Patents by Inventor Hiromitsu Shiina

Hiromitsu Shiina 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 business transaction system with notarization database and means for conducting a notarization procedure
    Patent number: 6049787
    Abstract: A center site is disposed to intervene in a business transaction achieved through a network. The center site includes an open business information database in which open business information received from member sites connected to the network is accumulated to be opened to the sites and a notarization database to keep therein contents of contracts of transactions between the sites. The center site receives a transaction request from a transaction partner site in accordance with the open business information and notifies the request to an information supply site associated therewith. The center site intervenes in a transaction resultantly accomplished between the information supply site and the transaction partner site and conducts a notarization process for the contents of contract for the transaction to accumulate the contract in a notarization database.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: April 11, 2000
    Assignee: Hitachi, Ltd.
    Inventors: Naoki Takahashi, Hiromitsu Shiina, Masahito Matsunawa, Shinichi Yamada, Yoshiharu Kamada, Tsuyoshi Miyake, Akira Okamura, Masasuke Tominaga