Patents by Inventor Tsuyoshi Yamamoto

Tsuyoshi 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).

  • Publication number: 20230045425
    Abstract: The present invention relates to a window glass for vehicle, which includes a glass plate and an antenna provided to the glass plate and capable of receiving electromagnetic waves of AM broadcasting and FM broadcasting, in which the antenna includes an antenna element and a feeding portion electrically connected to the antenna element, the antenna element lies at a distance of longer than 20 mm from a metallic portion of the vehicle in a vehicle-mounted state, the antenna element includes at least one horizontal portion extending in an approximately horizontal direction in the vehicle-mounted state, the horizontal portion has an open end or has a bent portion bending apart therefrom which has an open end, and the horizontal portion has a total element length that is at least 3/4 of an overall length of the antenna element.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 9, 2023
    Applicant: AGC Inc.
    Inventors: Tsuyoshi YAMAMOTO, Satoshi TOKUNAGA, Haruto SANDA
  • Publication number: 20230030526
    Abstract: A technique relating to a method for enzymatically producing maytansinol from an ansamitocin species, such as AP3, is provided. The method for producing maytansinol includes enzymatically producing maytansinol from an ansamitocin species with any one of various proteins.
    Type: Application
    Filed: November 27, 2020
    Publication date: February 2, 2023
    Inventors: Yutaro BABA, Kenji NISHIMURA, Yuta MIKI, Yukie KAWASAKI, Tsuyoshi YAMAMOTO, Mayu KAWASAKI, Shogo NAKANO, Sohei ITO
  • Patent number: 11542585
    Abstract: A method for treating an inner wall surface of a treatment object uses a treatment object that is at least one of a container housing an ozone gas, a treatment container housing an object to be subjected to a surface treatment using an ozone gas and a pipe configured to supply an ozone gas. The method for treating an inner wall surface of a treatment object includes the steps of: determining whether an abnormal part is present in the inner wall surface of the treatment object or not; and distributing an ozone gas having a concentration of 10% by volume or more and 30% by volume or less and a temperature of 60° C. or less such that the ozone gas contacts the inner wall surface of the treatment object after the step of determining whether an abnormal part is present or not.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: January 3, 2023
    Assignee: IWATANI CORPORATION
    Inventors: Koichi Izumi, Masahiro Furutani, Tsuyoshi Yamamoto
  • Patent number: 11538935
    Abstract: A SiC semiconductor device includes a main cell region and sense cell region being electrically isolated by an element isolation portion. The SiC semiconductor device includes a substrate, a first impurity region, a first current dispersion layer, first deep layers, a second current dispersion layer, a second deep layer, a base region, a trench gate structure, a second impurity region, first electrodes and a second electrode. The second impurity region, the first electrodes, and the second electrode are disposed at the main cell region and the sense cell region to form a vertical semiconductor element. The vertical semiconductor element allows a current flowing between the first electrode and the second electrode through a voltage applied to the gate electrode. The spacing interval between the deep layers at the element isolation portion is shorter than or equal to a spacing interval between the deep layers at the main cell region.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: December 27, 2022
    Assignee: DENSO CORPORATION
    Inventors: Tsuyoshi Yamamoto, Ryota Suzuki, Yusuke Yamashita
  • Publication number: 20220377879
    Abstract: A sample holder includes a base comprising a support structure and a printed circuit board (PCB) in contact with the base. The PCB includes: a dielectric; a front-surface ground (GND) formed on a front surface of the dielectric; a back-surface GND formed on a back surface of the dielectric; a through hole penetrating from the front-surface GND to the back-surface GND, the through hole in which a chip is disposed, and a conductor that electrically connects the front-surface GND and the back-surface GND on an end face of the through hole. At least a part of the base below the through hole has a cavity. The support structure that supports a surface of the chip and is electrically connected to the base. The support structure is disposed in the cavity.
    Type: Application
    Filed: May 17, 2022
    Publication date: November 24, 2022
    Applicant: NEC Corporation
    Inventors: Yoshihito HASHIMOTO, Tsuyoshi Yamamoto, Kohei Matsuura
  • Publication number: 20220377880
    Abstract: A sample holder includes a base comprising a support structure and a printed circuit board (PCB) in contact with the base. The PCB has a through hole. The PCB has a cavity in at least a part of the base below the through hole. The support structure that supports a surface of a chip and is electrically connected to the base. The support structure is disposed in the cavity. At least a part of the section supporting the chip in the support structure is not parallel to the back surface of the chip.
    Type: Application
    Filed: May 17, 2022
    Publication date: November 24, 2022
    Applicant: NEC Corporation
    Inventors: Yoshihito HASHIMOTO, Tsuyoshi YAMAMOTO, Kohei MATSUURA
  • Publication number: 20220318660
    Abstract: A superconducting circuit and a quantum computer capable of implementing four-body interaction using a plurality of superconducting qubit circuits supplied with signals of the same frequency are provided. A superconducting circuit (1) includes four superconducting qubit circuits (10), a coupling circuit (20) directly connected to the four superconducting qubit circuits (10). Each of the superconducting qubit circuits (10) indicates a qubit by being in a first phase state or a second phase state, when the number of the superconducting qubit circuits (10) in the first phase state among the four superconducting qubit circuits (10) is an even number, an interaction term of Hamiltonian of the superconducting circuit (1) takes a first value, and when the number of the superconducting qubit circuits (10) in the first phase state among the four superconducting qubit circuits (10) is an odd number, the interaction term takes a second value.
    Type: Application
    Filed: June 26, 2020
    Publication date: October 6, 2022
    Applicant: NEC Corporation
    Inventors: Masahiro HASEGAWA, Tsuyoshi YAMAMOTO, Yoshihito HASHIMOTO
  • Patent number: 11437703
    Abstract: A window glass for a vehicle includes a glass plate for window of the vehicle, a defogger on the glass plate, and an antenna on the glass plate. The defogger includes a pair of bus bars extending in a height direction of the glass plate, a first defogging area formed by a plurality of first heating wires connected between the pair of bus bars and extending in a widthwise direction of the glass plate, and a second defogging area formed by at least a second heating wire connected to the pair of bus bars or to the first defogging area and extending in a protruding manner to one side in the height direction to surround a wiring-prohibited area. The antenna is provided in at least one of areas that are an area on left of the second defogging area and an area on right of the second defogging area.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: September 6, 2022
    Assignee: AGC INC.
    Inventors: Takafumi Inoue, Naoki Hashimoto, Tsuyoshi Yamamoto, Shintaro Kojima, Seiji Morimoto, Masakazu Okabe
  • Publication number: 20220261680
    Abstract: A superconducting circuit and a quantum computer capable of implementing four-body interaction while reducing an amount of hardware are provided. A superconducting circuit (1) includes four superconducting qubit circuits (10), a coupling circuit (20) inductively coupled to the four superconducting qubit circuits (10). Each of the superconducting qubit circuits (10) indicates a qubit by being in a first phase state or a second phase state, when the number of the superconducting qubit circuits (10) in the first phase state among the four superconducting qubit circuits (10) is an even number, an interaction term of Hamiltonian of the superconducting circuit (1) takes a first value, and when the number of the superconducting qubit circuits (10) in the first phase state among the four superconducting qubit circuits (10) is an odd number, the interaction term takes a second value.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 18, 2022
    Applicant: NEC Corporation
    Inventors: Masahiro HASEGAWA, Tsuyoshi YAMAMOTO, Yoshihoto HASHIMOTO
  • Publication number: 20220261676
    Abstract: A resonator, an oscillator, and a quantum computer in which both moderate nonlinearity and a low loss are achieved, and the area occupied by the circuit can be reduced are provided. A resonator (100) includes at least one loop circuit (110) in which a first superconducting line (101), a first Josephson junction (103), a second superconducting line (102), and a second Josephson junction (104) are connected in a ring shape, at least one third Josephson junction (130) provided separately from the Josephson junction included in the loop circuit (110), and a capacitor (120), in which the loop circuit (110), the third Josephson junction (130), and the capacitor (120) are connected in a ring shape.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 18, 2022
    Applicant: NEC Corporation
    Inventors: Tsuyoshi YAMAMOTO, Tomohiro YAMAJI, Yoshihito HASHIMOTO
  • Publication number: 20220263467
    Abstract: An oscillation apparatus includes: an oscillator including a resonator and a magnetic-field generation unit, the resonator including a loop circuit and a capacitor, the loop circuit including a first superconducting line, a first Josephson junction, a second superconducting line, and a second Josephson junction connected in a ring shape, the magnetic-field generation unit being configured to apply a magnetic field to the loop circuit, and the oscillator being configured to perform parametric oscillation; a read-out unit for reading out an internal state of the oscillator; and a circuit component in which a coupling strength between the oscillator and the read-out unit is variable. The oscillator is connected to the read-out unit through the circuit component.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 18, 2022
    Applicant: NEC Corporation
    Inventors: Tsuyoshi YAMAMOTO, Yoshihito HASHIMOTO
  • Publication number: 20220263468
    Abstract: An oscillation apparatus includes: an oscillator including a resonator and a magnetic-field generating unit, the resonator including a loop circuit and a capacitor, the loop circuit including a first superconducting line, a first Josephson junction, a second superconducting line, and a second Josephson junction connected in a ring shape, the magnetic-field generating unit being configured to apply a magnetic field to the loop circuit, and the oscillator being configured to perform parametric oscillation; a read-out unit for reading out an internal state of the oscillator; and a filter configured to restrict transmission of a signal in a predetermined frequency band. A circuit in which the capacitor and the loop circuit are connected in a ring shape is connected to the read-out unit through the filter.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 18, 2022
    Applicant: NEC Corporation
    Inventors: Tsuyoshi YAMAMOTO, Yoshihito HASHIMOTO
  • Publication number: 20220252305
    Abstract: To provide a heat generating material in which a decrease in hydrogen absorption performance and amount of heat generation can be suppressed at the time of use at a high temperature, and physical properties such as hydrogen absorption performance and amount of heat generation are further improved. The heat generating material includes: a first metal having a melting point of 230° C. or more; and a second metal having a melting point higher than the melting point of the first metal, in which, at this time, at least one of the first metal or the second metal has a hydrogen solubility greater than silver at a temperature less than the melting point of the second metal, a hydride of at least one of the first metal or the second metal has a standard enthalpy of formation equal to or more than a standard enthalpy of formation of CaH2, and heat is generated when the first metal and the second metal come into contact with hydrogen gas at a temperature less than the melting point of the second metal.
    Type: Application
    Filed: October 11, 2019
    Publication date: August 11, 2022
    Applicants: NISSAN MOTOR CO., LTD., RENAULT S.A.S., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Masanobu UCHIMURA, Masanori NAKAMURA, Masahiro KISHIDA, Tsuyoshi YAMAMOTO, Hideki MATSUNE, Itsuki IMOTO, Yuya SATOH
  • Publication number: 20220247407
    Abstract: A resonator, an oscillator, and a quantum computer in which the area occupied by the circuit can be reduced is provided. A resonator (100) includes a loop circuit (110) in which a first superconducting line (101), a first Josephson junction (103), a second superconducting line (102), and a second Josephson junction (104) are connected in a ring shape, and a capacitor (120). The capacitor (120) and the loop circuit (110) are connected in a ring shape.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 4, 2022
    Applicant: NEC Corporation
    Inventors: Tsuyoshi YAMAMOTO, Tomohiro YAMAJI, Yoshihito HASHIMOTO
  • Publication number: 20220239256
    Abstract: An oscillator in which crosstalk can be reduced is provided. An oscillator includes a SQUID, a transmission line connected to the SQUID, a ground plane, and a first connection circuit disposed in a vicinity of a node of an electric field of a standing wave that is generated when the oscillator is oscillating, the first connection circuit connecting parts of the ground plane located on both sides of the transmission line to each other.
    Type: Application
    Filed: January 12, 2022
    Publication date: July 28, 2022
    Applicant: NEC Corporation
    Inventors: Yoshihito HASHIMOTO, Tsuyoshi Yamamoto, Tomohiro Yamaji
  • Publication number: 20220236342
    Abstract: An oscillator in which crosstalk can be reduced is provided. An oscillator includes a ground plane made of a superconductor, a conductive member spaced apart from and surrounded by the ground plane, a SQUID of which one end is connected to the conductive member and the other end is connected to the ground plane, a first connection circuit made of a superconductor, connecting parts of the ground plane located on both sides of a vicinity of a connection part between the conductive member and the SQUID to each other, and a superconducting loop circuit surrounding the SQUID and using the ground plane and the first connection circuit.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 28, 2022
    Applicant: NEC Corporation
    Inventors: Yoshihito Hashimoto, Tsuyoshi Yamamoto, Tomohiro Yamaji
  • Publication number: 20220231216
    Abstract: A circuit manufacturing method according to the present disclosure is a circuit manufacturing method by deposition, comprising performing first deposition for forming a first superconductor layer, oxidizing a surface of the first superconductor layer to form an oxide film, performing second deposition for forming a second superconductor layer, whereby a circuit in which Josephson junctions are aligned is generated. A mask includes two opening parts and an odd number of first-type opening parts. The width of a first-type opening part has such a length that the area of a Josephson junction formed based on the first superconductor layer and the second superconductor layer derived from the first-type opening part becomes larger than the area of a Josephson junction formed based on the first superconductor layer and the second superconductor layer derived from the two opening parts that are adjacent to each other.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 21, 2022
    Applicant: NEC Corporation
    Inventors: Tomohiro YAMAJI, Tsuyoshi YAMAMOTO
  • Publication number: 20220186678
    Abstract: A cylinder head of a multi-cylinder engine is provided, the cylinder head including a plurality of ceiling parts for respective cylinders, and a water jacket. Each ceiling part is connected to an intake port including a primary port and a secondary port aligned in a cylinder-row direction, and is attached with an in-cylinder pressure sensor. A plug is attached to a hollow part of the cylinder head corresponding to a core print provided to a core of the water jacket, and is disposed at a position corresponding to a location between certain cylinders. The in-cylinder pressure sensor is attached at a position on an opposite side from the plug with respect to a cylinder center axis in the cylinder-row direction. Positions of the primary and secondary ports connected to each ceiling part are interchanged in the cylinder-row direction according to the position of the in-cylinder pressure sensor.
    Type: Application
    Filed: November 9, 2021
    Publication date: June 16, 2022
    Inventors: Yohei Suzuki, Yasushi Nakahara, Tsuyoshi Yamamoto
  • Publication number: 20220185219
    Abstract: An airbag includes plural bag portions respectively including two sheet members attached to each other, and a welded portion at which the sheet members being in contact with each other are attached to each other. The welded portion includes a communication hole penetrating the sheet members to communicate the bag portions, and a rib portion arranged radially outward of the communication hole, the rib portion protruding in the thickness direction from a welded surface of the welded portion. The rib portion includes an annular rib surrounding the communication hole, and a cutout portion provided at the annular rib. The rib portion includes plural radial ribs arranged radially inward of the annular rib, the plural radial ribs radially surrounding the communication hole and extending in a radial direction of the communication hole. At least one of the radial ribs is arranged at a position radially away from the communication hole.
    Type: Application
    Filed: December 15, 2020
    Publication date: June 16, 2022
    Applicant: AISIN CORPORATION
    Inventors: Yasuhito KUREMATSU, Satoshi MASUDA, Tomokazu SEKI, Masaaki HASEGAWA, Tsuyoshi YAMAMOTO, Ryosuke MIZUNO, Makoto SAKAI
  • Patent number: 11358553
    Abstract: An airbag includes plural bag portions respectively including two sheet members attached to each other, and a welded portion at which the sheet members being in contact with each other are attached to each other. The welded portion includes a communication hole penetrating the sheet members to communicate the bag portions, and a rib portion arranged radially outward of the communication hole, the rib portion protruding in the thickness direction from a welded surface of the welded portion. The rib portion includes an annular rib surrounding the communication hole, and a cutout portion provided at the annular rib. The rib portion includes plural radial ribs arranged radially inward of the annular rib, the plural radial ribs radially surrounding the communication hole and extending in a radial direction of the communication hole. At least one of the radial ribs is arranged at a position radially away from the communication hole.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: June 14, 2022
    Assignee: AISIN CORPORATION
    Inventors: Yasuhito Kurematsu, Satoshi Masuda, Tomokazu Seki, Masaaki Hasegawa, Tsuyoshi Yamamoto, Ryosuke Mizuno, Makoto Sakai