Katsuhiko Mizushima

Title: **Katsuhiko Mizushima: Innovator in Electrostatic Image Developing Toner**

Introduction

Katsuhiko Mizushima is a prominent inventor based in Saitama, Japan. With a portfolio of 2 patents, Mizushima's work focuses on advancements in materials used for electrostatic image developing toners. His innovative creations have significantly contributed to the field of printing technology.

Latest Patents

Mizushima's latest patents include two distinct formulations for urethane-modified polyester resins that are utilized as binder resins for toners. The first patent describes a unique electrostatic image developing toner which features a urethane-modified polyester resin with a total acid value not greater than 10 KOH mg/g. This resin is crafted by kneading, in a molten state, a base polyester resin (A) with specific acid and hydroxyl values, combined with a low-molecular-weight polyester resin (B) and a polyisocyanate compound. These components are mixed in precise weight ratios to achieve optimal performance.

His second patent further elaborates on a similar formulation, ensuring the creation of a high-quality toner with excellent charge characteristics. Both innovations demonstrate Mizushima’s expertise in developing materials that enhance the efficacy of electrostatic imaging processes.

Career Highlights

Katsuhiko Mizushima is currently associated with Mitsui Chemicals, Inc., a leading company in the chemical industry. His role involves research and development specifically targeting advancements in toner technologies. Over the years, Mizushima has established himself as a key contributor to innovative developments within his field.

Collaborations

Throughout his career, Mizushima has collaborated with esteemed colleagues, including Hiroshi Maekawa and Kazuo Hisamatsu. Their combined efforts in research and innovation have propelled the development of new technologies within the industry, fostering a culture of creativity and problem-solving.

Conclusion

Katsuhiko Mizushima’s contributions to the field of electrostatic image developing toners underline the importance of innovation in materials science. His patents reflect a deep understanding of polyester resin formulations, enhancing the efficiency and quality of printing technologies. As he continues to work with Mitsui Chemicals, Inc., the impact of his work is expected to resonate throughout the industry for years to come.