This inventor holds 2 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Kao Corporation, Toyo Ink Manufacturing Company. Active years: 1998-2011.
Company Filing History:
Years Active: 1998-2011
Title: Innovations by Inventor Hideyuki Ishiguro
Introduction
Hideyuki Ishiguro, an inventive mind based in Tokyo, Japan, has made notable contributions to the field of absorbent materials. With a total of two patents registered, his work reflects a keen understanding of both chemical properties and practical applications.
Latest Patents
Ishiguro's latest patents include a unique wetness indicator composition designed for absorbent articles. This innovative composition features a pH indicator that is virtually colorless at a neutral pH of 7 but develops color in acidic environments. The formulation consists of 0.1% to 5% by weight of this indicator, combined with a surfactant (20% to 90%), a polyalkylene glycol (5% to 55%), a polymer with a carboxyl group (0% to 70%), and an acidic substance (0.1% to 5%). Additionally, Ishiguro has developed a method for indicating time or temperature-time accumulated values through a color change mechanism. This method employs an oxidation-polymerizable dyestuff that, when brought into contact with an oxidizing agent, polymerizes over time, creating a visible color change.
Career Highlights
Throughout his career, Hideyuki Ishiguro has worked with prominent companies, including Toyo Ink Manufacturing Company and Kao Corporation. His experience within these leading organizations has undoubtedly influenced his innovative approach to product development in the absorbent materials sector.
Collaborations
Ishiguro has collaborated with talented professionals such as Masato Yanagi and Makoto Dohi. These collaborations have likely contributed to the innovation and refinement of his patented technologies, showcasing the strength of teamwork in advancing scientific discoveries.
Conclusion
In summary, Hideyuki Ishiguro is a dedicated inventor who has significantly influenced the field of absorbent articles through his inventive patents. His work not only enhances consumer products but also demonstrates the potential for ongoing innovation in material science. As he continues to explore new avenues in research and development, his contributions will likely pave the way for future advancements in this vital industry.