Patents by Inventor Shouta Sugai

Shouta Sugai 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).

  • Winding core and roll
    Patent number: 10807830
    Abstract: Provided is a winding core which has a cylindrical shape and on which an adhesive tape, formed by an adhesive layer formed on an elongated base film in the longitudinal direction of the base film, is wound as multiple layers, wherein the outer diameter of the winding core is a dimension in which a deviation amount of the adhesive layer in the circumferential direction of the winding core between adjacent inner and outer tape portions of the adhesive tape in the radial direction of the winding core becomes 55 mm or less when the adhesive tape is wound on the winding core.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: October 20, 2020
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Megumi Kodama, Takahiro Tokuyasu, Shouta Sugai
  • WINDING CORE AND ROLL
    Publication number: 20150129706
    Abstract: Provided is a winding core which has a cylindrical shape and on which an adhesive tape, formed by an adhesive layer formed on an elongated base film in the longitudinal direction of the base film, is wound as multiple layers, wherein the outer diameter of the winding core is a dimension in which a deviation amount of the adhesive layer in the circumferential direction of the winding core between adjacent inner and outer tape portions of the adhesive tape in the radial direction of the winding core becomes 55 mm or less when the adhesive tape is wound on the winding core.
    Type: Application
    Filed: May 24, 2013
    Publication date: May 14, 2015
    Inventors: Megumi Kodama, Takahiro Tokuyasu, Shouta Sugai