Patents by Inventor Yoshimi Yamanaka

Yoshimi Yamanaka 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).

  • Image forming apparatus
    Patent number: 4819025
    Abstract: An image forming apparatus comprises document scan means for scanning a document a plurality of times to reproduce an image, image forming means for forming the image scanned by the document scan means onto a recording medium, and control means for controlling the document scan means to reinitiate the scan by the document scan means when a scan error of the document scan means is detected.
    Type: Grant
    Filed: May 31, 1988
    Date of Patent: April 4, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuji Takahashi, Yoshimi Yamanaka, Yutaka Ishikawa