Patents by Inventor Osamu Nakamura

Osamu Nakamura 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: 10819388
    Abstract: In a case that a large number of terminal apparatuses accommodated in a contention based radio communication technology share a frequency resource, the number of data signals of the terminal apparatuses which are non-orthogonally multiplexed in the spatial domain increases. Therefore, in a case that the number of non-orthogonally multiplexed data signals of the terminals is considerably large, residual interference after removing interference in the reception processing degrades transmission performance.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: October 27, 2020
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Jungo Goto, Osamu Nakamura, Takashi Yoshimoto, Yasuhiro Hamaguchi
  • 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: 20200323031
    Abstract: A terminal apparatus for communicating with a base station apparatus, the terminal apparatus including: a radio receiving unit configured to receive a CSI reference signal; a controller configured to calculate channel state information (CSI); and a transmitter configured to transmit the CSI, wherein the controller calculates the CSI, based on an RRC parameter related to the number of repetitions in a case that a transport block error rate to be used in calculating the CSI is configured by a higher layer processing unit, and calculates the CSI that is not dependent on the RRC parameter related to the number of repetitions in a case that the transport block error rate to be used in calculating the CSI is not configured by the higher layer processing unit.
    Type: Application
    Filed: December 5, 2018
    Publication date: October 8, 2020
    Inventors: OSAMU NAKAMURA, JUNGO GOTO, YASUHIRO HAMAGUCHI
  • Patent number: 10797561
    Abstract: In a brushless wiper motor, a rotor (33) is rotatably provided inside a stator (32) provided with a coil (32b), one end side of a rotation shaft (34) in the axial direction is fixed to the axial center of the rotor (33), a worm (35) is provided on the other end side of the rotation shaft (34) in the axial direction, the first and second bearings (36, 37) are respectively provided on one end side of the rotation shaft (34) in the axial direction and the other end side of the rotation shaft (34) in the axial direction than the worm (35) of the rotation shaft (34), the rotation shaft (34) is rotatably supported by only the first and second bearings (36, 37), and with the position of the first bearing (36) being defined as a reference position, a length thereof in the axial direction to the second bearing (37) is longer than a length thereof in the axial direction to the rotor (33).
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: October 6, 2020
    Assignee: Mitsuba Corporation
    Inventors: Hirokazu Shoda, Yukiyoshi Iso, Osamu Nakamura
  • Patent number: 10757726
    Abstract: Selection of a suitable MCS improves throughput without increasing the number of pieces of control information. With RRC signaling, information on PDCCH and a CQI table that is referred to are associated with each other, and the CQI table that is referred to is determined based on information relating to the PDCCH. Thus, the CQI table that is referred to is selected at high speed. Furthermore, information relating to control information is control information that is included in the PDCCH or an ePDCCH. Furthermore, the information relating to the control information is a type of search space of the PDCCH or the ePDCCH.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: August 25, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Osamu Nakamura, Jungo Goto, Daiichiro Nakashima, Yasuhiro Hamaguchi
  • Publication number: 20200259612
    Abstract: A receiver configured to receive first information on a configuration of a demodulation reference signal via higher layer signaling and receive downlink control information including second information on transmission of the demodulation reference signal via a physical downlink control channel, and a transmitter configured to transmit the demodulation reference signal and uplink data are included. The transmitter transmits the demodulation reference signal and the uplink data by using a same OFDM symbol based on at least the first information and the second information.
    Type: Application
    Filed: September 25, 2018
    Publication date: August 13, 2020
    Applicants: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: OSAMU NAKAMURA, JUNGO GOTO, YASUHIRO HAMAGUCHI
  • Publication number: 20200254975
    Abstract: A replay plate 44 is set to have a vertically and horizontally symmetrical shape when a worm wheel 33 is viewed from its axial direction; the worm wheel 33 is provided with an accommodating concave portion 33g in which the relay plate 44 is housed so as to be recessed in the axial direction; and a part of a non-slidably contacting surface in a slidably contacting surface 44a of the relay plate 44, i.e., a non-slidably contacting surface S is covered with first and second fixing parts 35a, 35b that are provided around the accommodating concave portion 33g and protrude in a direction intersecting with an axial direction of the worm wheel 33, the non-slidably contacting surface being a surface with which the contact plate is not slidably contacted.
    Type: Application
    Filed: July 31, 2018
    Publication date: August 13, 2020
    Inventors: Osamu Nakamura, Hiroyuki Yoshida
  • Patent number: 10735136
    Abstract: Provided are a base station apparatus, a terminal apparatus and a communication method, capable of an efficient retransmission control of uplink data of which a resource for transmission is not discerned in grant-free multiple access. A terminal apparatus configured to communicate with a base station apparatus includes a transmitter configured to transmit an identifying signal indicating that the terminal apparatus itself transmits an uplink data channel and the uplink data channel. The uplink data channel includes an uplink data bit, a bit representing an identifier of the terminal apparatus, a first error detection bit generated from the uplink data bit, and a second error detection bit generated from the identifier of the terminal apparatus. The first error detection bit is scrambled using the identifier of the terminal apparatus, and the second error detection bit is scrambled using the identifying signal.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: August 4, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takashi Yoshimoto, Jungo Goto, Osamu Nakamura, Yasuhiro Hamaguchi
  • Publication number: 20200221494
    Abstract: A base station apparatus controls an access scheme for each radio resource by using higher layer signaling such that only signals generated by a same type of a signal generation method are multiplexed for each radio resource.
    Type: Application
    Filed: September 11, 2018
    Publication date: July 9, 2020
    Inventors: OSAMU NAKAMURA, ATSUSHI SHIRAKAWA, JUNGO GOTO, YASUHIRO HAMAGUCHI
  • Publication number: 20200213901
    Abstract: A base station apparatus receives an uplink shared channel and a reference signal, the uplink shared channel including uplink data, an identifier of a terminal apparatus that has transmitted the uplink data, a first CRC generated from the identifier bits, and a second CRC generated from the uplink data bits. In a case that an error is detected based on the first CRC, the base station apparatus transmits a first NACK by using a control signal associated with the reference signal sequence. In a case that an error is detected based on the second CRC, the base station apparatus transmits a second NACK by using a control signal associated with the identifier indicating the terminal apparatus.
    Type: Application
    Filed: June 15, 2018
    Publication date: July 2, 2020
    Inventors: TAKASHI YOSHIMOTO, OSAMU NAKAMURA, JUNGO GOTO
  • Publication number: 20200204289
    Abstract: A base station apparatus includes a transmitter configured to transmit configuration information related to selection of an MCS table to the terminal apparatus, and a controller configured to apply an MCS table selected based on the configuration information related to selection of the MCS table to configure an MCS index of a PDSCH. The MCS index is selected from a range of MCS indexes restricted to a part of MCSs within the MCS table. The range of MCS indexes restricted to the part of MCSs is a range of MCS indexes of values of n-th power of (½), and the range of MCS indexes of values of n-th power of (½) is variably controlled by the controller. The configuration information related to selection of the MCS table includes information for indicating which of a 64QAM mode MCS table and a 256QAM mode MCS table is to be applied.
    Type: Application
    Filed: June 15, 2018
    Publication date: June 25, 2020
    Inventors: TAKASHI YOSHIMOTO, OSAMU NAKAMURA, JUNGO GOTO
  • Patent number: 10660122
    Abstract: To provide a base station apparatus, a terminal apparatus, and a communication method capable of efficiently performing retransmission control for small size data in grant-free multiple access where the base station apparatus accommodates a large number of terminal apparatuses. A base station apparatus for communicating with a terminal apparatus, the base station apparatus including: a transmitter configured to transmit an uplink grant indicating a resource for transmitting uplink data to the terminal apparatus; and a receiver configured to receive the uplink data transmitted from the terminal apparatus based on the uplink grant, and the uplink data transmitted from the terminal apparatus without being based on the uplink grant.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: May 19, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takashi Yoshimoto, Jungo Goto, Osamu Nakamura, Yasuhiro Hamaguchi
  • Patent number: 10660126
    Abstract: Provided is a communication device, even in a case that many communication devices are connected in a radio communication network constituted of a plurality of different radio communication technologies, that suppresses data transmission of one communication technology from delaying due to data transmission situation of another communication device and enables coexistence of different radio communication technologies.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: May 19, 2020
    Assignees: SHARP KABUSHIKI KAISHA, OSAKA UNIVERSITY
    Inventors: Takashi Yoshimoto, Jungo Goto, Osamu Nakamura, Yasuhiro Hamaguchi, Seiichi Sampei, Shinsuke Ibi
  • Publication number: 20200154481
    Abstract: A terminal apparatus for communicating with a base station apparatus includes a controller configured to generate control information according to data to be transmitted, and a transmitter configured to transmit the data and the control information on an uplink physical channel without receiving an uplink grant from the base station apparatus. The control information includes information about a delay needed for the data transmitted, and the control information is transmitted at a transmission timing for the control information within a slot in which the data is transmitted.
    Type: Application
    Filed: December 20, 2017
    Publication date: May 14, 2020
    Inventors: JUNGO GOTO, OSAMU NAKAMURA, TAKASHI YOSHIMOTO, YASUHIRO HAMAGUCHI
  • Publication number: 20200146108
    Abstract: A base station apparatus for communicating with a terminal apparatus includes: a controller configured to generate first control information specific to the terminal apparatus and second control information addressed to multiple terminal apparatuses, and a receiver configured to receive an uplink physical channel, wherein the receiver receives data which the terminal apparatus transmits without receiving, in the first control information, control information for uplink grant, the first control information indicates semi-static allocation of a radio resource used for transmission of the data, and the second control information indicates dynamic allocation of the radio resource used for transmission of the data.
    Type: Application
    Filed: December 19, 2017
    Publication date: May 7, 2020
    Inventors: JUNGO GOTO, OSAMU NAKAMURA, TAKASHI YOSHIMOTO, YASUHIRO HAMAGUCHI
  • Patent number: 10629813
    Abstract: The present invention provides a display device and a manufacturing method thereof that can simplify manufacturing steps and enhance efficiency in the use of materials, and further, a manufacturing method that can enhance adhesives of a pattern. One feature of the invention is that at least one or more patterns needed for manufacturing a display panel, such as a conductive layer forming a wiring or an electrode or a mask for forming a desired pattern is/are formed by a method capable of selectively forming a pattern, thereby manufacturing a display panel.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: April 21, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Osamu Nakamura, Gen Fujii, Fuminori Tateishi
  • Publication number: 20200106550
    Abstract: In a case that a CQI table applied to interpret a CSI report is changed from a first CQI table including modulation schemes up to 64QAM to a second CQI table including modulation schemes up to 256QAM, information on a CQI table selection indicating applicability of the second CQI table and a CSI subframe set indicating subframes for which a CQI table selected in the CQI table is used are transmitted. In a case that the CQI table applied to interpret the CSI report is changed from the second CQI table to a third CQI table including modulation schemes up to 1024QAM, only the information on the CQI table selection indicating applicability of the third CQI table is transmitted.
    Type: Application
    Filed: June 8, 2018
    Publication date: April 2, 2020
    Inventors: TAKASHI YOSHIMOTO, OSAMU NAKAMURA, JUNGO GOTO
  • Patent number: 10609691
    Abstract: Selection of a suitable MCS improves throughput without increasing the number of pieces of control information. Provided is a terminal apparatus including: a control information extraction unit 703 that receives control information for requesting a CSI notification; a CQI determination unit 707 that calculates CQI according to the control information and calculates a CQI index by any CQI table of a first CQI table and a second subframe from the CQI; and a UL transmission unit 711 that performs uplink transmission of the CQI index to a base station apparatus, in which, in a case where the control information is received on a first downlink subframe set, the CQI determination unit 707 generates the CQI index using the first CQI table, and in which, in a case where the control information is received on a second downlink subframe set, the CQI determination unit 707 generates the CQI index using the second CQI table.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: March 31, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Osamu Nakamura, Jungo Goto, Daiichiro Nakashima, Yasuhiro Hamaguchi
  • Patent number: 10602505
    Abstract: In a case of a contention-based radio communication technique, it is necessary to identify a terminal apparatus that has performed data transmission among terminal apparatuses sharing a frequency resource. There is a problem that it is difficult to identify the terminal apparatus that has performed data transmission in a case with a large number of terminal apparatuses that are non-orthogonally spatial multiplexed.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: March 24, 2020
    Assignees: SHARP KABUSHIKI KAISHA, FG Innovation Company Limited
    Inventors: Jungo Goto, Osamu Nakamura, Takashi Yoshimoto, Yasuhiro Hamaguchi
  • Patent number: 10575311
    Abstract: A base station device, a terminal device, and a communication method are provided, and the terminal efficiently learns information of an interference signal and reduces interference in a reception process to enhance throughput and enhance communication opportunity of each terminal device by feedback from the terminal. The base station device includes a transmission unit configured to transmit, to the terminal device, assist information of Multiuser Superposition Transmission (MUST), and the assist information includes information indicating whether precoding types of terminal devices configured with the MUST are identical to each other or different from each other.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: February 25, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Ryota Yamada, Jungo Goto, Osamu Nakamura