Patents by Inventor Kazuyuki Irifune

Kazuyuki Irifune 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).

  • Publication number: 20030112752
    Abstract: A congestion controlling device is connected to client terminals and contents servers via communications lines. When a load distributing device receives requests from the client terminals that have made the requests for acquisitions of the information, the load distributing device judges whether the situation of the relay processing has satisfied a predetermined condition. If the situation has satisfied the condition, not only the client's requests are regulated, but predetermined messages of either reasons for the regulation or requests to defer the client's requests for a while are notified to the client terminals. The congestion controlling device may include Web proxy servers each including a cache. If the information requested by the client terminals has been stored in the cache of the Web proxy server, the information in the cache is transmitted to the client terminals.
    Type: Application
    Filed: May 20, 2002
    Publication date: June 19, 2003
    Inventors: Kazuyuki Irifune, Katsuyuki Tsunami, Takashi Nishikado, Hideo Aoki
  • Patent number: 6128485
    Abstract: In a movable communication system, when one or more areas where special services other than a calling service and a call-incoming service are supplied to a personal station are predetermined, the content of the special services to be supplied to the personal station are notified to the personal station. For example, when a personal station located in a predetermined area in which the call-incoming to the personal station is prohibited has a call-incoming thereto, a base station covering the area supplies the personal station with a call-incoming service of prohibiting the paging to the personal station to prohibit the connection between the personal station and a caller, and also transmitting to the personal station a message indicating that there has been the call-incoming. Further, the base station transmits to the personal station a message indicating that the personal station is located in a call-incoming prohibited area.
    Type: Grant
    Filed: February 27, 1997
    Date of Patent: October 3, 2000
    Assignee: Hitachi, Ltd.
    Inventors: Takeshi Mori, Fumihiko Shimazaki, Kazuyuki Irifune