Patents by Inventor Shinji Shiramizu

Shinji Shiramizu 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).

  • Radio communication device and retransmission control method
    Patent number: 9345043
    Abstract: A radio communication device includes a memory, a processor coupled to the memory and configured to allocate data to be transmitted from a communication terminal, to a plurality of radio carriers for communication with the communication terminal, identify, when a total amount of the data allocated to the radio carriers exceeds a certain amount, a communication terminal that performs transmission of excess data, which corresponds to the difference between the total amount and the certain amount, using the radio carrier to which the excess data is allocated, and a radio communication device configured to transmit a repeat request to the identified communication terminal that the excess data is transmitted to the radio communication device again.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: May 17, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Yasuhiro Mori, Shinji Shiramizu, Masahiko Ishizuka
  • RADIO COMMUNICATION DEVICE AND RETRANSMISSION CONTROL METHOD
    Publication number: 20140321373
    Abstract: A radio communication device includes a memory, a processor coupled to the memory and configured to allocate data to be transmitted from a communication terminal, to a plurality of radio carriers for communication with the communication terminal, identify, when a total amount of the data allocated to the radio carriers exceeds a certain amount, a communication terminal that performs transmission of excess data, which corresponds to the difference between the total amount and the certain amount, using the radio carrier to which the excess data is allocated, and a radio communication device configured to transmit a repeat request to the identified communication terminal that the excess data is transmitted to the radio communication device again.
    Type: Application
    Filed: April 22, 2014
    Publication date: October 30, 2014
    Applicant: FUJITSU LIMITED
    Inventors: Yasuhiro MORI, Shinji Shiramizu, Masahiko Ishizuka