Patents by Inventor Tatsunori Ishizuka

Tatsunori Ishizuka 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).

  • Sheet and system for curing concrete, concrete curing method, and method for producing a concrete structure
    Patent number: 10472834
    Abstract: To provide a sheet and a system for curing concrete, in which the moisture amount to be used is small and which are able to reduce temporal and local variations in the moisture amount supplied to the concrete surface, a concrete curing method, and a method for producing a concrete structure. There is provided a concrete curing sheet of some embodiments of the present disclosure having a solid structure group on at least a first surface, the solid structure group having grooves defined between adjacent solid structures, and the grooves transporting water using the capillary phenomenon.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: November 12, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Norihisa Watanabe, Tatsunori Ishizuka, Naoyuki Toriumi, Hitoshi Morimoto
  • SHEET AND SYSTEM FOR CURING CONCRETE, CONCRETE CURING METHOD, AND METHOD FOR PRODUCING A CONCRETE STRUCTURE
    Publication number: 20170107728
    Abstract: To provide a sheet and a system for curing concrete, in which the moisture amount to be used is small and which are able to reduce temporal and local variations in the moisture amount supplied to the concrete surface, a concrete curing method, and a method for producing a concrete structure. There is provided a concrete curing sheet of some embodiments of the present disclosure having a solid structure group on at least a first surface, the solid structure group having grooves defined between adjacent solid structures, and the grooves transporting water using the capillary phenomenon.
    Type: Application
    Filed: May 29, 2015
    Publication date: April 20, 2017
    Inventors: Norihisa Watanabe, Tatsunori Ishizuka, Naoyuki Toriumi, Hitoshi Morimoto