Patents by Inventor Tetsuya Yamamoto

Tetsuya Yamamoto 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: 11508875
    Abstract: To provide a bonding-type semiconductor light-emitting device which has excellent reliabilities with smaller time deviations of the light output power and the forward voltage. A semiconductor light-emitting device 100 according to the present disclosure includes a conductive support substrate 80; a metal layer 60 containing a reflective metal provided on the conductive support substrate 10; a semiconductor laminate 30 formed from a stack of a plurality of InGaAsP group III-V compound semiconductor layers containing at least In and P provided on the reflective metal layer 60; an n-type InGaAs contact layer 20A provided on the semiconductor laminate 30; and an n-side electrode 93 provided on the n-type InGaAs contact layer 20A, wherein the center emission wavelength of light emitted from the semiconductor laminate 30 is 1000 to 2200 nm.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: November 22, 2022
    Assignee: DOWA Electronics Materials Co., Ltd.
    Inventors: Jumpei Yamamoto, Tetsuya Ikuta
  • Patent number: 11502885
    Abstract: The present disclosure provides a base station capable of improving the frequency utilization efficiency in uplink. In the base station (100), a receiver (112) receives a transmission signal to be repeatedly transmitted over a plurality of allocation units, and a reception signal processor (114) demodulates the transmission signal based on a combination of non-orthogonal multiple access where signals of a plurality of terminals are not orthogonal with each other, and orthogonal multiple access where signals of a plurality of terminals are orthogonal with each other.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: November 15, 2022
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Tetsuya Yamamoto, Hidetoshi Suzuki
  • Publication number: 20220361238
    Abstract: In a base station (100), a controller (101) determines one set from among a plurality of sets, each of which including one or more candidates for a resource for an uplink (UL) control channel during initial access, and determines one candidate from among the one or more candidates for the resource, which is included in the determined set. A transmitter (114) indicates the determined set to a terminal (200) by higher layer signaling, and indicates the determined candidate by dynamic signaling. A receiver (116) receives a UL control signal, using the resource corresponding to the determined candidate in the determined set. In the base station, the association between a value to be indicated by the higher layer signaling and the plurality of sets is configured for each of one or more parameters relating to the initial access.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 10, 2022
    Inventors: Tetsuya YAMAMOTO, Hidetoshi SUZUKI, Lilei WANG
  • Publication number: 20220361165
    Abstract: At a base station, a control unit selects one combination from multiple combinations of parameters regarding uplink control channel (PUCCH) resources. A transmission unit indicates a terminal of resource settings (Semi-static resource configuration) including the multiple combinations by higher layer signaling, and indicates the terminal of the one combination that has been selected by dynamic signaling (DCI).
    Type: Application
    Filed: July 20, 2022
    Publication date: November 10, 2022
    Inventors: Tetsuya YAMAMOTO, Hidetoshi SUZUKI
  • Patent number: 11496336
    Abstract: A method includes: (a) transmitting, by the control device, control data containing one of the plurality of second parameters to the relay device; (b) determining, by at least one of the control device or the relay device, whether the one of the plurality of second parameters matches one of the plurality of first parameters; and (c) transmitting, by the relay device, the control data received from the control device in (a), using one of the plurality of interfaces of the relay device for which the one of the plurality of second parameters is set if it is determined in the determining that the one of the plurality of first parameters matches the one of the plurality of second parameters.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: November 8, 2022
    Assignee: Murata Machinery, Ltd.
    Inventors: Toshihiro Fujiwara, Shigeru Yamamoto, Tetsuya Kuwahara
  • Publication number: 20220347964
    Abstract: The fiber-reinforced resin material of the present invention is a fiber-reinforced resin material having a laminated structure in which fiber assembly layers and thermoplastic resin layers are alternately located, wherein the fiber assembly layers are each an assembly of continuous fibers having thermoplastic resin particles attached to surfaces thereof, and the fiber-reinforced resin material has a higher elongation on one surface side than that on the other surface side. The fiber-reinforced resin structure is made of the present fiber-reinforced resin material. A method for manufacturing the present fiber-reinforced resin material includes: a stacking step of stacking a sheet-shaped product of the continuous fibers that serves as the fiber assembly layer and a resin sheet that serves as the thermoplastic resin layer so as to obtain the laminated structure; and a hot-pressing step of heating and compressing a stacked product obtained through the stacking step in a stacking direction.
    Type: Application
    Filed: April 22, 2022
    Publication date: November 3, 2022
    Applicants: TOYOTA BOSHOKU KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM
    Inventors: Tetsuya YAMAMOTO, Kohei KIRA, SulChan KIM, Keisuke KATO, Masaaki NOMURA
  • Patent number: 11490373
    Abstract: In a terminal, a control unit decides a sequence used for an uplink control channel, in accordance with uplink control information, and a transmission unit transmits the uplink control information using the sequence. Here, the sequence is calculated using cell identification information that identifies the cell to which the terminal belongs, and subcell-specific information relating to at least one subcell included in the cell.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: November 1, 2022
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Tetsuya Yamamoto, Hidetoshi Suzuki
  • Publication number: 20220345175
    Abstract: In the present invention, regarding a narrowband used in a subframe for transmitting uplink data, if a switch is made from a first narrowband used in a first subframe to a second narrowband that is different from the first narrowband, with respect to a second subframe continuing to the first subframe, a final one symbol of the first subframe and an initial one symbol of the second subframe are punctured and set as a retuning time to transmit the uplink data in the first narrowband and the second narrowband.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 27, 2022
    Inventors: Tetsuya YAMAMOTO, Hidetoshi SUZUKI, Ayako HORIUCHI
  • Publication number: 20220338034
    Abstract: A repeater generates repetition signals by repeating uplink signals over a plurality of subframes; controller sets a timing for transmitting the repetition signals, based on information indicating a transmission candidate subframe for a sounding reference signal used for measuring an uplink reception quality; and a transmitter transmits the repetition signals at the set timing.
    Type: Application
    Filed: July 1, 2022
    Publication date: October 20, 2022
    Inventors: Tetsuya YAMAMOTO, Hidetoshi SUZUKI, Masayuki HOSHINO
  • Patent number: 11477768
    Abstract: Repetitions of a control signal across a plurality of first subframes and a data signal allocated to a resource indicated by the control signal are received. Repetition of a response signal for the data signal across a plurality of second subframes is performed, and a transmission signal is generated by multiplying the response signals in the second subframes by, among a plurality of first sequences orthogonal to one another, components of one of the first sequences which is associated with the first subframes, respectively.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: October 18, 2022
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Tetsuya Yamamoto, Seigo Nakao, Masayuki Hoshino
  • Publication number: 20220327046
    Abstract: A test system includes an information processing apparatus configured to receive input of software to be developed using an ID-based cipher, and a simulation apparatus configured to test the software. The simulation apparatus includes processing circuitry configured to store confidential information, generate a private key for an ID using the confidential information stored in the storage, encrypt, when an encryption request including plaintext and the ID is received, the plaintext using a private key corresponding to the ID, decrypt, when a decryption request including ciphertext and the private key is received, the ciphertext using the private key, and output a processing result of an encryption process performed and a decryption process performed as a test result.
    Type: Application
    Filed: July 19, 2019
    Publication date: October 13, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Go YAMAMOTO, Tetsuya KUSUMOTO
  • Publication number: 20220311557
    Abstract: If repetition transmission is applied to a response signal for a downlink data signal and an uplink signal, the uplink signal is repeatedly transmitted using a certain number of consecutive subframes starting with a first subframe, at which the repetition transmission of the uplink signal starts, and the response signal is repeatedly transmitted using at least the certain number of consecutive subframes starting with a second subframe, at which the repetition transmission of the response signal starts. The first subframe is set to be the same as the second subframe.
    Type: Application
    Filed: June 15, 2022
    Publication date: September 29, 2022
    Inventors: Tetsuya YAMAMOTO, Seigo NAKAO, Hidetoshi SUZUKI, Masayuki HOSHINO
  • Publication number: 20220302074
    Abstract: A semiconductor device includes: a first chip including a first electrode; a wiring member; a second chip located between the first chip and the wiring member, including a second electrode; a first conductive plate located on the first electrode, in a second direction a dimension of the first conductive plate being greater than a dimension of the first chip, the second direction crossing a first direction being from the first chip toward the second chip; a second conductive plate located on the second electrode, in a second direction a dimension of the second conductive plate being greater than a dimension of the second chip; and a first wire being bonded to the wiring member, a portion of the first conductive plate protruding further in the second direction than the first chip, and a portion of the second conductive plate protruding further in the second direction than the second chip.
    Type: Application
    Filed: September 14, 2021
    Publication date: September 22, 2022
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masayuki UCHIDA, Tetsuya YAMAMOTO, Toshihide TAKAHASHI, Katsuya SATO
  • Patent number: 11451403
    Abstract: A verification method implemented by a first system including a plurality of computers, the method includes: calculating a first hash value for an original document; calculating a second hash value for an original document by using the first hash value; calculating a first modified version's first hash value for the first modified version document; calculating a first modified version's second hash value that is a hash value obtained by combining the first modified version's first hash value and the original document's second hash value; in response to a second modified version document obtained by modifying the first modified version document, calculating a second modified version's first hash value for the second modified version document; and calculating a second modified version's second hash value that is a hash value obtained by combining the second modified version's first hash value and the first modified version's second hash value.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: September 20, 2022
    Assignee: FUJITSU LIMITED
    Inventors: Rikuhiro Kojima, Dai Yamamoto, Tetsuya Izu
  • Publication number: 20220295525
    Abstract: The present invention improves frequency utilization efficiency in wireless communication. A terminal comprises: a control circuit that applies, to first information provided to a plurality of frequency resources, coefficient patterns that have been associated with second information; and a transmission circuit that transmits the first information to which the patterns have been applied.
    Type: Application
    Filed: June 4, 2020
    Publication date: September 15, 2022
    Inventors: Tetsuya YAMAMOTO, Hidetoshi SUZUKI
  • Publication number: 20220295474
    Abstract: The present invention contributes to the provision of a terminal and a transmission method which can improve the efficiency of the repetitive transmission of an uplink signal. The terminal is provided with: a transmission circuit which performs repetitive transmissions of an uplink signal in a plurality of time periods; and a control circuit which controls a time period in which a transmission opportunity of uplink control information is set among the plurality of time periods.
    Type: Application
    Filed: July 28, 2020
    Publication date: September 15, 2022
    Inventors: Tomoya NUNOME, Hidetoshi SUZUKI, Takashi IWAI, Tetsuya YAMAMOTO
  • Publication number: 20220290054
    Abstract: A method of estimating a surface tension of coal inert material includes determining in advance a first relational expression representing a relationship between a surface tension of coal inert material and a physical property value representing a coal rank; and measuring the physical property value representing the coal rank of a coal for which the surface tension of coal inert material is to be estimated, and calculating the surface tension of the coal inert material by using the measured physical property value representing the coal rank and the first relational expression.
    Type: Application
    Filed: October 14, 2020
    Publication date: September 15, 2022
    Inventors: Daisuke Igawa, Yusuke Dohi, Tetsuya Yamamoto
  • Publication number: 20220287057
    Abstract: This terminal is provided with: a control circuit that, on the basis of information relating to the priority degrees of a plurality of uplink signals, determines at least one uplink signal to be transmitted in some transmission resource in a time domain among the plurality of uplink signals; and a transmission circuit that transmits the determined uplink signal in the transmission resource.
    Type: Application
    Filed: March 11, 2020
    Publication date: September 8, 2022
    Inventors: Tetsuya YAMAMOTO, Ankit BHAMRI, Hidetoshi SUZUKI, Rikin SHAH, Hongchao LI
  • Publication number: 20220285547
    Abstract: A method of manufacturing a semiconductor device including: forming a conductor film for floating gates through a gate insulating film on a semiconductor substrate; etching the conductor film, the gate insulating film, and the semiconductor substrate so as to form an element isolation trench extending in one direction of the semiconductor substrate and having a width and depth that periodically change along an extension direction; and forming an element isolation insulating film by burying the element isolation trench with an insulator.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 8, 2022
    Applicant: LAPIS Semiconductor Co., Ltd.
    Inventor: Tetsuya YAMAMOTO
  • Patent number: 11435754
    Abstract: An autonomous moving apparatus includes: a detection unit that detects a distance to an object around the apparatus and a shape of the object; a moving unit that moves the apparatus so as to follow operation of a target person to be followed, which is detected by the detection unit; and a control unit that performs control for movement by the moving unit or stop in accordance with motion of each of two feet of the target person to be followed, which is detected by the detection unit.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: September 6, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Xiongfan Jin, Mariko Miyazaki, Hideki Fujimoto, Tetsuya Kobayashi, Hajime Kajiyama, Kunitoshi Yamamoto, Teppei Aoki