Patents Assigned to Nihon Vending Machine Co., Ltd.
  • Automatic energy supply systems of the multi-rate calculating type
    Patent number: 4162530
    Abstract: According to the supply system, a customer purchases a chip corresponding to a predetermined amount of electricity from a power company and sets the chip in a control device installed in the customer house.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: July 24, 1979
    Assignee: Nihon Vending Machine Co., Ltd.
    Inventors: Shoji Kusui, Kazuo Kitagawa