Patents by Inventor Kazuhiro Oosaki

Kazuhiro Oosaki 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).

  • Publication number: 20090033022
    Abstract: A paper feed roller which can secure rigidity and precision and can cut the machining cost and material cost, as well as a fabrication method thereof are provided. A paper feed roller (10) comprises a hollow pipe member (11) forming a paper feed portion for feeding paper, and a pair of shaft members (12) fastened concentrically on to both end portions of the pipe member (11). The pipe member (11) comprises a hollow steel pipe (13), a synthetic resin coating layer (14) for covering an outer surface of the steel pipe (13), and a synthetic resin friction coating layer (18) containing hard particles (16) formed on an outer surface of the coating layer (14).
    Type: Application
    Filed: October 28, 2002
    Publication date: February 5, 2009
    Inventors: Takashi Iki, Kazuhiro Oosaki