Kengo Yasui

Title: Kengo Yasui: Innovator in Pigment Technology

Introduction

Kengo Yasui is a notable inventor based in Kamisu, Japan. He has made significant contributions to the field of pigment technology, holding a total of 4 patents. His work focuses on developing new compounds that enhance color quality and application versatility.

Latest Patents

Yasui's latest patents include a quinophthalone compound, which is a new yellow pigment known for its excellent brightness and coloring power. This innovation involves the dimerization of a specific quinophthalone skeleton, resulting in more selective absorption and transmittance. The dimerization method has been refined to suppress excessive reddish tones by using a methylene chain as a spacer. Additionally, improvements in dispersibility have been achieved through polyhalogenation and the introduction of an imide structure. Another significant patent is for a quinacridone pigment with a low content of primary aromatic amines. This pigment is produced through a washing process or by adding an oxidizing agent to a pigment slurry, making it suitable for various applications, including gravure and flexo inks, colorants for plastics, and more.

Career Highlights

Kengo Yasui is currently associated with Dic Corporation, where he continues to innovate in the field of pigments. His work has not only advanced pigment technology but has also contributed to safer and more effective coloring agents for various industries.

Collaborations

Yasui collaborates with talented coworkers such as Kozue Sunouchi and Kazuhiro Sugiyama, enhancing the innovative capacity of his team.

Conclusion

Kengo Yasui's contributions to pigment technology through his patents reflect his commitment to innovation and quality. His work continues to influence the industry positively, showcasing the importance of research and development in creating advanced materials.