Kazuhito Ooki

Title: Kazuhito Ooki: Innovator in Pigment Dispersants

Introduction

Kazuhito Ooki is a notable inventor based in Chuo-ku, Japan. He has made significant contributions to the field of pigment dispersants, which are essential in various applications, including color filters and image display devices. His innovative work has led to the development of a unique patent that enhances the performance of pigments in various industries.

Latest Patents

Kazuhito Ooki holds a patent for "Pigment dispersants and their use." This patent describes a pigment dispersant that includes a composite pigment formed of a diketopyrrolopyrrole pigment with a sulfonic group and another diketopyrrolopyrrole pigment without a sulfonic group. The patent specifies that the number of sulfonic groups per molecule in the composite pigment ranges from 0.05 to 0.5. Additionally, the patent covers a colored composition for color filters, a process for fabricating a color filter, and an image display device that incorporates the color filter. These innovations utilize the pigment dispersant either directly or indirectly.

Career Highlights

Kazuhito Ooki is associated with Dainichiseika Color & Chemicals Mfg. Co., Ltd., where he has been instrumental in advancing the company's research and development efforts. His expertise in pigment technology has positioned him as a key figure in the industry, contributing to the company's reputation for innovation.

Collaborations

Kazuhito Ooki has collaborated with notable colleagues, including Hiroaki Saikatsu and Hiromitsu Yanagimoto. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Kazuhito Ooki's contributions to the field of pigment dispersants exemplify his innovative spirit and dedication to advancing technology. His patent and work at Dainichiseika Color & Chemicals Mfg. Co., Ltd. highlight his role as a significant inventor in the industry.