Patents by Inventor Keiko Nakano

Keiko Nakano 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: 5124164
    Abstract: A preserving agent for fresh marine product comprising (A) at least one salt selected from the group consisting of chlorates, chlorites and hypochlorites; (B) iron powder; and (C) at least one oxide selected from the group consisting of ferric oxide, cobalt oxide, nickel oxide, zinc oxide, titanium oxide, zirconium oxide, germanium oxide, copper oxide, silver oxide and manganese oxide and a method of preserving fresh marine products using the preserving agent;a method for preserving crustaceans which comprises putting crustaceans into a container, covering the container, and quickly adjusting the oxygen concentration within the container to 0.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: June 23, 1992
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Mutsumi Matsumoto, Masanobu Ogawa, Keiko Nakano
  • Patent number: 5108649
    Abstract: A preserving agent for fresh marine product comprising (A) at least one salt selected from the group consisting of chlorates, chlorites and hypochlorites; (B) iron powder; and (C) at least one oxide selected from the group consisting of ferric oxide, cobalt oxide, nickel oxide, zinc oxide, titanium oxide, zirconium oxide, germanium oxide, copper oxide, silver oxide and manganese oxide and a method of preserving fresh marine products using the preserving agent;a method for preserving crustaceans which comprises putting crustaceans into a container, covering the container, and quickly adjusting the oxygen concentration within the container to 0.
    Type: Grant
    Filed: November 8, 1989
    Date of Patent: April 28, 1992
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Mutsumi Matsumoto, Masanobu Ogawa, Keiko Nakano