Patents by Inventor Yuko Hirota

Yuko Hirota 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).

  • Facsimile apparatus with controllable pixel density for image formation
    Patent number: 5041915
    Abstract: A facsimile apparatus in which the pixel density of image data being received or transmitted can be converted when the image being received or to be transmitted is formed. The apparatus photoelectrically reads a document image at a fixed pixel density and can be manually instructed to execute or not to execute a conversion process on the pixel density of the read image data. If instructed to execute the conversion process the image data whose pixel density has been converted is encoded and transmitted, and if instructed not to execute the conversion process the non-converted image data is transmitted.
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: August 20, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuko Hirota, Shintaro Abe