Patents by Inventor Takuma Washizuka

Takuma Washizuka 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).

  • Printing apparatus, printing system, and printing method
    Patent number: 7708367
    Abstract: The present invention provides a printing apparatus, a printing system, and a printing method which can excellently print various images while taking the advantages of driving of a print head in a time divisional manner. Dispersive driving control or sequential driving control is selected in accordance with the attributes of an image to be printed to drive a plurality of print element groups in the print head in a time divisional manner under the selected dispersive or sequential driving control. The dispersive driving control drives the plurality of print element groups in a time divisional manner so as to sequentially drive the print element groups not located close to each other. The sequential driving control drives the plurality of print element groups in a time divisional manner so as to sequentially drive the print element groups located close to each other.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: May 4, 2010
    Assignee: Canon Finetech Inc.
    Inventors: Kazuo Onodera, Takuma Washizuka, Masato Yajima
  • PRINTING APPARATUS, PRINTING SYSTEM, AND PRINTING METHOD
    Publication number: 20080036845
    Abstract: The present invention provides a printing apparatus, a printing system, and a printing method which can excellently print various images while taking the advantages of driving of a print head in a time divisional manner. Dispersive driving control or sequential driving control is selected in accordance with the attributes of an image to be printed to drive a plurality of print element groups in the print head in a time divisional manner under the selected dispersive or sequential driving control. The dispersive driving control drives the plurality of print element groups in a time divisional manner so as to sequentially drive the print element groups not located close to each other. The sequential driving control drives the plurality of print element groups in a time divisional manner so as to sequentially drive the print element groups located close to each other.
    Type: Application
    Filed: August 2, 2007
    Publication date: February 14, 2008
    Inventors: KAZUO ONODERA, TAKUMA WASHIZUKA, MASATO YAJIMA