Kouichi Shiina

Title: Innovations by Kouichi Shiina in Toner Resin Composition

Introduction

Kouichi Shiina is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of resin compositions, particularly in the development of toners used in printing technologies. His innovative work has led to the filing of a patent that showcases his expertise and creativity.

Latest Patents

Kouichi Shiina holds a patent for a resin composition for toners, which is identified as a unique formulation. The patent describes a resin composition that includes a resin obtained by reacting a styrene polymer containing an active hydrogen group and having a peak molecular weight (Mp) of not less than 30,000 but not more than 2,000,000. Additionally, it incorporates a styrene polymer containing a carboxyl group with a peak molecular weight (Mp) of not less than 2,000 but not more than 20,000, along with a crosslinkable compound that has an isocyanate group. This innovative composition enhances the performance and quality of toners used in various applications.

Career Highlights

Kouichi Shiina is associated with Mitsui Chemicals, Inc., a leading company in the chemical industry. His role at the company has allowed him to focus on research and development, contributing to advancements in material science and technology. His work has been instrumental in creating high-quality products that meet the demands of modern printing solutions.

Collaborations

Throughout his career, Kouichi has collaborated with several talented individuals, including Linwood Blanton Muire, III, and Hiroyuki Takei. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Kouichi Shiina's contributions to the field of toner resin compositions exemplify the impact of innovative thinking in technology. His patent and work at Mitsui Chemicals, Inc. highlight the importance of research and collaboration in driving advancements in the industry.