Company Filing History:
Years Active: 2013-2024
Title: Daisuke Douyama: Innovator in Polyamide Technologies
Introduction
Daisuke Douyama is a notable inventor based in Ube, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced laminates and multilayer tubes. With a total of 3 patents to his name, Douyama's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
One of Douyama's latest patents is focused on a laminate that exhibits excellent low-temperature impact resistance and high bursting pressure strength. This laminate consists of multiple layers, including an (a) layer made from an aliphatic polyamide composition and a (b) layer containing a modified polyolefin. The modified polyolefin is designed to include specific units derived from α-olefins and unsaturated compounds with various functional groups. The Shore hardness of the modified polyolefin is measured between 30-61 on the D scale according to ASTM D2240.
Another significant patent involves a multilayer tube that incorporates both an aliphatic polyamide composition and a semi-aromatic polyamide composition. These layers are arranged adjacently, with the aliphatic polyamide having a defined melting point and specific ratios of methylene to amide groups. This innovative design enhances the tube's performance and durability, making it suitable for various applications.
Career Highlights
Daisuke Douyama has worked with prominent companies such as Ube Industries, Inc. and Ube Corporation. His experience in these organizations has allowed him to refine his expertise in polymer science and materials engineering. His contributions have been instrumental in advancing the capabilities of products developed by these companies.
Collaborations
Throughout his career, Douyama has collaborated with talented individuals, including Kazutoshi Tsuboi and Takaaki Kusumoto. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Daisuke Douyama's work in the field of polyamide technologies highlights his commitment to innovation and excellence. His patents reflect a deep understanding of material properties and their applications, making him a valuable contributor to the industry.