Keiziro Yagi

Title: Keiziro Yagi: Innovator in Electrophotographic Technology

Introduction

Keiziro Yagi is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electrophotographic technology, particularly in the design and functionality of roller fixing units.

Latest Patents

Yagi holds a patent for a "Controller for roller fixing unit for color electrophotographic apparatus." This invention involves a roller fixing unit that includes a fixing roller and a pressing roller, which rotate in contact with each other. At least one of these rollers functions as a heating roller. The control unit connects a power source to the heating device for a predetermined time based on the detected surface temperature of the heating roller. This ensures that the surface temperature reaches a set point before the first sheet of print medium arrives at the fixing roller, optimizing the printing process.

Career Highlights

Yagi's career is marked by his innovative approach to improving electrophotographic apparatus. His work has enhanced the efficiency and effectiveness of color printing technologies. He is associated with Hitachi, Ltd., a leading company in technology and innovation.

Collaborations

Yagi has collaborated with notable colleagues, including Toshiya Satoh and Akiko Oikawa. Their teamwork has contributed to advancements in the field and has fostered a collaborative environment for innovation.

Conclusion

Keiziro Yagi's contributions to electrophotographic technology exemplify the impact of innovation in the printing industry. His patent reflects a commitment to enhancing the efficiency of color printing processes.