Patents by Inventor Junji Ohwa

Junji Ohwa 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).

  • Card reader with a theft counter measure
    Patent number: 5850079
    Abstract: A card reading system comprises a card insertion portion, a shutter for preventing foreign matter insertion and the like, a driving path for direction of an inserted card and a main card reading device. The system includes, as an improvement, a detection device for determining a condition of the shutter during a card reading operation and for providing an output signal of the determination and a device responsive to the output signal for indicating that the shutter is in an improper condition when foreign matter is inserted in the driving path.
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: December 15, 1998
    Assignee: Sankyo Seiki Mfg.Co., Ltd.
    Inventors: Junji Ohwa, Kenji Hirasawa