Patents by Inventor Syouji Tajima

Syouji Tajima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4425382
    Abstract: The present invention provides an improved method for manufacturing a developer carrier for use in a device for developing an electrostatic latent image, for example, formed on a photosensitive member. The present method allows to make a developer carrier which is durable and which can carry out ideal developing performance. In accordance with the present method, after forming a first adhesive layer on a support, conductive particles are deposited, followed by the step of forming a second adhesive layer to have the particles embedded therein. Then, the resulting structure is ground to have at least some of the particles exposed at the ground surface.
    Type: Grant
    Filed: October 28, 1982
    Date of Patent: January 10, 1984
    Assignee: Ricoh Company, Ltd.
    Inventor: Syouji Tajima