Patents by Inventor Tsuyoshi Shimomura

Tsuyoshi Shimomura 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: 11072720
    Abstract: The present invention provides an aqueous ink of active energy ray curable type for ink jet. The aqueous ink contains resin particles and a photo acid generator. The resin particles include a reactive group-containing resin having at least one reactive group selected from the group consisting of an epoxy group, an oxetanyl group and a vinyl ether group. Further provided are an ink cartridge and an ink jet recording method in which the aqueous ink is used.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: July 27, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Furuse, Naofumi Shimomura, Takayuki Horiuchi, Akemi Watanabe, Yoko Uetake, Shoji Shiba
  • Publication number: 20210204289
    Abstract: A base station device includes: a processor that executes a process including generating a first data channel, generating a control channel that includes allocation information on the first data channel, group identifying information for identifying a group of data channel and control information that instructs to collectively feed back an acknowledgement related to the first data channel together with an acknowledgement related to a second data channel that belongs to a same group as the first data channel and that is transmitted after the first data channel, and judging whether a frequency band for which a license is not needed to use in wireless communication is being used by another device; and a transmitter that transmits, when it is judged that the frequency band is not being used, the first data channel and the control channel by using the frequency band.
    Type: Application
    Filed: March 11, 2021
    Publication date: July 1, 2021
    Applicant: FUJITSU LIMITED
    Inventor: Tsuyoshi Shimomura
  • Patent number: 11050477
    Abstract: A base station apparatus includes: a memory; and processor circuitry coupled to the memory, wherein the processor circuitry is configured to: execute notification processing that includes transmitting a notification signal of a first information associated with a reliability of data transmission, execute transmission processing that includes transmitting a reference signal in two or more frequency bands, and execute reception processing that includes receiving a measurement report that includes a channel quality information of the frequency bands, the channel quality information being derived in accordance with the reliability of the data transmission associated with the first information.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: June 29, 2021
    Assignee: FUJITSU LIMITED
    Inventor: Tsuyoshi Shimomura
  • Publication number: 20210160925
    Abstract: A transmission device, which is capable of wirelessly communicating with a reception device by using a first frequency band that does not need a license, the transmission device including, a controller configured to verify whether the first frequency band is not used by other transmission devices, and shift, in a time direction, a first symbol including a first control channel and a first shared channel in a first communication direction, or a second symbol including a second shared channel in a second communication direction different from the first communication direction, and a transmitter configured to transmit, to the reception device, a first control signal and first data, which are allocated to the first symbol, by using the first control channel and the first shared channel, respectively, or second data allocated to the second symbol by using the second shared channel.
    Type: Application
    Filed: February 4, 2021
    Publication date: May 27, 2021
    Applicant: FUJITSU LIMITED
    Inventor: Tsuyoshi Shimomura
  • Publication number: 20210135834
    Abstract: A base station that switches between uplink periods and downlink periods in a time division manner and performs communication, the base station includes a memory; processor circuitry coupled to the memory, wherein the processor circuitry is configured to: notify of allocation information indicating a combination of resources for time division duplex (TDD) uplink (UL) or downlink (DL) configuration at a predetermined interval; and generate control information indicating cancelation of transmission of a downlink signal, wherein the canceled transmission is configured to be performed by using one of the resources designated by the allocation information, and wherein the processor circuitry is further configured to transmit the generated control information.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 6, 2021
    Applicant: FUJITSU LIMITED
    Inventor: Tsuyoshi Shimomura
  • Publication number: 20210112594
    Abstract: A terminal device includes a processor and a memory connected to the processor, wherein the processor executes a process including: receiving a resource specifying signal that specifies a random access resource used to transmit a preamble for random access; selecting one preamble from a plurality of preamble candidates previously acquired; and transmitting the selected preamble by using a random access resource arranged in timing based on a reception timing of the resource specifying signal.
    Type: Application
    Filed: December 21, 2020
    Publication date: April 15, 2021
    Applicant: FUJITSU LIMITED
    Inventors: Tsuyoshi Shimomura, YOSHINORI TANAKA
  • Publication number: 20210112566
    Abstract: A mobile station is a mobile station configured to transmit data to a base station by performing priority control, and includes a memory and a processor coupled to the memory and configured to be capable of transmitting a plurality of pieces of data having different requirements corresponding to a plurality of channel groups, and be capable of, when performing the priority control, applying a radio resource specified by the base station to a channel group specified by the base station out of the channel groups and controlling transmission of the data.
    Type: Application
    Filed: December 21, 2020
    Publication date: April 15, 2021
    Applicant: FUJITSU LIMITED
    Inventors: Yoshiaki Ohta, YOSHIHIRO KAWASAKI, Takayoshi Ode, Nobuhisa Aoki, KENJI SUDA, Tsuyoshi Shimomura, Hongyang CHEN, Huiting Cheng
  • Patent number: 10972228
    Abstract: A base station device including: a transmitter configured to transmit a transport block that includes a plurality of code block groups; and a receiver configured to receive a confirmation signal which indicates that one or more code block groups of the plurality of code block groups has not been successfully received, wherein the transmitter transmits a control signal when the receiver receives the confirmation signal, and the control signal comprises first information that indicates the one or more code block groups to be retransmitted and second information that indicates data is combined with the one or more code block groups being retransmitted and earlier received one or more code block groups stored in a buffer.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: April 6, 2021
    Assignee: FUJITSU LIMITED
    Inventors: Hongyang Chen, Jianming Wu, Tsuyoshi Shimomura
  • Patent number: 10966244
    Abstract: A terminal device includes a processor and a memory connected to the processor, wherein the processor executes a process including: receiving a resource specifying signal that specifies a random access resource used to transmit a preamble for random access; selecting one preamble from a plurality of preamble candidates previously acquired; and transmitting the selected preamble by using a random access resource arranged in timing based on a reception timing of the resource specifying signal.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: March 30, 2021
    Assignee: Fujitsu Limited
    Inventors: Tsuyoshi Shimomura, Yoshinori Tanaka
  • Patent number: 10931432
    Abstract: A base station that switches between uplink periods and downlink periods in a time division manner and performs communication, the base station includes a memory; processor circuitry coupled to the memory, wherein the processor circuitry is configured to: notify of allocation information indicating a combination of resources for time division duplex (TDD) uplink (UL) or downlink (DL) configuration at a predetermined interval; and generate control information indicating cancelation of transmission of a downlink signal, wherein the canceled transmission is configured to be performed by using one of the resources designated by the allocation information, and wherein the processor circuitry is further configured to transmit the generated control information.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: February 23, 2021
    Assignee: FUJITSU LIMITED
    Inventor: Tsuyoshi Shimomura
  • Publication number: 20200374849
    Abstract: A base station device that allocates wireless resources to a terminal device and performs wireless communication with the terminal device using the allocated wireless resources, the base station device includes, deciding controller that decides, out of a plurality of retransmission patterns, a retransmission pattern for performing retransmission of data to the terminal device, in accordance with a communication state of wireless communication, and a transmitter that performs initial-time transmission processing of transmitting a control signal for wireless resource allocation control, and a data signal for data transmission including data to be transmitted to the terminal device, including retransmission pattern information relating to the retransmission pattern that has been decided, and retransmission processing of retransmitting the data signal including data to be transmitted to the terminal device, in accordance with the retransmission pattern that has been decided.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Tsuyoshi Shimomura, Jianming Wu
  • Publication number: 20200344025
    Abstract: A wireless communication system includes: a base station that transmits a first signal including information indicating whether the control information is able to be transmitted using the channel assigned to the transmission of the data; and a terminal that receives the first signal. In a case that the timing of transmitting the data and the timing of transmitting the control information overlap with each other, the terminal transmits, when the information in the first signal indicates that the control information is not able to be transmitted using the channel, the control information to the base station using a resource other than the channel, and transmits, when the information in the first signal indicates that the control information is able to be transmitted using the channel, the control information to the base station using the channel.
    Type: Application
    Filed: July 8, 2020
    Publication date: October 29, 2020
    Applicant: FUJITSU LIMITED
    Inventor: Tsuyoshi Shimomura
  • Publication number: 20200344757
    Abstract: A base station device is included in a communication system using a first frequency band that needs a license and a second frequency band that needs no license. The base station device includes: a processor that executes a process including judging whether the second frequency band is used by another communication system, and determining a transmission type indicating a time length of a transmission unit in the second frequency band based on a judgment result at the judging; and a transmitter that transmits notification information that notifies the transmission type determined at the determining.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Hongyang Chen, Jianming Wu, Tsuyoshi Shimomura
  • Publication number: 20200296743
    Abstract: A base station device includes: a processor circuitry configured to generate first data, second data to be transmitted with a latency-critical communication and an indication signal; and a transmitter configured to transmit the first data, the second data and the indication signal to a terminal device, wherein the indication signal includes a plurality of bits which have a one-to-one mapping with a plurality of sub-areas in an area that is used for transmitting the first data, when the indication signal indicates one or more sub-areas are used for transmitting the second data, the transmitter performs no transmission for the first data using the corresponding one or more sub-areas, when the indication signal indicates the one or more sub-areas are used for transmitting the first data, the transmitter transmits the first data using the corresponding one or more sub-areas without transmitting the second data using the corresponding one or more sub-areas.
    Type: Application
    Filed: June 2, 2020
    Publication date: September 17, 2020
    Applicant: FUJITSU LIMITED
    Inventors: Hongyang Chen, Jianming Wu, Tsuyoshi Shimomura
  • Patent number: 10772047
    Abstract: A terminal device includes a processor circuitry and a receiver. The processor circuitry is configured to perform dual connectivity with a cell group and a different cell group, and to control transmission power sharing between the cell group and the different cell group. The receiver is configured to receive a signal on the cell group and the different cell group.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: September 8, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Hongyang Chen, Jianming Wu, Tsuyoshi Shimomura
  • Patent number: 10750524
    Abstract: A base station device includes: a processor circuitry configured to generate an indication signal; and a transmitter configured to transmit the indication signal to a terminal device. The indication signal indicates that there is no transmission of first data to be scheduled in a resource, and the resource may be assigned second data to be transmitted at low latency.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: August 18, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Hongyang Chen, Jianming Wu, Tsuyoshi Shimomura
  • Patent number: 10728724
    Abstract: A communication device supports a D2D (Device-to-Device) communication and includes a storage, a scheduler and a transmitter. The storage stores a first resource pool information that indicates first resource pool including control resources allocated to control information for transmitting data and a second resource pool information that indicates second resource pool including data resources allocated to data. The scheduler selects a first resource for transmitting control information from the first resource pool and selects a second resource for transmitting data from the second resource pool. The transmitter transmits the control information by using the first resource and transmit the data by using the second resource. The scheduler selects the second resource from the second resource pool according to a received signal intensity in at least one of resources included in the first resource pool and the second resource pool.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: July 28, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Hongyang Chen, Tsuyoshi Shimomura, Yoshinori Tanaka
  • Publication number: 20200163070
    Abstract: A base station that performs wireless communication with a terminal using a first frequency band which does not need the license to use for the wireless communication, the base station includes: a controller configured to generate a request signal for requesting data transmission of the terminal in the first frequency band and specifying a first transmission timing of the terminal; and a transmitter configured to transmit to the terminal the request signal, wherein, the request signal includes information used for specifying a second transmission timing, which is a next transmission timing when the terminal does not perform data transmission at the first transmission timing and is specified by an offset from a reference timing.
    Type: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Applicant: FUJITSU LIMITED
    Inventor: Tsuyoshi Shimomura
  • Patent number: 10652868
    Abstract: A terminal apparatus includes a receiver configured to receive a radio signal; processor circuitry configured to generate a response signal to respond to the received radio signal; and a transmitter configured to transmit a plurality of types of signals including the generated response signal, wherein a size of a radio resource to be used for transmitting the generated response signal is changed when the plurality of types of signals including the generated response signal are transmitted on one physical uplink control channel (PUCCH) resource.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: May 12, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Tsuyoshi Shimomura, Yoshinori Tanaka
  • Patent number: 10602531
    Abstract: A communication system for which a first time period and a second time period different from the first time period are set in each of predetermined time intervals, includes: a base station; a first terminal configured to execute radio transmission between the first terminal and the base station in either one of an uplink and a downlink during the first time period and radio transmission between the first terminal and the base station in the other one of the uplink and the downlink in a direction opposite to the first time period during the second time period; and a second terminal configured to execute radio transmission between the second terminal and the base station in a link in the same direction as the first terminal during the first time period and does not execute radio transmission between the second terminal and the base station during the second time periods.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: March 24, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Yoshinori Tanaka, Tsuyoshi Shimomura