Patents by Inventor Kiyoshi Suyama

Kiyoshi Suyama 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).

  • Patent number: 6607317
    Abstract: There is provided a printing apparatus which is capable of increasing the printing speed by employing a multi-head structure while maintaining or enhancing print quality. The printing apparatus prints on a print medium by using N print heads, where N is an integer equal to or larger than 2, assuming that two axes orthogonal to each other on a two-dimensional rectangular coordinate system are set to an X axis and a Y axis, each of the print heads being capable of printing M dots in a direction along the Y axis simultaneously, where M is an integer equal to or larger than 3, and at the same capable of printing M dot lines each extending in a direction along the X axis, by relative scan on the print medium in the direction along the X axis, the M dot lines being arranged side by side in the direction along the Y axis.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: August 19, 2003
    Assignee: Seiko Epson Corporation
    Inventors: Kazuaki Morozumi, Kiyoshi Suyama, Nobutoshi Otsuka, Atsushi Yamazaki
  • Publication number: 20020114652
    Abstract: There is provided a printing apparatus which is capable of increasing the printing speed by employing a multi-head structure while maintaining or enhancing print quality. The printing apparatus prints on a print medium by using N print heads, where N is an integer equal to or larger than 2, assuming that two axes orthogonal to each other on a two-dimensional rectangular coordinate system are set to an X axis and a Y axis, each of the print heads being capable of printing M dots in a direction along the Y axis simultaneously, where M is an integer equal to or larger than 3, and at the same capable of printing M dot lines each extending in a direction along the X axis, by relative scan on the print medium in the direction along the X axis, the M dot lines being arranged side by side in the direction along the Y axis.
    Type: Application
    Filed: January 10, 2002
    Publication date: August 22, 2002
    Inventors: Kazuaki Morozumi, Kiyoshi Suyama, Nobutoshi Otsuka, Atsushi Yamazaki