Patents by Inventor Kanefumi Yamamoto

Kanefumi Yamamoto 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).

  • Food material containing antioxidant ingredient derived from citrus fruits
    Patent number: 6350477
    Abstract: A process for producing a food material having a high concentration of eriocitrin, which comprises extracting a juice, a peel and a squeezed juice refuse of a citrus fruit with a polar solvent, applying the extract to a synthetic adsorption resin, and separating and recovering the food material having the high concentration of eriocitrin using an organic solvent such as hydrous alcohol. A food material having a high concentration eriocitrin as an antioxidant ingredient can industrially be produced quite efficiently without entraining an ingredient of a bitter taste, and drink and food having a high antioxidant effect can be produced.
    Type: Grant
    Filed: October 21, 1999
    Date of Patent: February 26, 2002
    Assignee: Pokka Corporation
    Inventors: Kanefumi Yamamoto, Hiroaki Mieda, Masanori Hiramitsu, Yoshiaki Miyake