Patents by Inventor Asao Shimanishi

Asao Shimanishi 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).

  • Sterilizing water-purifying reagent for drink
    Patent number: 4983286
    Abstract: This invention provides a sterilizing water-purifying reagent for removing muddiness of water to be treated or sterilizing the water to be treated as drinking water in fields or under drinking water shortage environment, and the sterilizing water-purifying reagent comprises an acidic additive containing as main ingredients various types of metal salts and nonmetal salts produced by dissolving vermiculite weathered from mica mineral or soil further weathered from the vermiculite in aqueous inorganic acid solution.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: January 8, 1991
    Inventors: Jitsuo Inagaki, Asao Shimanishi, Taisaburo Ono
  • Sterilizing water-purifying reagent for drink
    Patent number: 4776963
    Abstract: This invention provides a sterilizing water-purifying reagent for removing muddiness of water to be treated or sterilizing the water to be treated as drinking water in fields or under drinking water shortage environment, and the sterilizing water-purifying reagent comprises an acidic additive containing as main ingredients various types of metal salts and nonmetal salts produced by dissolving vermiculite weathered from mica mineral or soil further weathered from the vermiculite in aqueous inorganic acid solution.
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: October 11, 1988
    Inventors: Jitsuo Inagaki, Asao Shimanishi, Taisaburo Ono