Patents by Inventor Mikio Hassegawa

Mikio Hassegawa 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).

  • Wireless Communications System
    Publication number: 20080019294
    Abstract: The present invention is a wireless communications system for simultaneously establishing a basic access network and a wireless access network using at least two kinds of wireless communication networks. The basic access network executes signaling communication in which communication is controlled so as to be continuously switched, whereas the wireless access network executes data communications other than the signaling communication. According to the system of the present invention, networks can be continuously switched by setting multicast for temporarily flowing data to the basic access network.
    Type: Application
    Filed: November 19, 2003
    Publication date: January 24, 2008
    Applicant: National Institute of Information & Communications
    Inventors: Masugi Inoue, Mikio Hassegawa, Khalid Mahmud, Homare Murakami