Patents by Inventor Mario Jose Cardona

Mario Jose Cardona 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).

  • Virtual LAN system
    Patent number: 6085238
    Abstract: A virtual LAN system forms a virtual group which is based on elements having physical attribute or logical attribute and constituting a virtual LAN, sets a client address and priority of the virtual group in a virtual group registration table, and allocates unicast and broadcast traffic bands in group units.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: July 4, 2000
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Hiroyoshi Yuasa, Tadashi Satake, Mario Jose Cardona, Hisataka Fujii, Akira Yasuda, Koji Yamashita, Satoru Suzaki, Hideki Ikezawa, Masami Ohno, Akira Matsuzaki, Junichi Suzuki, Junko Nakano