Company Filing History:
Years Active: 1984-1989
Title: Tsuyoshi Sei: Innovator in Co-Polycarbonate Technology
Introduction
Tsuyoshi Sei is a notable inventor based in Himeji, Japan. He has made significant contributions to the field of materials science, particularly in the development of co-polycarbonate copolymers. With a total of 3 patents to his name, Sei's work has implications for various applications, including optical disks.
Latest Patents
One of Tsuyoshi Sei's latest patents involves a co-polycarbonate copolymer derived from 2,2-bis(4-hydroxy-3-tertiary butyl-phenyl)propane. This aromatic polycarbonate copolymer is designed for use as a substrate in optical disks and consists of 1 to 99 mole percent of the specified unit, along with 99 to 1 mole percent of a comonomer selected from a group that includes flavone glycosides. The flavone glycoside, which is isolated from natural sources, has been found effective in ameliorating hemolytic disturbances.
Career Highlights
Tsuyoshi Sei is currently employed at Daicel Chemical Industries, Ltd., where he continues to innovate in the field of polymer chemistry. His work has not only advanced the understanding of co-polycarbonate materials but has also contributed to the development of new applications in various industries.
Collaborations
Throughout his career, Sei has collaborated with notable colleagues, including Takeshi Matsumoto and Hajime Namikoshi. These collaborations have fostered a productive environment for innovation and research.
Conclusion
In summary, Tsuyoshi Sei is a distinguished inventor whose work in co-polycarbonate technology has made a significant impact. His contributions continue to influence the field and pave the way for future advancements in materials science.