Ikuo Itoh

Title: **Ikuo Itoh: Innovator in Electrophotographic Technology**

Introduction

Ikuo Itoh, an accomplished inventor based in Nara, Japan, has made significant contributions to the field of electrophotography. With a remarkable portfolio of six patents, his work primarily focuses on developing devices that enhance image formation in copying machines.

Latest Patents

One of Itoh’s latest patents involves the development of a device equipped with a scraping unit designed to create a stirring area. This innovative developing device is capable of mixing developers with magnetic toners, ensuring that the developers maintain a uniform magnetic toner density as they are provided to a photoconductor in a copying machine. The device features a developing tank containing a roller made up of a sleeve and a magnetic body, which is configured to rotate concentrically. Alongside this, a supply tank for magnetic toners is strategically positioned adjacent to the developing tank, allowing for efficient delivery of toners through a supply port. Furthermore, the device includes a control unit, which manages the quantity of developers to be supplied to the sleeve, and a scraping unit that stirs the developers and toners together, utilizing a magnetic force to create a continuous flow.

Another notable patent covers a positive/negative image forming method and apparatus for an electrophotographic image formation system. This invention encompasses a photoreceptor that forms an electrostatic image based on an original image, including a main charger that uniformly charges the photoreceptor, alongside interchangeable developer units that contain toners or developers charged to match the polarity of the main charger. This patent also outlines the inclusion of a transference charger for transferring the toner image from the photoreceptor and a system to switch polarities effectively, enhancing the image formation process.

Career Highlights

Ikuo Itoh is currently associated with Sharp Kabushiki Kaisha Corporation, known for its commitment to innovation in electronic products. His tenure at Sharp has been marked by breakthroughs in developing technologies that significantly improve the functionality and efficiency of electrophotographic systems.

Collaborations

Throughout his career, Itoh has collaborated with esteemed colleagues like Toyoki Tanaka and Shunju Anzai. Their combined expertise has contributed to numerous advancements within the field, paving the way for enhanced technologies in copying and printing solutions.

Conclusion

Ikuo Itoh’s inventive spirit and dedication to improving electrophotographic technology have firmly established him as a leading figure in his industry. With six patents to his name, his work continues to shape the future of imaging technology and its applications in various sectors. As part of Sharp Corporation, Itoh remains at the forefront of innovation, ensuring that the development of efficient and effective imaging solutions persists.