while maintaining excellent gas barrier properties after the deposition of metal or metal oxide. This film comprises a mixture of 70% to 97% by weight of polyester A, primarily composed of ethylene terephthalate, and 3% to 30% by weight of polyester B, mainly composed of butylene terephthalate. The melting point of this polyester film ranges from 245 to 270°C. Additionally, the polyester film may contain a polyester resin with specific weight percentages of ethylene terephthalate, butylene terephthalate, and polyoxyalkylene glycol components. This innovation is particularly suitable for packaging and other applications.
Another notable patent is the polyester-based gas barrier film containing inorganic stratified materials. This gas barrier film consists of a thermoplastic resin substrate with a gas barrier coating made from a water-soluble or water-dispersible high polymer and inorganic stratified particles. The surface of the gas barrier coating has a roughness parameter Rt/Ra of 25 or less, enhancing its effectiveness.
Career Highlights
Koukichi Hashimoto is associated with Toray Industries, Inc., a leading company in the field of advanced materials. His work at Toray has been instrumental in developing innovative solutions that meet the demands of modern packaging and other industrial applications.
Collaborations
Throughout his career, Hashimoto has collaborated with notable colleagues, including Yutaka Harada and Masahiro Kimura. These collaborations have contributed to the advancement of polyester film technology and have fostered a culture of innovation within the industry.
Conclusion
Koukichi Hashimoto's contributions to polyester film technology have significantly impacted the packaging industry. His innovative patents reflect a commitment to enhancing material properties and functionality. His work continues to inspire advancements in the field, showcasing the importance of innovation in modern