Patents by Inventor Rieko Nakajima

Rieko Nakajima 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).

  • Ring network concentrator
    Patent number: 5483536
    Abstract: A ring network concentrator for dynamically changing the design of a network system depending on conditions of a ring network attached to the network concentrator. The ring network concentrator partitions traffic of a ring trunk network into a plurality of ring networks by dynamically changing connection patterns at configuration switches. The configuration switches connect ports, media access control units, and internal paths according to a communication protocol of a packet to be transferred and a traffic amount.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: January 9, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yoshinori Gunji, Tetsuya Wada, Rieko Nakajima, Hiroshi Doi, Taku Matsuda