Kiyoshi Yamaguchi

Title: Kiyoshi Yamaguchi: Innovator in Toner Technology

Introduction

Kiyoshi Yamaguchi is a notable inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of toner technology, particularly in the design of toner cartridges and developing devices. His innovative approach has led to advancements that enhance image quality and stability in printing.

Latest Patents

Yamaguchi holds a patent for a toner agitating and transporting member of a toner cartridge and developing device. This invention aims to provide a toner, a toner cartridge, and a developing device that ensures excellent image quality without defects over extended periods. The design allows for stable agitation and transportation of toner, which contains a specific composition of binder resin, colorant, and wax. The toner is formulated with wax in an amount ranging from 3 to 10% by weight and has a mean particle diameter of 3 to 10 µm. The agitating and transporting member is rotatably arranged within the toner cartridge, maintaining a distance of 0.5 to 3.0 mm from the inner wall of the cartridge's main body.

Career Highlights

Yamaguchi is associated with Fuji Xerox Co., Ltd., where he has contributed to various projects and innovations in printing technology. His work has been instrumental in improving the efficiency and effectiveness of toner cartridges, which are essential components in modern printing systems.

Collaborations

Throughout his career, Yamaguchi has collaborated with notable colleagues, including Koji Fukushima and Yoshihiro Maekawa. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies in the printing industry.

Conclusion

Kiyoshi Yamaguchi's contributions to toner technology exemplify the impact of innovative thinking in enhancing printing solutions. His patent reflects a commitment to quality and efficiency, making him a significant figure in the field.