Patents by Inventor Takanori FUKUZAWA

Takanori FUKUZAWA 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
    Patent number: 11491807
    Abstract: A printing apparatus includes a rotary shaft configured to rotate while holding a roll body of a printing medium, a first motor configured to rotate the rotary shaft, a roller pair configured to transport the printing medium downstream by rotating in a state of pinching the printing medium, a second motor configured to rotate the roller pair, a first sensor configured to detect a tip end or a feature of the printing medium, a second sensor configured to detect the tip end or feature of the printing medium, and an outer diameter calculating unit configured to calculate an outer diameter of the roll body based on detection by the first sensor and detection by the second sensor, wherein the outer diameter calculating unit calculates an outer diameter of the roll body before the tip end of the printing medium is pinched by the roller pair.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: November 8, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Takanori Fukuzawa, Kenichi Kiryu
  • PRINTING APPARATUS
    Publication number: 20210300073
    Abstract: A printing apparatus includes a rotary shaft configured to rotate while holding a roll body of a printing medium, a first motor configured to rotate the rotary shaft, a roller pair configured to transport the printing medium downstream by rotating in a state of pinching the printing medium, a second motor configured to rotate the roller pair, a first sensor configured to detect a tip end or a feature of the printing medium, a second sensor configured to detect the tip end or feature of the printing medium, and an outer diameter calculating unit configured to calculate an outer diameter of the roll body based on detection by the first sensor and detection by the second sensor, wherein the outer diameter calculating unit calculates an outer diameter of the roll body before the tip end of the printing medium is pinched by the roller pair.
    Type: Application
    Filed: March 23, 2021
    Publication date: September 30, 2021
    Inventors: Takanori FUKUZAWA, Kenichi KIRYU