Patents by Inventor Masahiro Takagai

Masahiro Takagai 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).

  • COMMUNICATION APPARATUS AND METHOD
    Publication number: 20100002646
    Abstract: A communication apparatus includes a receiving device configured to receive a physical frame in which a plurality of MAC frames, each having a sequence number, are aggregated. A reception buffer which stores MAC frames of the physical frame received by the receiving device. A determination device determines whether or not the first MAC frame in the physical frame received by the receiving device has been successfully received. A reception buffer management device determines, when the first MAC frame has been successfully received, a MAC frame to be forwarded to an upper layer, on the basis of the sequence number of the first MAC frame, and extracts the MAC frame from the reception buffer.
    Type: Application
    Filed: September 11, 2009
    Publication date: January 7, 2010
    Inventors: Yasuyuki Nishibayashi, Masahiro Takagai, Tomoko Adachi, Tomoya Tandai, Tetsu Nakajima, Yoriko Utsunomiya