Asumi Matsumoto

Title: Asumi Matsumoto: Innovator in Developing Agents

Introduction

Asumi Matsumoto is a notable inventor based in Sunto-gun, Japan. She has made significant contributions to the field of developing agents, holding a total of 3 patents. Her innovative work focuses on methods for producing developing agents that enhance the quality and efficiency of toner materials.

Latest Patents

Matsumoto's latest patents include a method for producing a developing agent that involves subjecting a toner material dispersion liquid to mechanical shearing. This process transforms the granular mixture into fine particles, resulting in a dispersion liquid with a smaller particle diameter than the original mixture. The method operates under specific conditions, including a temperature at or above the glass transition point of the binder resin and a pressure of 10 MPa or more. Additionally, she has developed a method for manufacturing a developing agent that incorporates a coarse particle containing a polyester-based resin and a coloring agent in an aqueous medium, facilitating the formation of toner particles through dispersion and coagulation.

Career Highlights

Throughout her career, Asumi Matsumoto has worked with prominent companies such as Kabushiki Kaisha Toshiba and Toshiba Tec Kabushiki Kaisha. Her experience in these organizations has allowed her to refine her expertise in developing agents and contribute to advancements in the field.

Collaborations

Matsumoto has collaborated with notable colleagues, including Takashi Urabe and Takayasu Aoki. These partnerships have fostered a creative environment that has led to innovative solutions in developing agent technology.

Conclusion

Asumi Matsumoto's contributions to the field of developing agents demonstrate her commitment to innovation and excellence. Her patents reflect her expertise and dedication to advancing technology in this area.