Patents by Inventor Hiroji Shigetome

Hiroji Shigetome 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).

  • PON system, station-side apparatus for PON system, and control method thereof
    Patent number: 8340518
    Abstract: An OLT, which is one of the embodiments of the present invention, is provided with: an allocation request receiving unit that receives a bandwidth allocation request from each of 1G-ONUs and each of 10G-ONUs; an allocation execution unit that allocates to each of the ONUs a time slot for data transmission in accordance with an allocation rule based on fairness in time allocation or an allocation rule based on fairness in throughput allocation; and an allocation result notification unit that notifies each of the ONUs of information regarding the time slot.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: December 25, 2012
    Assignee: Fujitsu Telecom Networks Limited
    Inventors: Hiroaki Yoshida, Tetsuya Yokomoto, Hiroji Shigetome
  • PON SYSTEM, STATION-SIDE APPARATUS FOR PON SYSTEM, AND CONTROL METHOD THEREOF
    Publication number: 20110217041
    Abstract: An OLT, which is one of the embodiments of the present invention, is provided with: an allocation request receiving unit that receives a bandwidth allocation request from each of 1 G-ONUs and each of 10 G-ONUs; an allocation execution unit that allocates to each of the ONUs a time slot for data transmission in accordance with an allocation rule based on fairness in time allocation or an allocation rule based on fairness in throughput allocation; and an allocation result notification unit that notifies each of the ONUs of information regarding the time slot.
    Type: Application
    Filed: May 28, 2009
    Publication date: September 8, 2011
    Applicant: FUJITSU TELECOM NETWORKS LIMITED
    Inventors: Hiroaki Yoshida, Tetsuya Yokomoto, Hiroji Shigetome