Patents by Inventor Tetsuya ISHIWATA

Tetsuya ISHIWATA 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).

  • PUMP CASING AND PUMP
    Publication number: 20240328422
    Abstract: The present application relates a pump casing and a pump. The pump casing includes a cutter having an upper surface facing a leading edge portion of an impeller when the impeller is housed in the pump casing. The upper surface has a region with at least two angles.
    Type: Application
    Filed: April 22, 2022
    Publication date: October 3, 2024
    Inventors: Miho ISONO, Shrunali RANADE, Tetsuya ISHIWATA, Tsuyoshi MAEDA, Takahiro NOJI, Masaaki IMAFUKU, Kazuya HIRAMOTO
  • Impeller for pumps
    Patent number: D1053220
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: December 3, 2024
    Assignee: EBARA CORPORATION
    Inventors: Tsuyoshi Maeda, Takahiro Noji, Shrunali Ranade, Miho Isono, Tetsuya Ishiwata