Patents by Inventor Tadamitsu Araki

Tadamitsu Araki 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).

  • Patent number: 7139531
    Abstract: Outdoor radio equipment includes a radio transmitting and receiving part for performing a modulation and demodulation process, and a common part for controlling an action of the radio transmitting and receiving part. The radio transmitting and receiving part is provided at the common part so as to be exposed to open air.
    Type: Grant
    Filed: August 6, 2003
    Date of Patent: November 21, 2006
    Assignee: Fujitsu Limited
    Inventors: Yasuo Iwahashi, Yuuichi Hagiwara, Tadamitsu Araki, Kouichi Sunaga
  • Publication number: 20040185906
    Abstract: Outdoor radio equipment includes a radio transmitting and receiving part for performing a modulation and demodulation process, and a common part for controlling an action of the radio transmitting and receiving part. The radio transmitting and receiving part is provided at the common part so as to be exposed to open air.
    Type: Application
    Filed: August 6, 2003
    Publication date: September 23, 2004
    Inventors: Yasuo Iwahashi, Yuuichi Hagiwara, Tadamitsu Araki, Kouichi Sunaga
  • Publication number: 20040072564
    Abstract: A communication method is capable of preventing an occurrence a change of a route for an underway communication between a mobile node and a correspondent node in a communication network and restraining an unnecessary packet from being forwarded to the correspondent node from the mobile node. The communication method is executed among the mobile node having a home address assigned in a first network and a temporary address assigned in a second network, an agent device surrogating a communication using the home address in the first network and a correspondent terminal communicating with the mobile node through the agent device. When the mobile node moves to the second network, the mobile node transmits information containing the temporary address to the correspondent node, and the correspondent node receives the information containing the temporary address and transmits the information to the temporary address of the mobile node.
    Type: Application
    Filed: August 6, 2003
    Publication date: April 15, 2004
    Inventors: Yasuo Iwahashi, Yuuichi Hagiwara, Tadamitsu Araki, Kouichi Sunaga