Location History:
- Ohtake, JA (1977)
- Otake, JP (1979 - 1983)
- Ohtake, JP (1986 - 1987)
- Hiroshima, JP (1987)
Company Filing History:
Years Active: 1977-1987
Title: The Innovative Contributions of Takashi Setsuie
Introduction
Takashi Setsuie is a prominent inventor based in Otake, Japan, known for his significant contributions to the field of carbon fiber technology. With a robust portfolio of six patents, Setsuie's work focuses on the development of high-performance materials that enhance the properties of carbon fibers, paving the way for advancements in various industrial applications.
Latest Patents
Among his latest patents, one notable invention is the "Method for producing acrylic fiber precursors." This innovation involves creating an acrylic fiber precursor that is free of defects, comprising an acrylonitrile polymer with at least 90% by weight of acrylonitrile. The unique properties of this precursor include a surface roughness of 2.0 to 3.0 and a dense inner structure, achieved by dry-jet wet spinning from a specific solution mixture. The resulting carbon fibers exhibit high performance with no fusion bonding or agglutination of filaments.
Another significant patent, titled "Process for producing acrylonitrile-based precursors for carbon fibers," details a method to create metal-free acrylonitrile-based copolymers. These copolymers contain at least 95% by weight of acrylonitrile and include a small percentage of carboxyl group-containing polymerizable unsaturated monomer. The method utilizes a redox polymerization initiator, allowing for the production of high-quality acrylonitrile-based copolymers without metal impurities, which are known to cause defects in final carbon fiber products.
Career Highlights
Takashi Setsuie is associated with Mitsubishi Rayon Company, Limited, where his innovations have driven significant advancements in acrylic fiber technology. His work plays a crucial role in enhancing the performance characteristics of carbon fibers, which are essential in various high-tech applications.
Collaborations
Throughout his career, Setsuie has collaborated with notable colleagues such as Koji Mimura and Kiyonobu Okamura. These partnerships have facilitated the sharing of knowledge and expertise, leading to breakthrough innovations in the field of carbon fiber production.
Conclusion
In summary, Takashi Setsuie stands out as a dedicated inventor whose work has made a considerable impact on carbon fiber technology. His latest patents exemplify his commitment to innovation and excellence, reinforcing the importance of high-performance materials in modern science and industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.