Patents by Inventor Ken Shimazutsu

Ken Shimazutsu 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).

  • Sand making apparatus, sand making method, and made sand
    Patent number: 8252415
    Abstract: A sand making apparatus comprises: a crusher configured to crush crushed materials; a first sorter configured to sort the crushed materials obtained from the crusher into coarse particles, fine particles, and powders through air sorting by air blowing and screening sorting by a screen; a negative pressure collection unit configured to suck and collect the powders from the first sorter; and a second sorter disposed between the first sorter and the negative pressure collection unit, the second sorter configured to sort the powders into coarse powders and fine powders through negative pressure of the negative pressure collection unit.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: August 28, 2012
    Assignee: Kotobuki Engineering & Manufacturing Co., Ltd.
    Inventors: Takato Kaya, Katsuyoshi Hashimoto, Kiyotoshi Nakaue, Yuichi Nagahara, Ken Shimazutsu
  • SAND MAKING APPARATUS, SAND MAKING METHOD, AND MADE SAND
    Publication number: 20100159247
    Abstract: A sand making apparatus comprises: a crusher configured to crush crushed materials; a first sorter configured to sort the crushed materials obtained from the crusher into coarse particles, fine particles, and powders through air sorting by air blowing and screening sorting by a screen; a negative pressure collection unit configured to suck and collect the powders from the first sorter; and a second sorter disposed between the first sorter and the negative pressure collection unit, the second sorter configured to sort the powders into coarse powders and fine powders through negative pressure of the negative pressure collection unit.
    Type: Application
    Filed: March 4, 2010
    Publication date: June 24, 2010
    Applicant: KOTOBUKI ENGINEERING & MANUFACTURING CO., LTD.
    Inventors: Takato Kaya, Katsuyoshi Hashimoto, Kiyotoshi Nakaue, Yuichi Nagahara, Ken Shimazutsu