Patents by Inventor Satoshi Yasutaka

Satoshi Yasutaka 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).

  • Patent number: 7805074
    Abstract: The invention relates to a package starting control device determining a moment and a sequence of starting a package corresponding to an individual wavelength to be wavelength-division-multiplexed in a wavelength division multiplex transmission device. An object of the invention is to provide a package starting control device capable of effectively increasing or decreasing the number of wavelengths at low cost without changing a basic structure drastically.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: September 28, 2010
    Assignee: Fujitsu Limited
    Inventors: Takashi Yasuda, Satoshi Yasutaka, Seiji Meki, Tomonori Gotoh
  • Publication number: 20060067687
    Abstract: The invention relates to a package starting control device determining a moment and a sequence of starting a package corresponding to an individual wavelength to be wavelength-division-multiplexed in a wavelength division multiplex transmission device. An object of the invention is to provide a package starting control device capable of effectively increasing or decreasing the number of wavelengths at low cost without changing a basic structure drastically.
    Type: Application
    Filed: January 28, 2005
    Publication date: March 30, 2006
    Inventors: Takashi Yasuda, Satoshi Yasutaka, Seiji Meki, Tomonori Gotoh
  • Patent number: 5796955
    Abstract: A method for controlling associations in time of executing an application layer in OSI (Open Systems Interconnection) between one communication equipment and the faced communication equipment is disclosed. An association confirmation request from one communication equipment is sent to the faced communication equipment. A reason of the rejection is identified when the faced communication equipment rejects the association confirmation request, and then, the association confirmation request is retransmitted according to the reason of rejection. The times of retransmission is counted to finish retransmitting the association confirmation request in the case where the count value exceeds a predetermined value.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: August 18, 1998
    Assignee: Fujitsu Limited
    Inventors: Souichi Takahashi, Satoshi Yasutaka