Patents by Inventor Yuka Hamamoto

Yuka Hamamoto 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).

  • Data-transfer-management system and transfer history-collection device
    Patent number: 6622151
    Abstract: A device for collecting history of data transfer includes a transfer-history-extraction unit which extracts transfer-history information from data subjected to data transfer, and a service-management unit which stores the transfer-history information together with a processing result indicative of either a proper completion of the data transfer or an improper completion of the data transfer.
    Type: Grant
    Filed: April 27, 2000
    Date of Patent: September 16, 2003
    Assignee: Fujitsu Limited
    Inventors: Yuka Hamamoto, Toru Yoshikuni, Shigeyuki Dambayashi