Patents by Inventor Masachika Kubo

Masachika Kubo 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).

  • Patent number: 4832746
    Abstract: A novel cured extruded article of a metal fiber-reinforced hydraulic material is provided, wherein protrusion of the metal fibers at the extruded surfaces thereof is substantially prevented. The cured extruded article is produced by extruding a blend mixture comprising an inorganic hydraulic material, water, a reinforcing amount of metal fibers having a specified sectional area and a specified length, and a protrusion-preventing amount of non-metal fibers having a specified length into an article, and then curing the resulting article. The extruded article can be glazed by applying a glazing agent onto a desired surface thereof, heating it to a high temperature up to 1000.degree. C., and then hydrating it.
    Type: Grant
    Filed: October 8, 1987
    Date of Patent: May 23, 1989
    Assignee: Inax Corporation
    Inventors: Yoshinori Yachi, Masachika Kubo, Masaki Miwa, Yoshihiko Ojika