Location History:
- Chiba, JP (2018 - 2021)
- Ichihara, JP (2021)
Company Filing History:
3 out of 124 
1 out of 252 
1 out of 7 Years Active: 2018-2025
Title: **Sayuri Kikunaga: Innovator in Cosmetic Polymers**
Introduction
Sayuri Kikunaga, an accomplished inventor from Chiba, Japan, is known for her contributions to the field of cosmetic chemistry. With a total of three patents to her name, she has developed innovative solutions that enhance the effectiveness and quality of cosmetic products.
Latest Patents
Kikunaga's most recent patents reflect her commitment to advancing cosmetic formulations. One notable invention is a copolymer with a carbosiloxane dendrimer structure that includes an acidic group. This copolymer demonstrates exceptional water resistance and sebum resistance while maintaining high washability. The innovation is based on a monomer composition designed with a carbosiloxane dendrimer monomer and an unsaturated monomer containing at least one acidic group, which promotes the desirable properties of the final cosmetic product.
Another significant patent focuses on a treatment agent for cosmetic powders, containing a reactive organosiloxane. This agent improves the lipophilicity of cosmetic powders, allowing for enhanced performance and user experience. Kikunaga’s inventions are paving the way for new formulations that not only perform better but also provide a pleasant feel when applied.
Career Highlights
Kikunaga has spent her career working with respected organizations like Dow Toray Co., Ltd. and Dow Corning Toray Company, Ltd. Here, she collaborated with teams to bring her innovative ideas to life, focusing on the development of advanced cosmetic materials that cater to the evolving needs of consumers.
Collaborations
Throughout her career, Sayuri Kikunaga has worked alongside accomplished colleagues such as Seiji Hori and Tatsuo Souda. These professionals have played a crucial role in promoting innovative research and development initiatives in the field of cosmetic ingredients.
Conclusion
Sayuri Kikunaga stands out as a prominent inventor who is shaping the future of cosmetics through her innovative research and patented technologies. Her contributions play a pivotal role in improving product performance, making her a significant figure in the field of cosmetic chemistry.