Location History:
- Kawasaki, JP (1982 - 1983)
- Yokohama, JP (1987 - 1991)
Company Filing History:
Years Active: 1982-1991
Title: Junzo Nakajima: Innovator in Image Forming Technology
Introduction
Junzo Nakajima is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of image forming technology, holding a total of 8 patents. His work focuses on enhancing the efficiency and effectiveness of image forming apparatuses.
Latest Patents
Among his latest patents is a "Process unit for image forming apparatus, including a charging brush." This invention involves a process unit designed to be loaded into an image forming apparatus. It includes a photosensitive drum that rotates and a conductive brush type charger that uniformly charges the surface of the photosensitive drum. The conductive brush fibers touch the surface of the drum and apply a charge voltage ranging from 500 V to 1,500 V. This ensures a uniform charge across the drum's surface.
Another notable patent is the "Brush contact type charging unit in an image forming apparatus." This invention features a brush type charging unit equipped with a constant-current regulated power supply. It supplies a constant current to a moving photosensitive medium through a conductive brush fiber. This design allows for uniform charging of the photosensitive medium, even under varying atmospheric conditions. The constant-current regulated power supply includes a pulse removing circuit, ensuring consistent performance despite the presence of pinholes in the medium.
Career Highlights
Junzo Nakajima is currently employed at Fujitsu Corporation, where he continues to innovate in the field of image forming technology. His work has significantly impacted the efficiency of image processing systems, making them more reliable and effective.
Collaborations
Throughout his career, Nakajima has collaborated with notable colleagues, including Masatoshi Kimura and Masahiro Wanou. These collaborations have fostered a creative environment that has led to numerous advancements in their field.
Conclusion
Junzo Nakajima's contributions to image forming technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of more efficient image processing systems.