Patents by Inventor Shigeo Oonuma

Shigeo Oonuma 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).

  • Intermediate transfer belt, method for producing the same, and image forming apparatus
    Patent number: 9791808
    Abstract: The surface layer of an intermediate transfer belt has a concavo-convex pattern formed thereon by spherical resin particles which are independently embedded in the layer so that the embedment rate in the thickness direction of the layer is higher than 50% but lower than 100%.
    Type: Grant
    Filed: January 17, 2011
    Date of Patent: October 17, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Jun Aoto, Hidetaka Kubo, Kenichi Mashiko, Sayaka Katoh, Shinichi Nitta, Shigeo Oonuma
  • INTERMEDIATE TRANSFER BELT, METHOD FOR PRODUCING THE SAME, AND IMAGE FORMING APPARATUS
    Publication number: 20110177238
    Abstract: An intermediate transfer belt including a resin layer, which is a surface layer of the intermediate transfer belt, wherein the resin layer has a concavo-convex pattern formed by spherical resin particles which are independently embedded in the resin layer so that the embedment rate of the spherical resin particles in the thickness direction of the resin layer is higher than 50% but lower than 100%.
    Type: Application
    Filed: January 17, 2011
    Publication date: July 21, 2011
    Applicant: RICOH COMPANY, LTD.
    Inventors: Jun Aoto, Hidetaka Kubo, Kenichi Mashiko, Sayaka Katoh, Shinichi Nitta, Shigeo Oonuma