Patents by Inventor Yusaku IMAI

Yusaku IMAI 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).

  • Shift device
    Patent number: 11255427
    Abstract: A shift device in which a press-fit column of a control lever is press-fitted into and passed through a press-fit hole in a boot such that the boot forms a seal between the upper side and the lower side of the press-fit hole. A press-fit interference amount between the press-fit column and the press-fit hole is larger at a length direction intermediate side of the press-fit hole than at a length direction end portion side of the press-fit hole. This enables a reduction in the contact force between the press-fit column and a peripheral face of the press-fit hole at the length direction intermediate side of the press-fit hole to be suppressed, enabling the sealing performance of the press-fit hole in the boot to be improved.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: February 22, 2022
    Assignees: KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUSHO, SUBARU CORPORATION
    Inventors: Takumi Ito, Shingo Nagashima, Yusaku Imai, Masahide Mita, Tomoyuki Otsuka
  • SHIFT DEVICE
    Publication number: 20200355259
    Abstract: A shift device in which a press-fit column of a control lever is press-fitted into and passed through a press-fit hole in a boot such that the boot forms a seal between the upper side and the lower side of the press-fit hole. A press-fit interference amount between the press-fit column and the press-fit hole is larger at a length direction intermediate side of the press-fit hole than at a length direction end portion side of the press-fit hole. This enables a reduction in the contact force between the press-fit column and a peripheral face of the press-fit hole at the length direction intermediate side of the press-fit hole to be suppressed, enabling the sealing performance of the press-fit hole in the boot to be improved.
    Type: Application
    Filed: April 24, 2020
    Publication date: November 12, 2020
    Inventors: Takumi ITO, Shingo NAGASHIMA, Yusaku IMAI, Masahide MITA, Tomoyuki OTSUKA