Kumiko Iizasa

Title: Kumiko Iizasa: Innovator in Ink Technology

Introduction

Kumiko Iizasa is a prominent inventor based in Kita-adachi-gun, Japan. She has made significant contributions to the field of ink technology, particularly in the development of inks for inkjet printing. With a total of 3 patents to her name, her work focuses on enhancing the performance and quality of printed materials.

Latest Patents

One of her latest patents addresses the need for an ink that can be primarily used for inkjet printing. The invention aims to provide an ink that produces printed matter with excellent abrasion resistance and high color development, even with a short drying time after printing. This ink includes a polymer with a carboxyl group and a structure derived from styrenesulfonic acid, along with another polymer that is dispersed in water.

Another significant patent involves a method for manufacturing aqueous pigment dispersion and aqueous ink for inkjet recording. This method includes a step of dispersing a mixture containing a pigment, an anionic group-containing organic polymer compound, a basic compound, and a specific amount of alkylene oxide adduct with a polyamine structure. The process is designed to enhance the quality and stability of the ink.

Career Highlights

Kumiko Iizasa is currently employed at Dic Corporation, where she continues to innovate in the field of ink technology. Her work has been instrumental in advancing the capabilities of inkjet printing, making it more efficient and effective for various applications.

Collaborations

Throughout her career, Kumiko has collaborated with notable colleagues, including Shinichi Okada and Masahiro Kido. These collaborations have contributed to her success and the development of her innovative patents.

Conclusion

Kumiko Iizasa is a trailblazer in ink technology, with her inventions significantly impacting the industry. Her dedication to improving ink formulations and manufacturing methods showcases her commitment to innovation and excellence.