Patents by Inventor Kentarou SUGAWARA

Kentarou SUGAWARA 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).

  • Relay apparatus and relay method
    Patent number: 9667548
    Abstract: It is provided a relay apparatus, comprising: a plurality of ports coupled to a network; a Layer 2 processing module for relaying, via the network, a frame comprising a Layer 2 header and a Layer 2 data segment, the Layer 2 data segment comprising a Layer 3 header and a Layer 3 data segment; and an output unit, wherein the module updates a value of a particular field of the Layer 3 header, uses a first characteristic value related to the Layer 3 header, which is stored in a given field, and a pre-update value and post-update value of the particular field to compute a second characteristic value related to the Layer 3 header, and updates the value of the given field from the first characteristic value to the second characteristic value, and wherein the output unit outputs the updated frame as an output destination of the updated frame.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: May 30, 2017
    Assignee: Alaxala Networks Corporation
    Inventors: Yuichi Ishikawa, Kentarou Sugawara, Takeshi Kumagai, Naoya Kumita
  • RELAY APPARATUS AND RELAY METHOD
    Publication number: 20150138978
    Abstract: It is provided a relay apparatus, comprising: a plurality of ports coupled to a network; a Layer 2 processing module for relaying, via the network, a frame comprising a Layer 2 header and a Layer 2 data segment, the Layer 2 data segment comprising a Layer 3 header and a Layer 3 data segment; and an output unit, wherein the module updates a value of a particular field of the Layer 3 header, uses a first characteristic value related to the Layer 3 header, which is stored in a given field, and a pre-update value and post-update value of the particular field to compute a second characteristic value related to the Layer 3 header, and updates the value of the given field from the first characteristic value to the second characteristic value, and wherein the output unit outputs the updated frame as an output destination of the updated frame.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 21, 2015
    Inventors: Yuichi ISHIKAWA, Kentarou SUGAWARA, Takeshi KUMAGAI, Naoya KUMITA