Patents by Inventor Masaaki Sugawara

Masaaki Sugawara 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: 4452635
    Abstract: Disclosed is a hydraulic cement composition comprising (A) a water-soluble alkali metal borosilicate or a combination of a water-soluble alkali metal silicate and an alkali metal borate soluble in an alkaline aqueous solution, (B) silicon polyphosphate, (C) an alkali metal silicofluoride and (D) substantially amorphous barium silicate in which the BaO/SiO.sub.2 molar ratio is in the range of from 1/2.5 to 1/6.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: June 5, 1984
    Assignee: Mizusawa Industrial Chemicals Ltd.
    Inventors: Yoshibumi Noshi, Hiroyuki Naito, Kiyoshi Takai, Masaaki Sugawara
  • Patent number: 4415364
    Abstract: Disclosed is a one-package inorganic binder composition comprising a powdery mixture of a powdery alkali metal silicate having a water solubility or water dispersibility, an alkali metal borate soluble in an alkaline aqueous solution and silicon polyphosphate.
    Type: Grant
    Filed: June 24, 1982
    Date of Patent: November 15, 1983
    Assignee: Mizusawa Industrial Chemicals Ltd.
    Inventors: Hiroyuki Naito, Takashi Maruya, Masaaki Sugawara