Masahisa Maeda

Title: Masahisa Maeda: Innovator in Toner Technology

Introduction

Masahisa Maeda is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of toner technology, holding a total of 10 patents. His innovative work has led to advancements in the production and efficiency of toners and developing agents.

Latest Patents

Maeda's latest patents focus on the development of toner and processes for producing toner and two-component developing agents. One of his notable inventions involves a toner or two-component developer created by mixing, aggregating, and heating resin particles, colorant particles, and wax particles in an aqueous medium. The resulting toner exhibits a smaller particle size and a sharp particle size distribution, eliminating the need for a classification process. This innovation enhances the toner’s longevity and minimizes transfer voids or scattering during transfer.

Another significant patent describes a toner produced by mixing resin particle dispersion, colorant particle dispersion, and wax particle dispersion, followed by heating and aggregating the mixture. The use of nonionic surface-active agents in the process contributes to the toner’s efficiency, allowing for oilless fixing and high transfer efficiency.

Career Highlights

Throughout his career, Masahisa Maeda has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has played a crucial role in shaping his expertise in toner technology.

Collaborations

Maeda has collaborated with esteemed colleagues, including Yasuhito Yuasa and Noriaki Hirota. Their combined efforts have contributed to the advancement of toner technology and its applications.

Conclusion

Masahisa Maeda's innovative work in toner technology has led to significant advancements in the field. His contributions continue to influence the efficiency and effectiveness of toners and developing agents in various applications.