Koji Funaba

Title: The Innovations of Koji Funaba

Introduction

Koji Funaba is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of electrostatic charge image development, holding a total of 6 patents. His work has advanced the technology used in image forming apparatuses, showcasing his expertise and innovative spirit.

Latest Patents

Among his latest patents are a toner for electrostatic charge image development, an electrostatic charge image developer, and an image forming apparatus. The toner for electrostatic charge image development features toner particles that contain a binder resin with 90 mass % or more of an amorphous resin. The differential molecular weight distribution curve of the toner, as measured by gel permeation chromatography, reveals a maximum peak Ma in a molecular weight range of 2,500 or more and 8,000 or less, and a minimum value Mm in a molecular weight range of more than 8,000 and less than 280,000. The area ratio A/B of the differential molecular weight distribution curve is defined as 5.5 or more and 10 or less. The image forming apparatus includes an image holding member, a charging unit, an electrostatic image forming unit, a development unit, a transfer unit, a fixing unit, and a cleaning unit. The toner used in this apparatus contains both an amorphous resin and a crystalline resin, along with paraffin wax, which has a melting temperature between 60°C and 80°C.

Career Highlights

Koji Funaba has worked with prominent companies such as Fuji Xerox Co., Ltd. and Fujifilm Business Innovation Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the imaging sector.

Collaborations

Some of his notable coworkers include Masahiro Uchida and Masataka Kuribayashi. Their collaboration has likely fostered an environment of innovation and creativity, leading to advancements in their respective fields.

Conclusion

Koji Funaba's contributions to the field of electrostatic charge image development are significant and impactful. His patents reflect a deep understanding of the technology and a commitment to innovation. His work continues to influence the industry and inspire future inventors.