Patents by Inventor Akitaka FUJII

Akitaka FUJII 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).

  • Patent number: 11933363
    Abstract: A bearing box for a rotating roll that delivers a high-temperature substance. The bearing box includes a bearing portion and a seal portion provided adjacent to the bearing portion and includes a first cooling liquid passage that is formed on the outer peripheral side of the bearing portion and through which a cooling liquid passes, and a second cooling liquid passage that is formed on the radially inner side relative to the first cooling liquid passage and on the outer peripheral side of the seal portion, the second cooling liquid passage communicating with the first cooling liquid passage to cause the cooling liquid to pass therethrough.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: March 19, 2024
    Assignee: JFE STEEL CORPORATION
    Inventors: Kenji Isozaki, Shinya Ito, Akitaka Fujii, Noriaki Ohara
  • Publication number: 20220373034
    Abstract: A bearing box for a rotating roll that delivers a high-temperature substance. The bearing box includes a bearing portion and a seal portion provided adjacent to the bearing portion and includes a first cooling liquid passage that is formed on the outer peripheral side of the bearing portion and through which a cooling liquid passes, and a second cooling liquid passage that is formed on the radially inner side relative to the first cooling liquid passage and on the outer peripheral side of the seal portion, the second cooling liquid passage communicating with the first cooling liquid passage to cause the cooling liquid to pass therethrough.
    Type: Application
    Filed: September 18, 2020
    Publication date: November 24, 2022
    Applicant: JFE STEEL CORPORATION
    Inventors: Kenji ISOZAKI, Shinya ITO, Akitaka FUJII, Noriaki OHARA