Patents by Inventor Chie Hayami

Chie Hayami 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 money card, electronic money receiving/paying machine, and electronic money card editing device
    Patent number: 6370517
    Abstract: An electronic money card includes a memory built in an IC chip of an IC card and reads and writes electronic money to and from the memory. The electronic money card allows conditions restricting an electronic money reading process to be written in a storage area excluding an electronic money storage area set for each user or usage of the electronic money.
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: April 9, 2002
    Assignee: Hitachi, Ltd.
    Inventors: Yasushi Yanagihara, Chie Hayami
  • ELECTRONIC MONEY CARD, ELECTRONIC MONEY RECEIVING/PAYING MACHINE, AND ELECTRONIC MONEY CARD EDITING DEVICE.
    Publication number: 20010011249
    Abstract: An electronic money card includes a memory built in an IC chip of an IC card and reads and writes electronic money to and from the memory. The electronic money card allows conditions restricting an electronic money reading process to be written in a storage area excluding an electronic money storage area set for each user or usage of the electronic money.
    Type: Application
    Filed: May 5, 1998
    Publication date: August 2, 2001
    Inventors: YASUSHI YANAGIHARA, CHIE HAYAMI