Patents by Inventor Toshio Kitada

Toshio Kitada 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).

  • Roller mold manufacturing apparatus and method
    Patent number: 10401729
    Abstract: In a so-called step-and-repeat method in which a mask pattern is circumferentially written by exposure onto each predetermined region on a surface of a roller mold, an object of the present invention is to improve the spacing accuracy between the mask patterns and to suppress the occurrence of misalignment at a seam when the mask pattern has been written onto a 360-degree circumference.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: September 3, 2019
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Naoto Ito, Toshio Kitada
  • ROLLER MOLD MANUFACTURING APPARATUS AND METHOD
    Publication number: 20150138522
    Abstract: In a so-called step-and-repeat method in which a mask pattern is circumferentially written by exposure onto each predetermined region on a surface of a roller mold, an object of the present invention is to improve the spacing accuracy between the mask patterns and to suppress the occurrence of misalignment at a seam when the mask pattern has been written onto a 360-degree circumference.
    Type: Application
    Filed: May 10, 2013
    Publication date: May 21, 2015
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Naoto Ito, Toshio Kitada
  • Roller mold manufacturing device and manufacturing method
    Patent number: 9000325
    Abstract: A phenomenon where a depicted pattern becomes unclear owing to a rotational runout of a roller mold in the direction of a rotary shaft is suppressed while restraining an increase in the cost.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: April 7, 2015
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Naoto Ito, Toshio Kitada, Hidenari Kiguchiya
  • ROLLER MOLD MANUFACTURING DEVICE AND MANUFACTURING METHOD
    Publication number: 20130068734
    Abstract: A phenomenon where a depicted pattern becomes unclear owing to a rotational runout of a roller mold in the direction of a rotary shaft is suppressed while restraining an increase in the cost.
    Type: Application
    Filed: June 8, 2011
    Publication date: March 21, 2013
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Naoto Ito, Toshio Kitada, Hidenari Kiguchiya