Company Filing History:
Years Active: 2014-2018
Title: Innovations by Hidehiro Kotaka: Advancements in Resin and Polyester Technologies
Introduction
Hidehiro Kotaka is an accomplished inventor based in Tsukuba, Japan. He has made significant contributions to the fields of materials science and engineering, particularly through his innovative patents. With a total of two patents to his name, Kotaka has focused on improving the performance and applications of polymer materials.
Latest Patents
One of Kotaka's latest patents is a resin composition for sliding members. This innovative composition includes an amorphous resin, flake graphite, and carbon fiber. Specifically, it defines a content of 5 to 40 parts by mass of flake graphite relative to 100 parts of amorphous resin, along with 5 to 60 parts by mass of carbon fiber. This combination enhances the sliding characteristics and durability of components made from this resin.
His other notable patent is a method for producing liquid crystal polyester. This method involves several precise steps, starting with the polycondensation of a specific mixture of compounds to create a prepolymer. This prepolymer has a flow initiation temperature of 200°C or higher. The subsequent steps of removing the prepolymer in a molten state, solidifying it, and heating the resulting particles under an inert gas further refine the production process of the liquid crystal polyester.
Career Highlights
Kotaka is currently associated with Sumitomo Chemical Company, Limited, where he applies his expertise in polymer technology to drive innovation. His research and development efforts inherently align with the company's goals of creating high-performance polymer materials for various industrial applications.
Collaborations
Throughout his career, Kotaka has collaborated with prominent figures in the field, including his coworkers Shinji Ohtomo and Yusaku Kohinata. These collaborations have fostered an environment of shared knowledge and advanced research, contributing to the advancement of material solutions in their industry.
Conclusion
In summary, Hidehiro Kotaka is a respected inventor whose groundbreaking work on resin compositions and liquid crystal polyesters marks a significant advancement in material science. His contributions continue to influence the ongoing development of high-performance materials at Sumitomo Chemical Company, Limited, showcasing the enduring impact of innovative thinking on the industry.