Company Filing History:
Years Active: 1978-1982
Title: Hakuji Katsura: Innovator in Ultraviolet Protection and Solubilizing Agents
Introduction
Hakuji Katsura, an accomplished inventor based in Yokohama, Japan, is known for his significant contributions to the fields of chemistry and materials science. With three patents to his name, Katsura has developed innovative solutions that enhance product safety and functionality, particularly in cosmetics.
Latest Patents
Katsura's latest inventions include an ultraviolet absorbing agent, which introduces compounds designed to provide excellent UV protection while minimizing irritation to the skin. This innovation features a unique formula wherein R1 is a branched alkyl group with seven carbon atoms, R2 is either a methyl or ethyl group, and R3 is an ortho or para methoxy group. Additionally, he has patented a novel nonionic compound—specifically, a polyoxypropylene polyoxyethylene addition ether derived from higher branched primary saturated alcohols. This compound is particularly effective as a solubilizing agent in high concentration solutions of lower alcohols in water, making it suitable for cosmetic formulations such as transparent hair preparations, colognes, aftershaving lotions, and skin lotions.
Career Highlights
Over the years, Hakuji Katsura has made impactful strides in the cosmetic and chemical industries through his work with renowned companies. Notably, he has been associated with Shiseido Company, Limited and Toray Industries, Inc., where he has collaborated on various research and development projects aimed at improving product efficacy and safety.
Collaborations
Throughout his career, Katsura has teamed up with talented professionals, including fellow innovators Kenichi Tomita and Keiichi Uehara. These collaborations have facilitated the sharing of ideas and expertise, allowing for the development of transformative products that meet the evolving needs of consumers.
Conclusion
Hakuji Katsura stands out as a notable inventor whose work in developing ultraviolet absorbing agents and nonionic compounds has left a lasting impact on the cosmetics industry. His innovative spirit and collaborative efforts with leading companies and talented individuals underscore his commitment to and passion for enhancing product safety and functionality. As he continues to push the boundaries of invention, Katsura's contributions are sure to inspire future innovations.