Patents by Inventor Toru Murakado

Toru Murakado 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).

  • Hydraulic compositions and high-strength composite materials
    Patent number: 5342445
    Abstract: A hydraulic composition comprising blast furnace slag powder, a water-soluble polymer and an alkaline substance, and a high-strength composite material produced by kneading and molding a composition which comprises blast furnace slag powder, a water-soluble polymer, an alkaline substrate and water, and wet curing the molded composition. The high-strength composite material has high bending strength and excellent water resistance by using uncostly blast furnace slag powder.
    Type: Grant
    Filed: March 9, 1993
    Date of Patent: August 30, 1994
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Masayuki Kiyomoto, Akira Kajikawa, Toru Murakado, Hiroshi Sakurai, Motokazu Mano, Kazutika Sizume
  • Method for explosive cladding
    Patent number: 4844321
    Abstract: A method for explosive cladding a metal surface with one or more layers of the same or different metal with a water-in-oil type emulsion explosive and an explosive clad metal composite comprising two or more layers of the same or different metal produced by explosive cladding with a water-in-oil type emulsion explosive.
    Type: Grant
    Filed: July 31, 1987
    Date of Patent: July 4, 1989
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Toshio Matsuzawa, Toru Murakado, Hiroshi Aimoto, Shigetaka Kitao, Nobuo Yoshida