Company Filing History:
Years Active: 1983-1984
Title: Kazumi Iijima: Innovator in Reaction Injection Molding and Fire Retardant Urethane Foam
Introduction
Kazumi Iijima is a notable inventor based in Katsuta, Japan. He has made significant contributions to the field of materials science, particularly in reaction injection molding and fire retardant polyurethane foams. With a total of 2 patents, Iijima's work has advanced the capabilities of molded articles and foam compositions.
Latest Patents
Iijima's latest patents include a "Reaction injection molded article with threads and method of molding same." This invention involves a reaction injection molded article that incorporates threaded members, such as threaded inserts and helicoils, which are securely held in place by a high-density surface layer. The molding process utilizes a specific mixture of A and B liquids, which include polyether polyol, catalysts, water, and various additives to achieve the desired properties.
Another significant patent is the "Composition for fire retardant urethane foam." This composition comprises polyols and isocyanates that yield fire retardant, high impact, and heat resistant urethane foams. The formulation includes alkylene oxide adducts and fire retardants, along with conventional catalysts and stabilizers, enhancing the foam's performance in various applications.
Career Highlights
Kazumi Iijima is currently employed at Hitachi, Ltd., where he continues to innovate and develop new materials. His work has been instrumental in advancing the technology behind reaction injection molding and polyurethane foams, making significant impacts in various industries.
Collaborations
Iijima has collaborated with notable coworkers, including Masao Gotoh and Hitoshi Yokono. Their combined expertise has contributed to the successful development of innovative materials and processes.
Conclusion
Kazumi Iijima's contributions to the fields of reaction injection molding and fire retardant materials have established him as a key figure in materials science. His patents reflect a commitment to innovation and excellence in engineering.