Patents by Inventor Kazutika Sizume

Kazutika Sizume 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: 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