Patents by Inventor Keigo MATSUSHITA

Keigo MATSUSHITA 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).

  • Method of producing round shape display including polarizing plate
    Patent number: 11294224
    Abstract: Provided is a method of producing a round shape display including a polarizing plate. The round shape display is shaped circularly and has a front face provided with the polarizing plate. In a stated order, the method includes steps of: (a) producing a positioning panel from a material panel including the round shape display, the positioning panel being surrounded by a straight edge shaped linearly and a portion of an outer circumference of the round shape display; (b) positioning the positioning panel; (c) attaching the polarizing plate shaped circularly to the round shape display included in the positioning panel; and (d) removing a portion, of the positioning panel, including the straight edge, and producing the round shape display.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: April 5, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Keigo Matsushita
  • METHOD OF PRODUCING ROUND SHAPE DISPLAY INCLUDING POLARIZING PLATE
    Publication number: 20200319505
    Abstract: Provided is a method of producing a round shape display including a polarizing plate. The round shape display is shaped circularly and has a front face provided with the polarizing plate. In a stated order, the method includes steps of: (a) producing a positioning panel from a material panel including the round shape display, the positioning panel being surrounded by a straight edge shaped linearly and a portion of an outer circumference of the round shape display; (b) positioning the positioning panel; (c) attaching the polarizing plate shaped circularly to the round shape display included in the positioning panel; and (d) removing a portion, of the positioning panel, including the straight edge, and producing the round shape display.
    Type: Application
    Filed: April 2, 2020
    Publication date: October 8, 2020
    Inventor: Keigo MATSUSHITA