Patents by Inventor Kenzoh Nagami

Kenzoh Nagami 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).

  • Process for producing essential oil by subcritical or supercritical water treatment
    Patent number: 6458407
    Abstract: The present invention provides a novel process for producing an essential oil from a plant material. Concretely, the process produces an essential oil in a short time and by a simple procedure by treating a plant material with supercritical water or subcritical water to liberate essential oil components, which are contained in the plant material, as an ester-free essential oil, and separating and purifying this essential oil.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: October 1, 2002
    Assignee: Suntory Limited
    Inventors: Wataru Miki, Koichi Nakahara, Takahisa Fujii, Kenzoh Nagami, Kunio Arai
  • Process for producing aromatic compounds by supercritical water treatment
    Patent number: 6331320
    Abstract: The present invention provides a process for producing aromatic compounds or polymers thereof from a plant material in a short period of time and by a simple procedure. Concretely, the process treats the plant material with supercritical water or subcritical water to liberate aromatic compounds, which are contained in the plant material, and/or aromatic compounds, which have been generated upon decomposition of components of the plant material, to the outside of the plant material, and isolates the liberated aromatic compounds to produce aromatic compounds or polymers thereof.
    Type: Grant
    Filed: January 12, 2000
    Date of Patent: December 18, 2001
    Assignee: Suntory Limited
    Inventors: Koichi Nakahara, Takahisa Fujii, Wataru Miki, Kenzoh Nagami, Kunio Arai