Patents by Inventor Daichi YUKITOKI

Daichi YUKITOKI 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).

  • Vehicle drive device
    Patent number: 12516727
    Abstract: A first oil receiving portion disposed on a downward side of a rotary electric machine, an oil supply passage configured to supply oil accumulated in the first oil receiving portion from a flow port to a lubrication target part, and a discharge port configured to discharge the oil in the first oil receiving portion are provided. The discharge port is provided on an upper side relative to a reference oil level, which is set on a lower side relative to a rotor and on an upper side relative to the flow port, and the discharge port is provided to include a portion positioned on a lower side relative to a limitation-target oil level, which is formed by a tilt due to an attitude change and acceleration or deceleration of a vehicle.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: January 6, 2026
    Assignee: AISIN CORPORATION
    Inventors: Naoya Usami, Daichi Yukitoki, Tsukasa Osafune, Masato Hirano
  • VEHICLE DRIVE DEVICE
    Publication number: 20250180107
    Abstract: A first oil receiving portion disposed on a downward side of a rotary electric machine, an oil supply passage configured to supply oil accumulated in the first oil receiving portion from a flow port to a lubrication target part, and a discharge port configured to discharge the oil in the first oil receiving portion are provided. The discharge port is provided on an upper side relative to a reference oil level, which is set on a lower side relative to a rotor and on an upper side relative to the flow port, and the discharge port is provided to include a portion positioned on a lower side relative to a limitation-target oil level, which is formed by a tilt due to an attitude change and acceleration or deceleration of a vehicle.
    Type: Application
    Filed: June 2, 2023
    Publication date: June 5, 2025
    Applicant: AISIN CORPORATION
    Inventors: Naoya USAMI, Daichi YUKITOKI, Tsukasa OSAFUNE, Masato HIRANO