Patents by Inventor Keizo Endo

Keizo Endo 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: 4589069
    Abstract: A data input/output system for gasoline stations which has a console arranged in an office cabin and electrically connected to each of a plurality of outdoor fuel dispensers, said console comprising a fuel dispensation control panel which has a fuel dispensation permission key to be operated for actuating the dispenser, in response to an order from a customer or an operator, a key board for inputing sales data on a dispensed fuel and other merchandise, a display for indicating operation instructions and input data, a printer for printing the data on a slip, a cash box, and a control unit connected to each of said elements to control the same. The system may have a card reader and a recording unit to allow and conduct credit sales.
    Type: Grant
    Filed: September 12, 1983
    Date of Patent: May 13, 1986
    Assignee: Tokyo Tatsuno Co., Ltd.
    Inventors: Keizo Endo, Hiroshi Matsumura, Norio Shimamura, Masaru Kawabe
  • Patent number: 4522237
    Abstract: An apparatus for dispensing a liquid, for instance gasoline and the like fuel to vehicles, especially in the manner of the so-called "full tank dispensation", includes a dispensing nozzle with a liquid level sensor at the tip end thereof and a circuit for receiving signals from the level sensor to control flow-out of fuel from the nozzle, the circuit issuing a signal to stop the flow-out in response to receipt of a fuel detection signal from the level sensor after a predetermined time period has lapsed, issuing another signal to recommence the flow-out and if it receives from the level sensor a signal indicating the absence of fuel.
    Type: Grant
    Filed: July 8, 1982
    Date of Patent: June 11, 1985
    Assignee: Tokyo Tatsuno Co., Ltd.
    Inventors: Keizo Endo, Hiroshi Matsumura, Yoshifumi Hasunuma, Siro Masai, Noboru Oguma