Location History:
- Fuji, JP (1978 - 1987)
- Shizuoka, JP (1987)
- Yokohama, JP (1992 - 1997)
Company Filing History:
13 out of 1,297 
4 out of 232 
Years Active: 1978-1997
Title: Innovations of Tatsumi Arakawa: A Pioneer in Polyethynylacetylene Derivatives
Introduction: Tatsumi Arakawa, an inventive mind from Fuji, Japan, has made remarkable contributions to the field of polymer chemistry. With a total of 17 patents to his name, he has established himself as a leading inventor in the development of innovative materials, particularly polyethynylacetylene derivatives.
Latest Patents: Among his latest patents, one of the highlights is the creation of an electronic delay detonator, alongside a groundbreaking innovation in polyethylacetylene derivatives. The patented formula illustrates a novel polyethynylacetylene derivative represented by a complex molecular structure, where R can vary across various substituents such as H, alkyl groups, and other organic moieties. The preparation process involves a polymerization method utilizing a metathesis catalyst or Ziegler catalyst. This innovative polymer is noteworthy for its solubility in organic solvents and versatility in shaping, making it an exceptional high-sensitivity pattern-forming material. This material holds promise as a precursor for polyacene polymers, indicating its potential impact in various applications.
Career Highlights: Tatsumi Arakawa has built an impressive career, holding significant positions in notable companies. He has contributed to the success of Asahi Kasei Kogyo Kabushiki Kaisha and served as the Director-General of the Agency of Industrial Science and Technology. His work in these roles has further advanced his research and innovation efforts, consolidating his reputation in the field.
Collaborations: Throughout his career, Arakawa has collaborated with esteemed colleagues, including Hidehiko Kobayashi and Masaru Ozaki. These partnerships have fostered an environment of shared knowledge and innovation, enabling the development of various advanced materials and technologies.
Conclusion: Tatsumi Arakawa stands as a prominent figure in the realm of inventions and innovations focused on polymer chemistry. His 17 patents, particularly in polyethynylacetylene derivatives, demonstrate his dedication to advancing material sciences. As he continues to push the boundaries of innovation, his contributions are anticipated to have lasting effects in various technological applications.