Location History:
- Shiga, JP (1981 - 1985)
- Kusatsu, JP (1987)
Company Filing History:
Years Active: 1981-1987
Title: Hiroshi Ichida: Innovator in Electrophotographic Processes
Introduction
Hiroshi Ichida is a notable inventor based in Shiga, Japan. He has made significant contributions to the field of electrophotography, particularly in the development of processes that enhance image quality. With a total of 3 patents to his name, Ichida's work has had a lasting impact on the industry.
Latest Patents
Ichida's latest patents include innovative methods for color electrophotography. One of his notable inventions is a color electrophotographic process that utilizes a layered photosensitive element. This invention aims to achieve high-quality image reproduction through a specific procedure involving back surface grounding of a photosensitive material sheet. The photosensitive layer consists of titanium dioxide, which is combined with a conductive support to enhance performance.
Another significant patent is a multicolor electrophotographic process that effectively utilizes the photomemory effect of titanium dioxide. This process involves multiple steps, including exposure to an optical image and positive corona charging to form a positive electrostatic latent image. By incorporating negative corona charging and/or AC corona charging, this method allows for the production of multi-color images with good contrast, making it easier to reproduce images stably.
Career Highlights
Hiroshi Ichida is currently associated with Ishihara Sangyo Kaisha, Ltd., where he continues to innovate in the field of electrophotography. His work has been instrumental in advancing the technology used in color reproduction processes.
Collaborations
Ichida has collaborated with notable colleagues such as Sadao Murasawa and Kenichi Ichimura. These collaborations have contributed to the development of advanced technologies in electrophotography.
Conclusion
Hiroshi Ichida's contributions to electrophotography through his innovative patents have significantly enhanced the quality of image reproduction. His work continues to influence the industry, showcasing the importance of innovation in technology.