Company Filing History:
Years Active: 2002-2011
Title: The Innovations of Toshimitsu Kuroiwa
Introduction
Toshimitsu Kuroiwa is a notable inventor based in Kamakura, Japan. He has made significant contributions to the field of cosmetics, particularly through his innovative designs and methods. With a total of 2 patents, Kuroiwa has demonstrated his expertise and creativity in developing new cosmetic products.
Latest Patents
Kuroiwa's latest patents include a stick-shaped solid cosmetic and a method for producing the same. This stick-shaped solid cosmetic comprises a wax with a melting point of 45°C or higher and liquid oil. The hardness of the top portion is between 0.07 N to 0.38 N, while the hardness of the boundary portion, which is the border between a retained portion in the inner holder and a portion outside of the inner holder, is 0.03 N to 0.31 N higher than the hardness of the top portion. This design allows for smooth spreadability and excellent product strength. Additionally, he has developed a cosmetic stick container that includes a housing sleeve and an inner sleeve that is advanceable and retractable. The cosmetic stick is molded directly inside the housing sleeve, ensuring a secure fit and ease of use.
Career Highlights
Kuroiwa is currently associated with Shiseido Company, Limited, a leading name in the cosmetics industry. His work at Shiseido has allowed him to push the boundaries of cosmetic innovation and contribute to the company's reputation for quality and creativity.
Collaborations
Throughout his career, Kuroiwa has collaborated with talented coworkers such as Yoshiki Koura and Katsumasa Kayatsu. These collaborations have fostered an environment of creativity and innovation, leading to the development of groundbreaking cosmetic products.
Conclusion
Toshimitsu Kuroiwa's contributions to the cosmetics industry through his innovative patents and collaborations highlight his role as a significant inventor. His work continues to influence the field, showcasing the importance of creativity and innovation in product development.