Location History:
- Ebina, JA (1977)
- Ebina, JP (1980)
Company Filing History:
Years Active: 1977-1980
Title: Innovations by Yoshio Nakajo in Electrophotographic Technology
Introduction
Yoshio Nakajo is a notable inventor based in Ebina, Japan. He has made significant contributions to the field of electrophotographic technology, particularly in the development of fixing devices for copying machines. With a total of 2 patents, Nakajo's work has had a lasting impact on the efficiency and quality of printed materials.
Latest Patents
One of Nakajo's latest patents is a fixing device for use in electrophotographic copying machines. This invention features a contact fusing apparatus that includes a heated roll structure working in conjunction with a pressure roll structure. This design creates a nip through which support material carrying toner images is moved, ensuring that the toner images come into contact with the heated roll structure. The innovation is characterized by the inclusion of stripping means that facilitate the removal of the support material from the heated fuser roll. Additionally, a roller structure is interposed between the stripper means and the nip, which contacts the support material to restrain it while the leading portion is stripped from the heated roll. This method minimizes the curling of copy paper, enhancing the overall quality of the printed output.
Another significant patent by Nakajo is a fixing device in an electrophotographic copying machine. This device incorporates stripping members that are in contact with the surface of a heating roll, along with conveying rolls that hold the support material during the thermal fixing process. Notably, the peripheral speeds of the conveying rolls are higher than that of the heating roll, which contributes to the effective thermal fixing of thermoplastic materials on the image support material.
Career Highlights
Yoshio Nakajo has been associated with Rank Xerox Ltd., where he has played a crucial role in advancing the technology behind electrophotographic copying machines. His innovative designs have not only improved the functionality of these machines but have also set new standards in the industry.
Collaborations
Throughout his career, Nakajo has collaborated with esteemed colleagues such as Shinichi Tsuda and Kenkichi Tagawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Yoshio Nakajo's contributions to electrophotographic technology through his patents have significantly enhanced the performance of copying machines. His innovative approaches continue to influence the industry, ensuring high-quality outputs and efficient processes