Patents by Inventor Yuki Takahashi

Yuki Takahashi 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: 11914009
    Abstract: An NMR apparatus includes a depressurizing device for depressurizing an NMR probe, a gas supply device for supplying gas into the NMR probe to thereby pressurize the NMR probe, and a control device. The control device alternately repeats depressurization of the NMR probe, using the depressurizing device, and pressurization of the NMR probe, using the gas supply device. This replaces the gas in the NMR probe.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: February 27, 2024
    Assignees: JEOL Ltd., OSAKA UNIVERSITY
    Inventors: Hiroki Takahashi, Yuki Endo, Toshimichi Fujiwara, Yoh Matsuki
  • Patent number: 11909291
    Abstract: A rotary reciprocating drive actuator reciprocally and rotationally driving the movable body about the shaft part in relation to the fixed body by the electromagnetic mutual effect of the coil and the movable magnet, wherein the movable magnet is magnetized in the radial direction of the shaft part, the two magnetic poles are disposed facing each other across an air gap in the radial direction of the movable magnet and the shaft part, and the fixed body has a rotation-angle-holding part disposed facing the movable magnet across the air gap, the rotation-angle-holding part holding the rotation angle position of the movable magnet by the magnetic attraction force generated with the movable magnet.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: February 20, 2024
    Assignee: MITSUMI ELECTRIC CO., LTD.
    Inventors: Yuki Takahashi, Yasutaka Kitamura, Masaharu Kagami, Shigenori Inamoto
  • Publication number: 20240056272
    Abstract: A terminal includes: a control unit configured to perform monitoring of a control channel in an area in which, in a case of using a certain SCS, a number of symbols is greater than a number of symbols corresponding to another SCS that is less than the certain SCS; and a reception unit configured to receive control information via the control channel.
    Type: Application
    Filed: January 15, 2021
    Publication date: February 15, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Mayuko Okano, Naoya Shibaike, Hiroki Harada, Yuki Takahashi
  • Patent number: 11901736
    Abstract: A server manages plural vehicles each configured to be able to participate in a DR. A first vehicle is able to transmit power through a power cable. A second vehicle is able to transmit power in a non-contact manner while being stationary. A third vehicle is able to transmit power in a non-contact manner while traveling. The server includes a communication device and a processing device. The communication device is able to transmit a DR signal to each of the vehicles. The processing device selects a target vehicle, to which the DR signal is to be transmitted, from the vehicles in accordance with the priority degree for participation in the DR. The processing device sets the priority degree of the first vehicle to be higher than that of the second vehicle, and sets the priority degree of the second vehicle to be higher than that of the third vehicle.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: February 13, 2024
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Masato Ehara, Daiki Yokoyama, Yuki Takahashi, Tomoya Takahashi, Tomoyuki Kubota, Sachio Toyora, Keisuke Fukuoka, Zidan Xu, Wenfeng Liang, Hiroki Murata
  • Patent number: 11898547
    Abstract: A pump contains a sealed chamber, a movable wall for changing a volume of the sealed chamber, and a vibration actuator which can be electromagnetically driven for displacing the movable wall to discharge fluid in the sealed chamber to an outside of the sealed chamber. Further, three axes perpendicular to each other are respectively defined as an X axis, a Y axis, and a Z axis. When a direction along the X axis is defined as an X axis direction, a direction along the Y axis is defined as a Y axis direction, and a direction along the Z axis direction is defined as a Z axis direction, an outer shape of the pump is a concave shape in a planar view from the Y axis direction.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: February 13, 2024
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Yuta Yoshii, Chikara Sekiguchi, Shigenori Inamoto, Yuki Takahashi, Daisuke Kodama, Kenta Ueda, Daisuke Kurita
  • Publication number: 20240046780
    Abstract: A control device includes a processor that acquires travel data of a target vehicle, determines whether the target vehicle obeys a traffic rule, and adjusts a usage form of the travel data in a case of determining that the target vehicle does not obey the traffic rule.
    Type: Application
    Filed: August 1, 2023
    Publication date: February 8, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroshi OYAGI, Masaki ITO, Yuki TAKAHASHI, Koji IDE, Tomohiro KANEKO, Yoshihisa SHINODA, Shigeki NAKAYAMA
  • Publication number: 20240049191
    Abstract: A terminal comprises: a reception unit that receives a first control information by a first control channel on a first carrier and a second control information by a second control channel on a second carrier; and a control unit that controls a reception of the second control channel based on the first control information, and controls a communication of data based on the second control information.
    Type: Application
    Filed: December 25, 2020
    Publication date: February 8, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Shohei Yoshioka, Masaya Okamura, Shinya Kumagai, Satoshi Nagata
  • Publication number: 20240048289
    Abstract: A terminal according to an aspect of the present disclosure includes: a control section that determines a size of a semi-static hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook including HARQ-ACK corresponding to a downlink shared channel (physical downlink shared channel (PDSCH)) of semi-persistent scheduling (SPS) based on the number of configured SPS configurations, the number of configured or activated cells, and the number of HARQ-ACK timing values included in a set of the configured HARQ-ACK timing values; and a transmitting section that transmits an HARQ-ACK information bit corresponding to the HARQ-ACK codebook by using a resource of an uplink control channel. According to one aspect of the present disclosure, the HARQ-ACK can be appropriately feed back even in a case where multiple SPSs are used.
    Type: Application
    Filed: October 3, 2019
    Publication date: February 8, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Satoshi Nagata, Xiaohong Zhang, Shaozhen Guo, Lihui Wang, Xiaolin Hou
  • Publication number: 20240040486
    Abstract: A terminal has: a transmitting unit configured to transmit, to a communication device, a requesting signal that requests transmission of a cell search signal; and a receiving unit configured to receive the cell search signal transmitted based on the requesting signal and identify information related to a cell.
    Type: Application
    Filed: March 24, 2021
    Publication date: February 1, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Shinya Kumagai, Mayuko Okano, Masaya Okamura, Yuki Takahashi, Shohei Yoshioka, Satoshi Nagata
  • Publication number: 20240039349
    Abstract: There is provided a manufacturing method of a rotary electric machine, including: sintering each of a plurality of green compacts to obtain a plurality of sintered bodies; applying a grain boundary diffusion process on each sintered body by adhering an adhering material, which includes a heavy rare earth element, to at least one of a pair of planar surfaces of each sintered body, and then heating each sintered body to diffuse the heavy rare earth element into an inside of the sintered body; and forming a laminated body of a plurality of magnet segments by placing a corresponding one of the pair of planar surfaces of one of each adjacent two of the sintered bodies in contact with a corresponding one of the pair of planar surfaces of another one of the adjacent two of the sintered bodies.
    Type: Application
    Filed: August 15, 2023
    Publication date: February 1, 2024
    Inventor: YUKI TAKAHASHI
  • Publication number: 20240040643
    Abstract: A communication device includes: a transmission unit configured to transmit a connection request to a first communication device; a reception unit configured to receive connection permission from the first communication device; and a control unit configured to establish a first connection to the first communication device. The control unit controls a communication of a second communication device, and establishes a second connection between the second communication device and at least one of the device itself and the first communication device.
    Type: Application
    Filed: February 22, 2021
    Publication date: February 1, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Shohei Yoshioka, Shinya Kumagai, Daisuke Kurita, Yuki Takahashi, Haruhi Echigo, Yuki Hokazono, Satoshi Nagata
  • Publication number: 20240039381
    Abstract: In a multiphase armature winding provided in an armature that constitutes a rotating electric machine and that is configured by conductive wire material, the conductive wire material for each phase includes an assembly of strands having a conductor and an inner insulating layer of insulating material surrounding the conductor, and an outer insulating layer of insulating material surrounding the assembly of strands. The outer insulating layer is peeled off at an end of the conductive wire material. A tip of the conductive wire material at the peeled portion of the outer insulating layer is joined by welding or crimping to form a joint portion. At least a portion other than the joint portion, in the conductive wire material at the peeled portion of the outer insulating layer, is varnished.
    Type: Application
    Filed: August 22, 2023
    Publication date: February 1, 2024
    Inventor: YUKI TAKAHASHI
  • Patent number: 11888367
    Abstract: A voltage limit ellipse is defined in a d-q coordinate system of a rotating electric machine by d-axis and q-axis currents flowing through an armature coil when the magnitude of a voltage vector applied to the armature coil is equal to a voltage limit value. The product of the number of electrical conductor sections per pole in each phase and the number of poles of the rotating electric machine is set to have, when the rotational speed of the rotating electric machine is equal to a maximum rotational speed, the center of the voltage limit ellipse located outside an electric-current limit circle and in a negative d-axis region in the d-q coordinate system and a positive-d-axis-side vertex of the voltage limit ellipse located inside or on the electric-current limit circle.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: January 30, 2024
    Assignee: DENSO CORPORATION
    Inventor: Yuki Takahashi
  • Publication number: 20240022154
    Abstract: A rotary reciprocating drive actuator includes: a movable body including a shaft part to which a movable object is connected, and a magnet; a base portion including a pair of wall portions disposed to sandwich the movable object and support the shaft part; a core assembly including a core body including a plurality of magnetic poles, a coil body, and a magnet position holding portion to define a reference position of the reciprocating rotation, the core assembly being attached to one wall portion; and a sensor board that is attached to an other wall portion and on which a sensor configured to detect a rotational angle of the one end portion of the shaft part is mounted, in which the sensor board is disposed such that the sensor faces the other wall portion from an outer surface side of the other wall portion and detects the rotational angle.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 18, 2024
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Yuki TAKAHASHI, Yasutaka KITAMURA, Masaharu KAGAMI, Yuki OTSUKA, Kai MASAMOTO
  • Publication number: 20240019684
    Abstract: A rotary reciprocating drive actuator includes: a movable body including a shaft part to which a magnet is fixed, the movable body being configured to perform a reciprocating rotation about an axis; a base portion including a pair of wall portions for supporting the shaft part via a bearing; and a core assembly including: a core body including a plurality of magnetic poles facing the magnet, a coil body, and a magnet position holding portion to define a reference position of the reciprocating rotation, the core assembly being fixed to one wall portion, in which at least one of the base portion, the core body, or the core assembly includes a positioning fixation part for positioning and fixing the at least one of the base portion, the core body, or the core assembly to a fixation target object in a direction parallel to the shaft part.
    Type: Application
    Filed: July 12, 2023
    Publication date: January 18, 2024
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Kai MASAMOTO, Yuki TAKAHASHI, Yasutaka KITAMURA, Masaharu KAGAMI, Yuki OTSUKA
  • Publication number: 20240019683
    Abstract: A rotary reciprocating drive actuator includes: a movable body including a shaft part to which a magnet is fixed and being capable of performing a reciprocating rotation around an axis; a base portion including a pair of wall portions for supporting the shaft part via a bearing such that the shaft part is rotatable; a core assembly including: a core body having a plurality of magnetic poles facing an outer circumference of the magnet to sandwich the magnet, a coil body wound around the core body and energized to cause a reciprocating rotation of the movable body, and a magnet position holding portion generating a magnetic attraction force between the magnet position holding portion and the magnet to define a reference position of the reciprocating rotation; and a preload applying part externally fitted to the shaft part and configured to apply a preload to the bearing.
    Type: Application
    Filed: June 29, 2023
    Publication date: January 18, 2024
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Yuki OTSUKA, Yasutaka KITAMURA, Masaharu KAGAMI, Yuki TAKAHASHI, Kai MASAMOTO
  • Publication number: 20240019685
    Abstract: A rotary reciprocating drive actuator includes: a main body unit including: a movable body including a shaft part to which a movable object is connected and to which a magnet is fixed, and a base portion including a pair of wall portions disposed to sandwich the movable object, the base portion supporting the shaft part by the pair of wall portions; a core assembly including: a core body including a plurality of magnetic poles facing an outer circumference of the magnet, a coil body, and a magnet position holding portion; and a connecting surface portion that is integrally disposed on the one end portion side of the core assembly, and that is attached to the one wall portion in a state where the shaft part is inserted into an opening portion and the magnet is disposed in the core assembly.
    Type: Application
    Filed: July 12, 2023
    Publication date: January 18, 2024
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Masaharu KAGAMI, Yasutaka KITAMURA, Yuki TAKAHASHI, Yuki OTSUKA, Kai MASAMOTO
  • Publication number: 20240019686
    Abstract: The present invention includes: a movable body including a magnet fixed to an other end portion side of a shaft part to which a movable object is connected at one end portion side; a core assembly including a core body including a plurality of magnetic poles facing an outer circumference of the magnet, a coil body wound around the core body, a magnet position holding portion energized to generate a magnetic attraction force between the magnet position holding portion and the magnet to define a reference position of the reciprocating rotation; and a circuit board disposed to cover the core assembly at the other end side, in which the coil body includes a terminal part to which an end portion of a coil is connected and that is disposed to protrude to the circuit board side so as to be connected to a circuit of the circuit board.
    Type: Application
    Filed: July 12, 2023
    Publication date: January 18, 2024
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Masaharu KAGAMI, Yasutaka KITAMURA, Yuki TAKAHASHI, Yuki OTSUKA, Kai MASAMOTO
  • Publication number: 20240022153
    Abstract: A rotary reciprocating drive actuator includes: a movable body including a shaft part to which a movable object is connected at one end portion side of the shaft part, and a magnet fixed to an other end portion side of the shaft part, the movable body being supported to be capable of performing a reciprocating rotation about an axis; a core assembly including a magnet position holding portion defining a reference position of the reciprocating rotation; and a sensor board on which a sensor for detecting a rotational angle of the shaft part is mounted, the sensor board being disposed to cover the core assembly from the other end portion side, with the sensor facing the magnet side.
    Type: Application
    Filed: June 29, 2023
    Publication date: January 18, 2024
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Yuki TAKAHASHI, Yasutaka KITAMURA, Masaharu KAGAMI, Yuki OTSUKA, Kai MASAMOTO
  • Publication number: 20240015750
    Abstract: A terminal includes: a control unit that multiplexes uplink control information on an uplink shared channel; and a communication unit that transmits an uplink signal using the uplink shared channel on which the uplink control information is multiplexed. The control unit multiplies a number of bits constituting the uplink control information by a coefficient in a rate matching of the uplink control information. The control unit applies, as a range of coefficient, a specific range corresponding to a combination of a priority of the uplink control information and a priority of the uplink shared channel.
    Type: Application
    Filed: November 10, 2021
    Publication date: January 11, 2024
    Applicant: NTT DOCOMO, INC.
    Inventors: Yuki Takahashi, Satoshi Nagata, Qiping Pi