Patents by Inventor Masaaki MASHIMO

Masaaki MASHIMO 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: 11641123
    Abstract: In a power supply system for a watercraft, a controller in a first state connects a first electric circuit to a third electric circuit to supply electric power from a first engine battery to an electric device, and disconnects a second electric circuit from the third electric circuit to charge a second engine battery by a second generator. In a second state, the controller connects the second electric circuit to the third electric circuit to supply the electric power from the second engine battery to the electric device, and disconnects the first electric circuit from the third electric circuit to charge the first engine battery by a first generator.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: May 2, 2023
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventor: Masaaki Mashimo
  • Patent number: 11530676
    Abstract: A power supply system for a watercraft includes a first battery, a second battery, and a battery management device. The battery management device connects the first battery to a first engine to supply an electric power from the first battery to start the first engine. The battery management device connects the second battery to a second engine and a third engine to supply an electric power from the second battery to start the second engine and the third engine.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: December 20, 2022
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventor: Masaaki Mashimo
  • Publication number: 20220243693
    Abstract: A power supply system for a watercraft includes a first battery, a second battery, and a battery management device. The battery management device connects the first battery to a first engine to supply an electric power from the first battery to start the first engine. The battery management device connects the second battery to a second engine and a third engine to supply an electric power from the second battery to start the second engine and the third engine.
    Type: Application
    Filed: January 5, 2022
    Publication date: August 4, 2022
    Inventor: Masaaki MASHIMO
  • Publication number: 20220247200
    Abstract: In a power supply system for a watercraft, a controller in a first state connects a first electric circuit to a third electric circuit to supply electric power from a first engine battery to an electric device, and disconnects a second electric circuit from the third electric circuit to charge a second engine battery by a second generator. In a second state, the controller connects the second electric circuit to the third electric circuit to supply the electric power from the second engine battery to the electric device, and disconnects the first electric circuit from the third electric circuit to charge the first engine battery by a first generator.
    Type: Application
    Filed: January 5, 2022
    Publication date: August 4, 2022
    Inventor: Masaaki MASHIMO