Company Filing History:
Years Active: 1999
Title: Akihiko Hasegawa: Innovator in Resin Technology
Introduction
Akihiko Hasegawa is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of resin technology, particularly in the development of innovative coating materials. His work has implications for various industries, including manufacturing and materials science.
Latest Patents
Hasegawa holds a patent for a resin for coating formation and a method for producing the same. This resin comprises a polyarylate that includes 2,2-bis(3-methyl-4-hydroxyphenyl)propane units and a divalent carboxylic acid component. The composition features 10 to 90 mol % of terephthalic acid units and 90 to 10 mol % of isophthalic acid units. The resin has an inherent viscosity of 0.85 or more, measured in 1,1,2,2-tetrachloroethane at a concentration of 1 g/dl at 25°C, and a carboxyl value of 20 mol/ton or less. The production process involves interfacial polymerization, utilizing a quaternary ammonium salt or a quaternary phosphonium salt with at least three alkyl groups, each containing a minimum of three carbon atoms as a catalyst.
Career Highlights
Hasegawa is associated with Unitika Ltd., where he has been instrumental in advancing resin technologies. His expertise in polymer chemistry has led to the development of high-performance materials that meet industry standards.
Collaborations
Throughout his career, Hasegawa has collaborated with notable colleagues, including Souichiro Kishimoto and Takamasa Ohwaki. These partnerships have fostered innovation and contributed to the success of various projects within the company.
Conclusion
Akihiko Hasegawa's contributions to resin technology exemplify the impact of innovative thinking in material science. His patent and collaborative efforts continue to influence the industry, showcasing the importance of research and development in creating advanced materials.