Patents by Inventor Ryota Yamada

Ryota Yamada 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: 10869165
    Abstract: To provide a base station apparatus, a terminal apparatus, a location server, and a communication apparatus that are capable of improving position estimation accuracy. A physical signal generating unit configured to generate first positioning reference signal and second positioning reference signal, and a transmitter configured to transmit the first positioning reference signal and the second positioning reference signal to a terminal apparatus are provided. The first positioning reference signal is mapped on one resource block and the second positioning reference signal is mapped on at least six resource blocks. The resource block is constituted of prescribed subcarriers in a frequency domain. A maximum v number of consecutive subframes on which the first positioning reference signal is transmitted is larger than a maximum number of consecutive subframes on which the second positioning reference signal is transmitted.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: December 15, 2020
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Ryota Yamada, Katsuya Kato, Yasuhiro Hamaguchi
  • Publication number: 20200389885
    Abstract: A terminal apparatus according to an aspect of the present embodiment acquires multiple pieces of sounding reference signal (SRS) resource set configuration information indicating a configuration of multiple SRS resources, transmits an SRS and an uplink shared channel (PUSCH) based on the multiple SRS resources, acquires information (SRI) indicating one of the multiple SRS resources included in a piece of SRS resource set configuration information of the multiple pieces of SRS resource set configuration information, from control information (DCI) transmitted via a downlink control information channel (PDCCH), and acquires, from the DCI, information indicating whether only one of the multiple pieces of SRS resource set configuration information is associated with the PUSCH.
    Type: Application
    Filed: November 6, 2018
    Publication date: December 10, 2020
    Inventors: HIROMICHI TOMEBA, RYOTA YAMADA, HIDEO NAMBA, ATSUSHI SHIRAKAWA
  • Publication number: 20200382967
    Abstract: An apparatus includes a carrier sense unit configured to perform carrier sense on a signal observed by using a prescribed beam width, and a transmitter configured to transmit a data signal by performing beamforming within the prescribed beam width in a case that the carrier sense is successful by using the prescribed beam width. The carrier sense unit determines success or failure, based on an energy detection threshold. A beam gain of a beam used for the carrier sense is considered for the energy detection threshold.
    Type: Application
    Filed: July 10, 2018
    Publication date: December 3, 2020
    Inventors: RYOTA YAMADA, HIROMICHI TOMEBA
  • Publication number: 20200369066
    Abstract: A method for processing a sheet for bookbinding includes operations. A cut is formed that divides a thickness of the sheet in a binding-side side surface of the sheet. A portion of a connection piece that is attached to the sheet is inserted into the cut as an inserted portion, and functions as a hinge in a book-bound state. The portion of the connection piece inserted into the cut is joined to the sheet.
    Type: Application
    Filed: May 21, 2020
    Publication date: November 26, 2020
    Inventors: Ryota Yamada, Shinya Miura
  • Patent number: 10849114
    Abstract: To provide a base station apparatus, a terminal apparatus, and a communication method where the terminal efficiently learns information of an interference signal and reduces interference in a reception process to thereby enhance throughput. Provided is a terminal apparatus for communicating with a base station apparatus, the terminal apparatus including: a higher layer processing unit for which multiuser superposition transmission (MUST) is configured by the base station apparatus; and a reception unit configured to receive, in a case that the MUST is configured, downlink control information including any of power allocation information, presence/absence of interference, and indication of whether the terminal apparatus is a near-UE or a far-UE or a superposition transmission method.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: November 24, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Ryota Yamada, Jungo Goto, Osamu Nakamura, Takashi Yoshimoto
  • Patent number: 10841811
    Abstract: A base station apparatus, a terminal apparatus, and a communication method are provided that achieve a radio access network in which beam sweeping is appropriately performed in an environment in which a plurality of frame formats are used in a multiplexed fashion. The base station apparatus according to the present invention includes an antenna unit for which a plurality of beam patterns is configurable, a frame configuration unit capable of configuring a plurality of frame configurations; and a beam sweeping unit configured to perform beam sweeping based on a prescribed frame configuration in a case that a frame configuration configured by the frame configuration unit is the prescribed frame configuration.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: November 17, 2020
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Hiromichi Tomeba, Ryota Yamada
  • Publication number: 20200336355
    Abstract: A terminal apparatus for communicating with a base station apparatus, the terminal apparatus including: a receiver configured to receive downlink control information and a downlink shared channel; and a signal detection unit configured to demodulate the downlink shared channel (PDSCH) by using the downlink control information, wherein the downlink control information includes information for indicating an antenna port number and the number of code division multiplexing (CDM) groups for a demodulation reference signal (DMRS), each of the CDM groups indicates a DMRS port to be multiplexed by CDM, the PDSCH is demodulated in consideration of a power ratio of the DMRS and the PDSCH, and whether or not to consider powers of the DMRS and the PDSCH, based on the number of the CDM groups, is determined based on the downlink control information.
    Type: Application
    Filed: November 8, 2018
    Publication date: October 22, 2020
    Inventors: RYOTA YAMADA, HIROMICHI TOMEBA, HIDEO NAMBA, ATSUSHI SHIRAKAWA
  • Publication number: 20200330833
    Abstract: Provided is a ball collecting drum, which is configured to roll on a surface to collect a plurality of balls on the surface. The ball collecting drum includes: a plurality of discs; an annular multi-row groove including annular grooves formed between adjacent discs of the plurality of discs. Ball pockets formed, on an outer periphery of the plurality of discs in the annular groove formed between the adjacent plurality of discs have elasticity to allow entry and exit of a ball, and are continuously formed in each of the annular grooves. Each of the ball pockets has a size so that only one ball is allowed to be held therein. The ball pockets formed in the adjacent annular grooves are formed at positions deviated from each other in a circumferential direction of the annular grooves.
    Type: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Inventors: Kenji NAKANO, Ryota YAMADA
  • Publication number: 20200322957
    Abstract: A base station apparatus according to the present invention includes a transmitter configured to transmit a downlink signal by using a first component carrier and a second component carrier, and a receiver configured to receive an uplink signal transmitted by the terminal apparatus by using at least the second component carrier. The transmitter transmits spatial relation information in the uplink signal, the spatial relation information is information indicating a spatial domain transmission filter for transmitting the uplink signal, and the spatial relation information in the second component carrier includes information indicating the first component carrier.
    Type: Application
    Filed: November 12, 2018
    Publication date: October 8, 2020
    Inventors: HIROMICHI TOMEBA, RYOTA YAMADA, HIDEO NAMBA, ATSUSHI SHIRAKAWA
  • Publication number: 20200322208
    Abstract: The present invention relates to a base station apparatus, a terminal apparatus, and a communication method. In a case that Multi-User Superposition Transmission (MUST) is applied, the transmit power for applying 256 QAM is insufficient. MUST is efficiently applied in an environment in which an MCS table including 256 QAM is configured for use. The base station includes an MCS configuration unit configured to hold a first table including MCS indices that include 256 QAM, and a second table not including 256 QAM, and in a case of performing MUST, configure an MCS not including 256QAM for downlink data of the second terminal, and a PDSCH generating unit configured to generate, by use of MUST, downlink data of the first terminal and downlink data of the second terminal that are generated based on the MCS indices configured.
    Type: Application
    Filed: February 23, 2017
    Publication date: October 8, 2020
    Inventors: OSAMU NAKAMURA, JUNGO GOTO, RYOTA YAMADA, TAKASHI YOSHIMOTO, YASUHIRO HAMAGUCHI
  • Publication number: 20200314844
    Abstract: To provide a base station apparatus, a terminal apparatus, and a communication method for achieving a high frequency efficiency while coexisting with other radio access systems in an environment where multiple frame formats are multiplexed for use. A base station apparatus according to the present invention includes a transmitter configured to configure at least one frame structure of multiple frame structures in the second frequency band, notify the terminal apparatus of control information relating to the frame structure, and configure a non-transmit period with prescribed length between multiple signal transmit periods of the frame structure.
    Type: Application
    Filed: June 27, 2017
    Publication date: October 1, 2020
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: HIROMICHI TOMEBA, RYOTA YAMADA
  • Publication number: 20200314267
    Abstract: A display control device includes a display section, a first receiving section, a second receiving section, and a performing section. The display section displays an object. The first receiving section receives non-voice input specifying a first operation on the object. The second receiving section receives voice input specifying a second operation on the object. The performing section performs, on the object, a complex operation specified by the non-voice input and the voice input.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Applicant: KYOCERA Document Solutions Inc.
    Inventors: Nobuto FUJITA, Kenji KIYOSE, Sumio YAMADA, Takayuki MASHIMO, Ryota SEIKE, Koji KURODA
  • Publication number: 20200303393
    Abstract: A semiconductor memory device according to an embodiment includes a semiconductor substrate; a laminated body formed by laminating a plurality of electrode layers on the semiconductor substrate; a memory film provided in the laminated body and including a first block insulation film disposed in a direction perpendicular to the electrode layer, a charge storage film facing the first block insulation film, a tunnel insulation film facing the charge storage film, and a channel film facing the tunnel insulation film; and a barrier layer provided at at least one of interface between the plurality of electrode layers and the memory film and an interface in the memory film and mainly composed of carbon.
    Type: Application
    Filed: September 12, 2019
    Publication date: September 24, 2020
    Applicant: Toshiba Memory Corporation
    Inventors: Ryota Fujitsuka, Kenta Yamada, Takanori Yamanaka, Takayuki Okada, Hirokazu Ishigaki, Hiroki Kishi, Nobushi Matsuura, Takashi Yamane, Ryota Suzuki
  • Patent number: 10778770
    Abstract: In a network system, an own subsystem recognition unit is provided in each of subsystems, and holds a state and a function of the own subsystem. A shared information communication unit acquires states and functions of the subsystems. An objective acceptance unit accepts a setting of a target state. A shared storage unit stores knowledge regarding a combination structure of functions of the respective subsystems necessary for realizing the target state. A structure setting unit automatically sets a combination structure of functions of the respective subsystems, including determining whether the function of each of the subsystems is to be activated, based on the target state, states and functions of the subsystems, and the knowledge regarding a combination structure. A role determination unit determines functions to be executed by the respective subsystems based on the automatically set combination structure. A role notification unit notifies the subsystems of the determined respective functions.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: September 15, 2020
    Assignee: OMRON CORPORATION
    Inventors: Atsushi Hisano, Ryota Yamada, Tanichi Ando, Yusuke Yamaji, Tetsuji Yamato, Koji Takizawa
  • Patent number: 10767605
    Abstract: A heat exchanger includes: a stack formed by stacking a plurality of tubes through which gas flow; a tubular inner tank in which the stack is housed; and a tubular outer tank that is mounted on the outside of the inner tank so as to define an inner space between the outer tank and an outer peripheral surface of the inner tank. Each of both end portions of the tubes has a thickness greater than each of middle portions of the tubes. The both end portions of the tubes adjacent to each other in the stack are joined together so as to form a clearance between the middle portions of the adjacent tubes in the stack. Outer peripheries of both end portions of the stack are joined to an inner peripheral surface of the inner tank. An introduction hole for introducing a cooling medium is formed in the outer tank.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: September 8, 2020
    Assignee: TOKYO ROKI CO., LTD.
    Inventors: Tatsuto Yamada, Hajime Fujiki, Ryota Niimura, Yusuke Sakata, Masahiro Kanda
  • Publication number: 20200274668
    Abstract: An apparatus includes: a higher layer processing unit configured to configure multiple channel state information reference signal (CSI-RS) resources and assistance information; a transmitter configured to transmit CSI-RSs by using the multiple CSI-RS resources; and a receiver configured to receive, from the terminal apparatus, information (CRI) indicating one CSI-RS resource of the multiple CSI-RS resources. The assistance information is information for assisting the terminal apparatus in cancelling or suppressing neighbor cell interference, and one or more of the assistance information is configured for the CRI.
    Type: Application
    Filed: September 10, 2018
    Publication date: August 27, 2020
    Inventors: RYOTA YAMADA, HIROMICHI TOMEBA
  • Publication number: 20200245269
    Abstract: A base station apparatus according to the present invention includes a carrier sense unit configured to perform carrier sense for reserving a wireless medium during a prescribed period of time, and a transmitter configured to transmit a synchronization signal, wherein the synchronization signal has a comb-teeth-shaped frequency spectrum, multiple frequency candidates are configured for a frequency at which mapping of the synchronization signal with the comb-teeth-shaped frequency spectrum is to be started, and the frequency at which the mapping of the synchronization signal is to be started is associated with information indicating the base station apparatus, the frequency being selected by the transmitter.
    Type: Application
    Filed: August 8, 2018
    Publication date: July 30, 2020
    Inventors: HIROMICHI TOMEBA, RYOTA YAMADA
  • Publication number: 20200245356
    Abstract: A communication apparatus according to the present invention is a communication apparatus for transmitting data using multiple frequency channels, the communication apparatus including: a transmitter configured to transmit a radio frame by using the multiple frequency channels; and a carrier sense unit configured to perform carrier sense using at least one of the multiple channels, wherein in a case that the transmitter transmits the radio frame without using the at least one of the multiple channels on which the carrier sense is performed, at least a result of the carrier sense by the carrier sense unit indicates an idle state.
    Type: Application
    Filed: August 7, 2018
    Publication date: July 30, 2020
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: HIROMICHI TOMEBA, RYOTA YAMADA
  • Publication number: 20200236555
    Abstract: A communication apparatus according to the present invention includes: a carrier sense unit configured to perform a carrier sense and reserve a radio medium only during a prescribed period of time; and a transmitter configured to transmit a signal with radio parameters including at least a beam direction in the prescribed period of time, wherein in a case that the transmitter transmits the signal with a plurality of the radio parameters in the prescribed period of time, the carrier sense unit performs the carrier sense, based on the plurality of the radio parameters.
    Type: Application
    Filed: September 12, 2018
    Publication date: July 23, 2020
    Inventors: HIROMICHI TOMEBA, RYOTA YAMADA
  • Publication number: 20200230954
    Abstract: A printer includes a main power supply switch to drive a controller, and a sub-power supply switch to enable printing on a recording medium. The controller includes a memory that stores a turn-on frequency of turning on of the sub-power supply per a unit time in a predetermined period of a predetermined first duration, a calculator that calculates a sum of the turn-on frequency in a predetermined second duration for each of predetermined second durations starting at different start times, in the predetermined period, a specifier that specifies, as a specified start time, a start time of the predetermined second duration for which the sum calculated by the calculator is at a maximum, and a cleaner that performs a cleaning operation of discharging ink from at least the nozzles at the specified start time.
    Type: Application
    Filed: January 14, 2020
    Publication date: July 23, 2020
    Inventor: Ryota YAMADA