Patents by Inventor Tomoyuki Marui

Tomoyuki Marui 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).

  • METHOD OF RECEIVING CHARGE, METHOD OF CONTROLLING CHARGE, CHARGE CONTROL UNIT AND CHARGING EQUIPMENT
    Publication number: 20150326040
    Abstract: Charging equipment and a charge control unit are provided, in which a plurality of devices mounted with battery can be simultaneously charged by the single charging equipment. Further, a method of controlling charge and a method of receiving charge are also provided. The charging equipment supplies electric power to the battery for charging, comprising a power output part which outputs DC power used for charging, a plurality of user operation units which can be connected with a vehicle equipped with a battery as a device mounted with battery, and the charge control unit which controls a power supply from the power output part to the user operation unit. Herein, the charge control unit distributes the electric power outputted from the power output part to supply the distributed power to the user operation unit connected with the vehicle.
    Type: Application
    Filed: July 22, 2015
    Publication date: November 12, 2015
    Applicant: HITACHI, LTD.
    Inventors: Shoji Kawai, Tomoyuki Marui, Masami Takahashi, Kazumi Rissen, Takafumi Ebara, Kei Yonezawa, Yoshihito Nasu
  • Method of receiving charge, method of controlling charge, charge control unit and charging equipment
    Patent number: 9168841
    Abstract: Charging equipment and a charge control unit are provided, in which a plurality of devices mounted with battery can be simultaneously charged by the single charging equipment. Further, a method of controlling charge and a method of receiving charge are also provided. The charging equipment supplies electric power to the battery for charging, comprising a power output part which outputs DC power used for charging, a plurality of user operation units which can be connected with a vehicle equipped with a battery as a device mounted with battery, and the charge control unit which controls a power supply from the power output part to the user operation unit. Herein, the charge control unit distributes the electric power outputted from the power output part to supply the distributed power to the user operation unit connected with the vehicle.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: October 27, 2015
    Assignee: HITACHI, LTD.
    Inventors: Shoji Kawai, Tomoyuki Marui, Masami Takahashi, Kazumi Rissen, Takafumi Ebara, Kei Yonezawa, Yoshihito Nasu
  • METHOD OF RECEIVING CHARGE, METHOD OF CONTROLLING CHARGE, CHARGE CONTROL UNIT AND CHARGING EQUIPMENT
    Publication number: 20110285345
    Abstract: Charging equipment and a charge control unit are provided, in which a plurality of devices mounted with battery can be simultaneously charged by the single charging equipment. Further, a method of controlling charge and a method of receiving charge are also provided. The charging equipment supplies electric power to the battery for charging, comprising a power output part which outputs DC power used for charging, a plurality of user operation units which can be connected with a vehicle equipped with a battery as a device mounted with battery, and the charge control unit which controls a power supply from the power output part to the user operation unit. Herein, the charge control unit distributes the electric power outputted from the power output part to supply the distributed power to the user operation unit connected with the vehicle.
    Type: Application
    Filed: May 18, 2011
    Publication date: November 24, 2011
    Inventors: Shoji Kawai, Tomoyuki Marui, Masami Takahashi, Kazumi Rissen, Takafumi Ebara, Kei Yonezawa, Yoshihito Nasu