Patents by Inventor Hideaki Takahashi

Hideaki Takahashi 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: 12238601
    Abstract: A user device comprises a communication unit configured to perform communication to which dual connectivity is applied, wherein a master cell group and a secondary cell group are configured in the dual connectivity, a control unit configured to detect occurrence of a failure in the master cell group, and a transmission unit configured to transmit information related to the occurrence of the failure in the master cell group to a master node of the master cell group, wherein the control unit changes a primary cell to another cell by performing handover to a different RAT (Radio Access Technology).
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: February 25, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Tianyang Min, Tooru Uchino
  • Patent number: 12238694
    Abstract: A user apparatus includes a reception unit configured to receive information specifying a BWP (Bandwidth part) from a base station apparatus, a control unit configured to configure the BWP by determining a parameter to be applied from a predetermined cell-common parameter and a predetermined user-apparatus-specific parameter that are included in the information specifying the BWP, and a communication unit configured to communicate with the base station apparatus by using the configured BWP, wherein the predetermined parameters are information items indicating a lowest usable subcarrier of the BWP.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: February 25, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Yousuke Sano
  • Publication number: 20250062966
    Abstract: An information processing apparatus according to an embodiment includes a processor. The processor extracts multiple features representing characteristics of pieces of second sampling data. The pieces of second sampling data include pieces of first sampling data and pieces of output data obtained by using the pieces of first sampling data as input. The pieces of first sampling data are generated by using a multidimensional first probability distribution representing a distribution of each of pieces of input data related to an object to be analyzed. The pieces of output data represent physical quantity of the object to be analyzed. The processor generates a network model representing a relationship among multiple nodes corresponding to the physical quantity of the object to be analyzed. The multiple nodes include a node corresponding to the extracted features.
    Type: Application
    Filed: July 2, 2024
    Publication date: February 20, 2025
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kenji HIROHATA, Akira KANO, Shotaro OKA, Ryuji TAKAHASHI, Makihiko ISHITANI, Hideaki UEHARA
  • Patent number: 12232052
    Abstract: A terminal includes a receiving unit that receives P-Max that is configuration information of maximum transmit power in a cell in Frequency Range 2 (FR2) among Frequency Range 1 (FR1) and the FR2; and a control unit that performs, when the P-Max of the cell in the FR2 is not supported, an operation of ignoring the P-Max of the cell in the FR2 or an operation of considering the cell in the FR2 as a barred cell.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: February 18, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Hiromasa Umeda
  • Patent number: 12232175
    Abstract: A user apparatus includes a transmission unit for transmitting a signal related to a random access procedure in a serving cell; a reception unit for receiving a signal related to the random access procedure in the serving cell; and a control unit for determining a carrier to be used for the random access procedure, the carrier being configured to the serving cell. The control unit determines whether a first carrier is configured to the serving cell, determines whether the first carrier of the serving cell is supported when the first carrier is configured to the serving cell, and determines to use the first carrier for the random access procedure when the first carrier of the serving cell is supported. An operation of determining the carrier to be used for the random access procedure is performed in at least one of a MAC layer and an RRC layer.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: February 18, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Tooru Uchino
  • Patent number: 12225392
    Abstract: A terminal includes a transmitter that transmits a random access preamble; a receiver that receives a random access response; and a controller that uses a spatial filter applied to the transmission of the random access preamble for a transmission of an uplink control signal, in a time interval after the receiver receives the random access response until the receiver receives configuration information of another spatial filter.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: February 11, 2025
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Yuki Matsumura
  • Publication number: 20250046527
    Abstract: An electrolytic capacitor in which the transpiration of the electrolytic solution is suppressed even under the high-temperature environment is provided. The electrolytic capacitor comprising: a capacitor element having anode foil, cathode foil, electrolytic solution, and a solid electrolyte layer; a casing housing the capacitor element therein; and a sealing body sealing the casing, in which the sealing body includes butyl rubber, and the electrolytic solution includes glycerin, diglycerin, or both of 60 wt % or more relative to the solvent in the electrolytic solution.
    Type: Application
    Filed: September 22, 2022
    Publication date: February 6, 2025
    Applicant: Nippon Chemi-Con Corporation
    Inventors: Kenta SATO, Hideaki TAKAHASHI, Tetsuo MAEDA
  • Publication number: 20250031269
    Abstract: A communication apparatus includes: a memory storing a program; and one or more processors configured to execute the program to: obtain path information including first information for indicating each of a plurality of waypoints; transmit, to a base station, a message of the completion of a radio resource control, RRC, connection reconfiguration, the message including information for indicating an availability of the path information; receive, from the base station, a UEInformationRequest message including second information used for configuring a granularity of the first information; and transmit in response to the reception of the UEInformationRequest message, to the base station, a UEInformationResponse message including the path information including the first information on a basis of the second information.
    Type: Application
    Filed: February 26, 2024
    Publication date: January 23, 2025
    Inventors: Tomoyuki YAMAMOTO, Hideaki TAKAHASHI
  • Patent number: 12177699
    Abstract: A terminal that communicates simultaneously with a first communication node and a second communication node includes a detection unit that detects a failure in communication with the second communication node; and a transmitting unit that transmits notification including failure information and positional information to the first communication node, the failure information concerning a failure in communication with the second communication node and the positional information being obtained at the time when the failure was detected. In another aspect a communication node is also disclosed.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: December 24, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Tianyang Min, Kenji Kai
  • Publication number: 20240400527
    Abstract: A compound represented by the following Formula (1), a hole transport material containing the compound, a hole transport material composition for a photoelectric conversion element containing the hole transport material, a photoelectric conversion element using the hole transport material composition for a photoelectric conversion element, and a solar cell using the photoelectric conversion element.
    Type: Application
    Filed: September 27, 2022
    Publication date: December 5, 2024
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Toshiaki ITO, Hideaki TAKAHASHI, Atsushi SAKURAI, Hiroshi SATO
  • Publication number: 20240397482
    Abstract: A terminal includes a reception unit that receives system information and receives a radio resource control (RRC) release message and a control unit that stores a serving cell as a last used cell in a case in which the RRC release message is received. The control unit controls to monitor a physical downlink control channel (PDCCH) for paging early indication in the last used cell based on information about a cell to which the paging early indication included in paging early indication (PEI) configuration information in the system information is transmitted.
    Type: Application
    Filed: August 5, 2024
    Publication date: November 28, 2024
    Inventors: Tatsuki NAGANO, Hideaki TAKAHASHI
  • Publication number: 20240396697
    Abstract: A communication apparatus that is a second communication apparatus having a communication capability reduced as compared with a first communication apparatus having a designated communication capability, the communication apparatus includes: a transmitter configured to transmit a request message for establishing a radio resource control (RRC) connection or resuming the RRC connection to a base station on a specific initial BWP for the second communication apparatus, which is a bandwidth part (BWP) that is a part of a bandwidth of a cell of the base station; and a controller configured to execute measurement processing and evaluation processing for cell reselection after the request message is transmitted.
    Type: Application
    Filed: August 5, 2024
    Publication date: November 28, 2024
    Inventors: Haruhiko SOGABE, Daiki MAEMOTO, Hideaki TAKAHASHI
  • Patent number: 12150177
    Abstract: User equipment includes a transmitter configured to transmit a random access preamble or an identifier of the user equipment to a base station apparatus in a two-step random access procedure, a receiver configured to receive a response signal corresponding to at least one of the random access preamble and the identifier of the user equipment, and a downlink signal based on the response signal, from the base station apparatus, and a control unit configured to determine that a contention resolution is successful when information included in the downlink signal matches a part of or all of the identifier of the user equipment.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: November 19, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Tooru Uchino, Hideaki Takahashi
  • Publication number: 20240365333
    Abstract: A terminal includes a reception unit configured to receive system information including second information related to a cell to which first information related to a subgroup in one or more paging occasions is transmitted; and a control unit configured to control monitoring of a PDCCH for first downlink control information including the first information based on the second information in a case of an idle state or an inactive state, in which the control unit is configured to monitor the PDCCH for the first downlink control information including the first information in a cell in which an RRC release message is received when the second information is configured for a last cell indicating the cell in which the RRC release message is received, and monitor the PDCCH for the first downlink control information including the first information in a serving cell when the second information is not configured.
    Type: Application
    Filed: July 3, 2024
    Publication date: October 31, 2024
    Inventors: Tatsuki Nagano, Hideaki Takahashi
  • Publication number: 20240357685
    Abstract: A UE configured to perform communication with an MCG managed by a master node and an SCG managed by a secondary node comprises: including an MAC entity associated with the SCG; and receiving information instructing deactivation of the SCG. The MAC entity manages a BFD parameter for performing BFD on the SCG, and in a case in which the deactivation of the SCG is instructed and the UE is configured to perform the BFD, the controller is configured to control not resetting or not stopping the BFD parameter in a process of resetting the MAC entity.
    Type: Application
    Filed: July 3, 2024
    Publication date: October 24, 2024
    Inventors: Daiki MAEMOTO, Hideaki TAKAHASHI
  • Publication number: 20240357613
    Abstract: A communication apparatus comprises: a receiver configured to receive a system information block (SIB) from a base station; and a controller configured to determine a number of bits of a bitmap for an availability indication of a tracking reference signal (TRS) in downlink control information (DCI). The controller is configured to determine, in a case where a TRS resource set configuration that is a list of TRS resource sets is included in the SIB, the number of bits on a basis of an identifier related to the TRS resource set, and determine, in a case where the TRS resource set configuration is not included in the SIB, the number of bits as 0.
    Type: Application
    Filed: June 27, 2024
    Publication date: October 24, 2024
    Inventors: Tatsuki NAGANO, Hideaki TAKAHASHI
  • Publication number: 20240357672
    Abstract: A UE configured to perform communication with an MCG managed by a master node and an SCG managed by a secondary node comprises including an MAC entity associated with the SCG. The MAC entity manages, for each logical channel, a variable that is for uplink resource allocation to each logical channel used for communication with the SCG and has a value increasing with lapse of time. The UE is configured to perform, for the variable, a first process in reset of the MAC entity by deactivation of the SCG, perform a second process while the SCG is in an inactive state, and perform a third process when the SCG is activated.
    Type: Application
    Filed: July 3, 2024
    Publication date: October 24, 2024
    Inventors: Daiki MAEMOTO, Hideaki TAKAHASHI
  • Patent number: 12127033
    Abstract: A terminal includes a reception unit that receives, from a base station, a message for requesting to report a terminal capability, a control unit that configures information for reporting a parameter associated with a codebook based on information for indicating a range of the parameter associated with the codebook included in the message for requesting the report of the terminal capability, and that includes, in a message for reporting the terminal capability, the information for reporting the parameter associated with the codebook, and a transmission unit that transmits the message for reporting the terminal capability to the base station.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: October 22, 2024
    Assignee: NTT DOCOMO, INC.
    Inventors: Hideaki Takahashi, Akihito Hanaki
  • Publication number: 20240349110
    Abstract: A base station configured to operate as an MN in a case of using dual connectivity in which the MN and an SN communicate with a UE, the base station includes: configuring a plurality of measurement gap patterns in the UE; and transmitting MN configuration gap information indicating a configuration of each of the plurality of measurement gap patterns to the SN via a network interface.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 17, 2024
    Inventors: Tomoyuki YAMAMOTO, Hideaki TAKAHASHI
  • Publication number: 20240349388
    Abstract: A communication apparatus that is a second communication apparatus having a communication capability reduced as compared with a first communication apparatus having a designated communication capability, the communication apparatus includes: a controller configured to perform a random access procedure using a specific initial BWP for the second communication apparatus, which is a bandwidth part (BWP) that is a part of a bandwidth of a cell of a base station in a radio resource control (RRC) idle state or an RRC inactive state. The controller is configured to switch the specific initial BWP to an initial BWP in which a CD-SSB is present, when the random access procedure has failed, in a case where no cell defining-synchronization signal block and physical broadcast channel block (CD-SSB) is present on the specific initial BWP.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 17, 2024
    Inventors: Haruhiko Sogabe, Daiki Maemoto, Hideaki Takahashi