Company Filing History:
Years Active: 1993-1995
Title: Shigeo Yatsu: Innovator in Rigid Foamed Polyurethane Technology
Introduction: Shigeo Yatsu, an accomplished inventor from Tatebayashi, Japan, has made significant contributions to the field of polyurethane technology. With a total of two patents to his name, Yatsu's work primarily focuses on methods for the mixing and production of rigid foamed polyurethane, which is essential for various applications.
Latest Patents: Yatsu's latest patents showcase his innovative approach to creating more efficient and environmentally friendly foamed polyurethane. His first patent describes a method for mixing a polyol with a low-boiling foaming agent, specifically chlorodifluoromethane (designated as HCFC-22). This method allows for the uniform supply of materials to the foaming system, resulting in a homogeneous reaction and high-quality rigid foamed polyurethane with excellent cell uniformity. The second patent focuses on the process for manufacturing a rigid foamed polyurethane that contains closed cells filled with HCFC-22 and CO₂ gas. This technology not only mitigates the environmental impact of conventional foaming agents linked to ozone depletion but also ensures superior thermal insulating properties in extremely cold conditions.
Career Highlights: Yatsu is currently employed at Sanyo Electric Co., Ltd., a company renowned for its commitment to innovation in technology. His work has significantly enhanced the manufacturing processes for rigid foamed polyurethanes, helping to create products that meet both performance and environmental standards.
Collaborations: Throughout his career, Yatsu has collaborated with other talented professionals, including Minoru Takezawa and Fumihisa Endo. These partnerships have contributed to the advancement of the technologies he has developed, underscoring the importance of teamwork in the field of innovation.
Conclusion: Shigeo Yatsu stands out as a dedicated inventor whose patents reflect his commitment to improving polyurethane technology. His innovative methods not only pave the way for more effective production processes but also promote sustainability within the industry. As demands for environmentally friendly solutions grow, Yatsu's contributions will likely continue to influence the future of rigid foamed polyurethane manufacturing.