Patents by Inventor Hiroki Harada

Hiroki Harada 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: 11457493
    Abstract: In order to control communication operations properly in a secondary cell even when a beam failure and/or a BR failure occur in the secondary cell, a user terminal, according to one aspect of the present disclosure, has a control section that controls adjustment of a deactivation timer for a certain secondary cell and/or indication of a beam failure and/or a beam recovery (BR) failure in the certain secondary cell, based on the beam failure and/or a result of BR in the certain secondary cell, and a transmission section that transmits information about the beam failure and/or the BR failure in the certain secondary cell by using another cell.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: September 27, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Satoshi Nagata, Jing Wang, Liu Liu
  • Publication number: 20220304056
    Abstract: A terminal includes a receiving unit that receives a signal; a control unit that configures a frequency resource to be measured based on an information element indicating a center frequency or a measurement bandwidth, wherein the information element is included in the signal received by the receiving unit; and a transmitting unit that transmits a result of a Received Signal Strength Indicator (RSSI) measurement or a result of a channel occupancy measurement, wherein the RSSI measurement or the channel occupancy measurement is performed on the frequency resource to be measured that is configured by the control unit.
    Type: Application
    Filed: June 21, 2019
    Publication date: September 22, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Daisuke Murayama, Daisuke Kurita
  • Publication number: 20220303811
    Abstract: A user equipment includes a transmitting unit that transmits a measurement result of a secondary cell; a receiving unit that receives a signal to activate the secondary cell; and a control unit that uses previously obtained information of the secondary cell to activate the secondary cell when a predetermined condition associated with a power class of the user equipment is satisfied.
    Type: Application
    Filed: May 10, 2019
    Publication date: September 22, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuichi Kakishima, Takuma Takada, Naoki Fujimura, Hiroki Harada
  • Patent number: 11451313
    Abstract: Disclosed is a method for detecting radio link failure (RLF) and user equipment (UE). The UE is configured with multiples pairs of beams, each pair of beams comprising a transmitting beam used by a base station (BS) to transmit a signal and a corresponding receiving beam used by the UE to receive the signal. The method includes: in a lower layer, measuring the quality of a reference signal received through a receiving beam in each pair of beams and transmitted by a BS using a transmitting beam corresponding to the receiving beam, to serve as the channel quality for the multiple transmitting beams included in the multiple pairs of beams; determining whether the channel quality for the multiple transmitting beams meets a first condition; if so, transmitting to an upper layer an Out-Of-Sync (OOS) indication information, such that the upper layer determines if, according to the OOS indication information, RLF has occurred. As such, the present invention enables detection of RLF in a multi-beam scenario.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: September 20, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Jing Wang, Liu Liu, Huiling Jiang, Hiroki Harada
  • Patent number: 11448893
    Abstract: A zoom optical system (ZL) includes: a first lens group (G1) having negative refractive power; a second lens group (G2) having positive refractive power, the second lens group (G2) being disposed further toward an image than the first lens group (G1); and a succeeding lens group (GL) having a vibration-isolating group (GVRb) that moves so as to have a displacement component in a direction orthogonal to an optical axis, the succeeding lens group (GL) being disposed further toward the image than the second lens group (G2), a distance between the first lens group (G1) and the second lens group (G2) changing and a distance between the second lens group (G2) and the succeeding lens group (GL) changing upon zooming, and the following conditional expression being satisfied: 4.899?|f1VRaw/fw|<1000.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: September 20, 2022
    Assignee: NIKON CORPORATION
    Inventor: Hiroki Harada
  • Publication number: 20220291188
    Abstract: A conductive particle detecting device includes a plurality of electrodes, a permanent magnet, and a detecting circuit. The plurality of electrodes are arranged at intervals in a lubricant. The permanent magnet accumulates conductive particles in the lubricant between adjacent electrodes by a magnetic force. The detecting circuit detects target conductive particles based on electrical resistance between the adjacent electrodes. An attractive force of the permanent magnet acting on the conductive particles between the adjacent electrodes is set such that the lubricant remains as a non-conductive layer around fine-sized conductive particles having a smaller particle size than the target conductive particles.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 15, 2022
    Inventors: Masakazu KURITA, Hiroki MORI, Koji NAKAMURA, Kazuhiko SAKURAI, Masaki HARADA
  • Publication number: 20220289914
    Abstract: Provided is a method for producing an aqueous clear coating composition that is capable of providing an aqueous clear coating composition comprising inorganic oxide fine particles as an ultraviolet absorber and an aqueous silicone resin emulsion having good storage stability, which aqueous clear coating composition is capable of forming a coating film being superior in weatherability and durability (especially acid resistance) and high in transparency.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 15, 2022
    Applicant: NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.
    Inventors: Taishi Higaki, Hiroki Ando, Yasumasa Nishiwaki, Masahiko Harada, Takehiro Ojima
  • Publication number: 20220295478
    Abstract: A user terminal includes a receiving section that receives downlink control information including information indicating a first combination of one or more slot formats, and a control section that controls modification of the slot formats determined based on the information indicating the first combination in a case where another downlink control information including a second combination of one or more slot formats is detected on a monitoring occasion with periodicity shorter than a period corresponding to the one or more slot formats, based on the information indicating the second combination. This allows a slot format of each slot to be flexibly controlled.
    Type: Application
    Filed: May 2, 2019
    Publication date: September 15, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Murayama, Hiroki Harada
  • Publication number: 20220295472
    Abstract: A user terminal according to an aspect of the present disclosure includes a receiving section that receives control information for transmission of an uplink signal in a certain band, and a control section that performs control to allocate, to a plurality of sets of frequency resources less than 1 resource block included in the certain band, corresponding parts of the uplink signal that correspond to the plurality of sets, and simultaneously transmit the corresponding parts of the uplink signal. According to an aspect of the present disclosure, it is possible to appropriately control full power transmission.
    Type: Application
    Filed: May 2, 2019
    Publication date: September 15, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Matsumura, Masaya Okamura, Hiroki Harada, Satoshi Nagata
  • Patent number: 11445554
    Abstract: User equipment communicates with a base station apparatus, and the user equipment includes a receiver that receives, from the base station apparatus, one or more blocks, wherein each of the one or more blocks includes information used for initial access and the information used for the initial access is associated with a beam transmitted from the base station apparatus; a controller that specifies a resource for transmitting a preamble based on the information included in the one or more blocks; a transmitter that transmits the preamble to the base station apparatus using the specified resource, wherein the information included in each of the one or more blocks includes a set for specifying a plurality of resources and preambles.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: September 13, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Tomoya Ohara, Hiroki Harada
  • Patent number: 11445551
    Abstract: A base station apparatus that communicates with a user apparatus is provided. The base station apparatus includes: a setting unit configured to arrange in a radio frame one or more blocks and information, the one or more blocks including information used for initial access, the information specifying resources that are associated with the blocks and are used for transmitting preambles; a transmission unit configured to transmit the radio frame to the user apparatus; and a reception unit configured to receive the preambles from the user apparatus via the resources. The information specifying the resource is set based on locations of the blocks arranged in the radio frame.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: September 13, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Tomoya Ohara, Hiroki Harada
  • Publication number: 20220286222
    Abstract: A terminal receives a radio frame having a second slot pattern to be used in a case in which a modulation system (FTN) different from a modulation system in a case of using a first slot pattern is applied. The terminal applies for the second slot pattern a configuration of an uplink and a downlink according to a time division duplex in the radio frame by using a reference subcarrier spacing same as that for the first slot pattern.
    Type: Application
    Filed: August 8, 2019
    Publication date: September 8, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Satoshi Nagata, Shaozhen Guo, Jing Wang, Xiaolin Hou
  • Publication number: 20220286330
    Abstract: A terminal receives a slot that includes a plurality of symbols. The terminal determines the number of symbols included in a sub-frame on the basis of a time length of the symbol.
    Type: Application
    Filed: July 18, 2019
    Publication date: September 8, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroki Harada, Satoshi Negata, Shaozhen Guo, Jing Wang, Xin Wang, Xiaolin Hou
  • Publication number: 20220287091
    Abstract: A user terminal includes a receiving section that receives downlink control information including information indicating a combination of one or more slot formats, and a control section that assumes that a channel occupancy time (COT) ends at an end of a period corresponding to the one or more slot formats. This allows the user terminal to appropriately determine the end of the COT.
    Type: Application
    Filed: May 2, 2019
    Publication date: September 8, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Murayama, Hiroki Harada
  • Publication number: 20220287085
    Abstract: A user terminal includes a receiving section that measures received power in a frequency in which channel sensing is applied, and a control section that performs transmission in the frequency on the basis of sensing within random time in a contention window size (CWS) based on the measurement. According to an aspect of the present disclosure, it is possible to perform appropriate communication in an unlicensed band.
    Type: Application
    Filed: May 2, 2019
    Publication date: September 8, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Murayama, Hiroki Harada
  • Publication number: 20220286174
    Abstract: A user terminal according to one aspect of the present disclosure includes: a control section that, when capability information that indicates that full power transmission is supported is transmitted, and when a non coherent or partial and non coherent codebook subsets are configured, assumes that downlink control information can indicate a fully coherent codebook subset; and a transmitting section that performs the full power transmission by applying the fully coherent codebook subset to uplink transmission based on the downlink control information. According to one aspect of the present disclosure, it is possible to appropriately control full power transmission.
    Type: Application
    Filed: May 2, 2019
    Publication date: September 8, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Masaya Okamura, Yuki Matsumura, Hiroki Harada
  • Publication number: 20220286987
    Abstract: A terminal receives a plurality of SSBs in a frequency band including one frequency range or a plurality of frequency ranges and a different frequency band different from the frequency band. The SSBs are divided into a plurality of synchronization signal groups. The terminal receives the synchronization signal groups transmitted according to a periodicity shorter than a defined transmission periodicity.
    Type: Application
    Filed: July 30, 2019
    Publication date: September 8, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Daisuke Kurita, Hiroki Harada, Satoshi Nagata
  • Publication number: 20220279357
    Abstract: In a band sharing communication system in which there are a primary system and a secondary system in descending order of priority of communication, the systems share frequency bands, and a base station or a line control device performs allocation of a requested band of a terminal station of each system, the base station or the line control device includes: occupied band setting means for setting a primary occupied band and a secondary occupied band adjacent to the primary occupied band; band allocation means for allocating a vacant band of the primary occupied band with respect to a requested band of a primary terminal station and allocating a vacant band of the secondary occupied band with respect to a requested band of a secondary terminal station; and band transferring means for, when there is no vacant band in the primary occupied band with respect to the requested band of the primary terminal station, if a vacant band equivalent to the requested band is present in the secondary occupied band such that th
    Type: Application
    Filed: July 24, 2019
    Publication date: September 1, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Daisuke GOTO, Fumihiro YAMASHITA, Munehiro MATSUI, Hiroki SHIBAYAMA, Yutaka IMAIZUMI, Koichi HARADA, Izumi URATA, Masaki SHIMA
  • Publication number: 20220279543
    Abstract: A terminal according to an aspect of the present disclosure includes a control section that assumes a certain restriction being applied to a communication supporting a subcarrier spacing wider than a certain subcarrier spacing, and a transmitting/receiving section that performs transmission/reception processing of the communication based on the certain restriction. According to an aspect of the present disclosure, it is possible to suitably suppress adverse influence of a time taken for communication switching even when a relatively wide subcarrier spacing is used.
    Type: Application
    Filed: July 29, 2019
    Publication date: September 1, 2022
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Yuki Matsumura, Hiroki Harada, Satoshi Nagata, Lihui Wang
  • Patent number: 11432330
    Abstract: A user apparatus in a radio communication system that includes a base station and the user apparatus includes a transmission unit that transmits a random access preamble with the use of a beam out of a plurality of beams; and a counter retaining unit that has, for each beam, a counter that indicates the number of times of power ramping performed in transmission of a random access preamble.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: August 30, 2022
    Assignee: NTT DOCOMO, INC.
    Inventors: Tomoya Ohara, Hiroki Harada