Patents by Inventor Eitaro TAMETANI

Eitaro TAMETANI 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 battery system
    Patent number: 11616385
    Abstract: A vehicle battery system configured to appropriately control a battery installed in a vehicle includes a controller and a rechargeable battery installed in the vehicle in a replaceable manner, charged by an electric power generator, and supplies electric power to auxiliary equipment of the vehicle. The controller determines whether a first battery or a second battery with charging efficiency lower than the first battery is installed in the vehicle as the rechargeable battery and, when determining that the second battery is installed as the rechargeable battery, makes the maximum generated power voltage that is the maximum value of the generated power voltage of the electric power generator higher than when determining that the first battery is installed.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: March 28, 2023
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Takamori Miyabe, Shigeki Kitamura, Eitaro Tametani, Wataru Masuda
  • VEHICLE BATTERY SYSTEM
    Publication number: 20210313824
    Abstract: A vehicle battery system configured to appropriately control a battery installed in a vehicle includes a controller and a rechargeable battery installed in the vehicle in a replaceable manner, charged by an electric power generator, and supplies electric power to auxiliary equipment of the vehicle. The controller determines whether a first battery or a second battery with charging efficiency lower than the first battery is installed in the vehicle as the rechargeable battery and, when determining that the second battery is installed as the rechargeable battery, makes the maximum generated power voltage that is the maximum value of the generated power voltage of the electric power generator higher than when determining that the first battery is installed.
    Type: Application
    Filed: March 3, 2021
    Publication date: October 7, 2021
    Applicant: Mazda Motor Corporation
    Inventors: Takamori MIYABE, Shigeki KITAMURA, Eitaro TAMETANI, Wataru MASUDA