Patents by Inventor Hiroo Kumami

Hiroo Kumami 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: 5075117
    Abstract: A material for keeping foods fresh which essentially comprises an aqueous stabilized chlorine dioxide solution containing potassium permanganate, chlorinated choline and magnesium chloride. The freshness-keeping material is capable of removing ethylene gas and bacteria from foods, and preventing them from gathering mold while being stored, thus keeping them fresh even if they are stored for a long period.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: December 24, 1991
    Assignee: Kabushiki Kaisha Nasa
    Inventors: Hiroo Kumami, Akio Okamoto