Patents by Inventor Tetsuhiro Murata

Tetsuhiro Murata 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 device and communication method
    Patent number: 9642132
    Abstract: A communication device is provided in a wireless multi-hop network. The communication device receives a sequence number, a divided time acquired by dividing a time width allocated for transmitting detected usage data by a division number, and the division number. The communication device calculates a remainder by dividing the received sequence number by the division number and calculates a transmission offset time based on the remainder and the divided time. The communication device transmits the usage data based on the calculated transmission offset time.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: May 2, 2017
    Assignee: FUJITSU LIMITED
    Inventors: Yosuke Nishikata, Yoshihiko Shirokura, Naoto Miyauchi, Masahiro Machida, Yukio Hayashi, Tetsuhiro Murata, Yasuaki Kamimura, Hiroaki Tamai, Takafumi Kawakami, Kazuya Takeuchi
  • COMMUNICATION DEVICE AND COMMUNICATION METHOD
    Publication number: 20140376526
    Abstract: A communication device is provided in a wireless multi-hop network. The communication device includes a receiving unit, a transmission-offset calculating unit, and a transmitting unit. The receiving unit receives a sequence number, a divided time acquired by dividing a time width allocated for transmitting detected usage data by a division number, and the division number. The transmission-offset calculating unit calculates a remainder by dividing the sequence number received by the receiving unit by the division number and calculates a transmission offset time based on the remainder and the divided time. The transmitting unit transmits the usage data based on the transmission offset time calculated by the transmission-offset calculating unit.
    Type: Application
    Filed: September 8, 2014
    Publication date: December 25, 2014
    Applicant: Fujitsu Limited
    Inventors: Yosuke Nishikata, Yoshihiko Shirokura, Naoto Miyauchi, Masahiro Machida, Yukio Hayashi, Tetsuhiro Murata, Yasuaki Kamimura, Hiroaki Tamai, Takafumi Kawakami, Kazuya Takeuchi