Patents by Inventor Nobuo Minematsu

Nobuo Minematsu 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).

  • Electronic bankbook and transaction system for use therewith
    Patent number: 4864109
    Abstract: A transaction system includes a card-shaped electronic bankbook and a transaction device. The electronic bankbook includes an IC chip encapsulated in an insulating card substrate and composed of a CPU and data memories display, a key switch including keys for instructing transaction data items and switching display data, a power supply, and an interface for receiving or delivering a signal on transactions from or to a transaction device. The system has a crime prevention function where transactions are made invalid if identification information on the electronic bankbook is erronesouly entered in repetition over the prescribed number of times into the transactin system of the electronic bankbook.
    Type: Grant
    Filed: November 8, 1985
    Date of Patent: September 5, 1989
    Inventors: Nobuo Minematsu, Yoshinori Koshida
  • System for transactions between financial institutions and customers
    Patent number: 4833312
    Abstract: Customers input their transaction data by a first processing device. When a second processing device is in a situation capable of immediate processing, the input transaction data is sent to the second processing device. But when the second processing device is not in a situation capable of immediate processing, the input transaction data is stored in a memory in the same order in which inputs have been completed.
    Type: Grant
    Filed: March 29, 1988
    Date of Patent: May 23, 1989
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Nobuo Minematsu, Masao Karahashi, Munekatsu Ota, Koyo Matsumae, Hashime Takada