Patents by Inventor Manzo UCHIGASAKI

Manzo UCHIGASAKI 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).

  • COARSE AGGREGATE FOR CONCRETE
    Publication number: 20200354273
    Abstract: Provided is a novel metallic coarse aggregate for concrete which can be used as a coarse aggregate which is one of the essential constituents of concrete, can further improve the compressive strength and tensile strength of concrete, is less likely to be sedimented in fresh concrete, and has good productivity at a low cost. The metallic coarse aggregate for concrete includes a coarse aggregate body including a spherical cap portion bonded body having two hollow spherical cap portions and an annular portion protruding from a surface of the spherical cap portion bonded body so as to surround an outer periphery of the spherical cap portion bonded body, the annular portion having a shape in which a corner of a rectangular shape is bent upward or downward.
    Type: Application
    Filed: March 30, 2020
    Publication date: November 12, 2020
    Applicant: IBH SHIBATA, INC.
    Inventors: Junichi SHIBATA, Manzo UCHIGASAKI