Company Filing History:
Years Active: 1993-2004
Title: Innovations of Hiroshi Kitagawa
Introduction
Hiroshi Kitagawa is a notable inventor based in Wakayama, Japan. He has made significant contributions to the field of polyurethane foam technology, holding a total of six patents. His work primarily focuses on developing advanced materials for various applications, particularly in the footwear industry.
Latest Patents
One of his latest patents involves a process for preparing a polyurethane foam. This process includes reacting a polyol with a number-average molecular weight of not less than 1000 and less than 2500 with a polyisocyanate compound in the presence of a catalyst and a blowing agent in a mold. The resulting molded article has a density of 0.4 to 0.8 g/cm and is heated to a temperature of 60 to 100 °C. This polyurethane foam is utilized as a cushioning material, specifically for shoe soles of sports shoes. Another significant patent focuses on microcellular polyurethane elastomer shoe sole components. These components are derived from isocyanate-terminated prepolymers and exhibit exceptional physical properties, including high tensile strength, elongation, resilience, and excellent tear strength.
Career Highlights
Hiroshi Kitagawa is currently associated with Kao Corporation, where he continues to innovate and develop new materials. His work has been instrumental in enhancing the performance and comfort of footwear, particularly in sports applications.
Collaborations
He has collaborated with notable coworkers, including Tetsuaki Fukushima and Shoichiro Harada, contributing to the advancement of their shared projects and innovations.
Conclusion
Hiroshi Kitagawa's contributions to polyurethane foam technology have significantly impacted the footwear industry. His innovative patents and ongoing work at Kao Corporation highlight his dedication to advancing material science.
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.