Patents by Inventor Hajime KATSUDA

Hajime KATSUDA 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).

  • Publication number: 20240039865
    Abstract: A communication control method for controlling a communication between a transmission-side device and a reception-side device is provided. The communication control method includes data transmission processing that transmits multiple types of transmission target data in parallel from the transmission-side device to the reception-side device by using multiple communication lines. The data transmission processing includes: acquiring an available communication speed of each of the multiple communication lines; acquiring data priority of the multiple types of transmission target data; selecting the multiple communication lines one by one in sequence; and allocating the multiple types of transmission target data to the selected communication line in an order of the data priority such that the selected communication line is used up to a specified speed equal to or lower than the available communication speed of the selected communication line.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 1, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuki Suehiro, Takahiro Ito, Hajime Katsuda, Naoya Kaneko
  • Publication number: 20240013887
    Abstract: A schedule management system includes an acquisition unit configured to acquire information about a plurality of task items and information about a target exercise amount of a first user for each predetermined period; a task dividing unit configured to extract at least one task item from among the plurality of task items by referring to a database, and assign the extracted at least one task item to the first user as a task item for the predetermined period, the at least one task item representing a task with which the first user achieves an exercise amount corresponding to his/her target exercise amount for each predetermined period, and in the database, information about, for each of the plurality of task items, an exercise amount per unit time corresponding to that task item being registered; and an output unit that outputs information about the task item assigned to the first user.
    Type: Application
    Filed: June 27, 2023
    Publication date: January 11, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Issei NAKASHIMA, Toru MIYAGAWA, Hideo HASEGAWA, Yusuke KINOSHITA, Takuhiro OMI, Yuta MORI, Hajime KATSUDA
  • Patent number: 11411633
    Abstract: A transmission device includes a modulation unit that performs chirp-spread modulation on an input information series to generate a modulation signal; a delay unit that provides, to a plurality of modulation signals obtained by duplicating the modulation signal generated by the modulation unit, delays having lengths different from each other, a difference between the delays being an integral multiple of a reciprocal of a bandwidth of the modulation signal; and a plurality of transmission antennas that transmit the plurality of modulation signals, respectively, to which the delays are provided by the delay unit.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: August 9, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yosuke Fujino, Hiroyuki Fukumoto, Hajime Katsuda, Kazunori Akabane
  • Patent number: 11368199
    Abstract: A reception unit in a radio communication apparatus receives wirelessly a signal configured with a preamble from another radio communication apparatus. The synchronization detection unit uses the preamble included in the signal received by the reception unit to detect synchronization with another radio communication apparatus. The signal accumulation unit accumulates a signal extracted from the signal received by the reception unit based on a timing at which the synchronization is detected by the synchronization detection unit. The combining unit combines the signals accumulated in the signal accumulation unit in accordance with a blind adaptive array antenna algorithm. The demodulation unit demodulates the signals combined by the combining unit.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: June 21, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Hajime Katsuda, Yosuke Fujino, Kazunori Akabane
  • Publication number: 20210297124
    Abstract: A reception unit in a radio communication apparatus receives wirelessly a signal configured with a preamble from another radio communication apparatus. The synchronization detection unit uses the preamble included in the signal received by the reception unit to detect synchronization with another radio communication apparatus. The signal accumulation unit accumulates a signal extracted from the signal received by the reception unit based on a timing at which the synchronization is detected by the synchronization detection unit. The combining unit combines the signals accumulated in the signal accumulation unit in accordance with a blind adaptive array antenna algorithm. The demodulation unit demodulates the signals combined by the combining unit.
    Type: Application
    Filed: June 25, 2019
    Publication date: September 23, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Hajime KATSUDA, Yosuke FUJINO, Kazunori AKABANE
  • Publication number: 20210119685
    Abstract: A transmission device includes a modulation unit that performs chirp-spread modulation on an input information series to generate a modulation signal; a delay unit that provides, to a plurality of modulation signals obtained by duplicating the modulation signal generated by the modulation unit, delays having lengths different from each other, a difference between the delays being an integral multiple of a reciprocal of a bandwidth of the modulation signal; and a plurality of transmission antennas that transmit the plurality of modulation signals, respectively, to which the delays are provided by the delay unit.
    Type: Application
    Filed: February 1, 2019
    Publication date: April 22, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yosuke FUJINO, Hiroyuki FUKUMOTO, Hajime KATSUDA, Kazunori AKABANE