Patents by Inventor Kazuhiko Serizawa

Kazuhiko Serizawa 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).

  • Oil application roller for use in an image-forming apparatus
    Patent number: 6652433
    Abstract: An oil application roller has a core shaft and an oil retention/supply layer formed to cover the outer peripheral surface of the core shaft. The oil retention/supply layer includes a porous elastic material which exhibits no substantial swelling against an offset-preventing oil used, and is impregnated with a mixture containing an offset-preventing oil and a curable oil-retention material. The curable oil-retention material is cured.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: November 25, 2003
    Assignees: Nitto Kogyo Co. Ltd., Hodaka Kogyo
    Inventors: Youichi Ishikawa, Kazuhiko Serizawa