Patents by Inventor Keiji Esaki

Keiji Esaki 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).

  • Stirring device
    Patent number: 10478791
    Abstract: Provided is a stirring device including: a stirred tank, of which an inner peripheral wall has a circular shape in cross section; and at least one flow impeller and at least one shearing impeller that are located inside the stirred tank and configured to be rotatable independently of each other, in which rotational centers of the flow impeller and the shearing impeller are coaxially provided, the flow impeller rotates around a vertical axis along the inner peripheral wall of the stirred tank to form at least a flow directed toward a lower side in the stirring object existing in the stirred tank, and the shearing impeller imparts a shearing force to the stirring object and is provided on a radially inward side of the flow impeller in the stirred tank and at a position contacting the flow of the stirring object formed by the flow impeller.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: November 19, 2019
    Assignees: Sumitomo Heavy Industries Process Equipment Co., Ltd., IZUMI FOOD MACHINERY Co., Ltd.
    Inventors: Shoji Morinaga, Katsuhide Takenaka, Keiji Esaki, Tetsuya Miyata, Soushi Murakami, Daisuke Sugifune
  • Stirring Device
    Publication number: 20180178176
    Abstract: Provided is a stirring device including: a stirred tank, of which an inner peripheral wall has a circular shape in cross section; and at least one flow impeller and at least one shearing impeller that are located inside the stirred tank and configured to be rotatable independently of each other, in which rotational centers of the flow impeller and the shearing impeller are coaxially provided, the flow impeller rotates around a vertical axis along the inner peripheral wall of the stirred tank to form at least a flow directed toward a lower side in the stirring object existing in the stirred tank, and the shearing impeller imparts a shearing force to the stirring object and is provided on a radially inward side of the flow impeller in the stirred tank and at a position contacting the flow of the stirring object formed by the flow impeller.
    Type: Application
    Filed: June 30, 2016
    Publication date: June 28, 2018
    Inventors: Shoji Morinaga, Katsuhide Takenaka, Keiji Esaki, Tetsuya Miyata, Soushi Murakami, Daisuke Sugifune