Patents by Inventor Yoshihiro Yamaguchi

Yoshihiro Yamaguchi 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: 20230295966
    Abstract: A vehicle door lock system is applied to a vehicle including a vehicle body having a door opening and a door, and the vehicle door lock system includes a striker structure installed at one of the vehicle body and the door and a door lock device installed at the other of the vehicle body and the door, the striker structure includes a first engagement portion and a second engagement portion disposed away from each other in the width direction, the door lock device includes a hook that is displaced between a locking position where the hook is allowed to be locked to the first engagement portion and a retraction position where the hook is not allowed to be locked to the first engagement portion, and the hook is positioned between the first engagement portion and the second engagement portion in the width direction when positioned at the locking position.
    Type: Application
    Filed: February 1, 2023
    Publication date: September 21, 2023
    Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daiki KATO, Natsumi ONODERA, Hisashi ITONAGA, Toshitsugu ODA, Yoshihiro YAMAGUCHI, Shinsuke TAKAYANAGI, Shunsuke KANAGAI, Nobuo HAYAMA, Tsubasa IKEUCHI
  • Publication number: 20230296943
    Abstract: A liquid crystal display device is provided and includes a substrate; a liquid crystal layer; pixels each having a pixel electrode between the liquid crystal layer and the substrate, and a thin film transistor connected to the pixel electrode; a counter electrode over the pixels; scanning lines each having a longitudinal direction along a first direction; signal lines each having a longitudinal direction along a second direction; and a first protrusion having a convex shape, the first protrusion being a part of the pixel electrode, protruding in one of the first direction and the second direction, and not overlapping the thin film transistor.
    Type: Application
    Filed: May 23, 2023
    Publication date: September 21, 2023
    Inventors: Yoshihiro SAKURAI, Hironao TANAKA, Hidemasa YAMAGUCHI
  • Publication number: 20230265690
    Abstract: A vehicle lower striker structure is disposed below a door opening portion opened and closed by a vehicle door. The vehicle lower striker structure includes: a base plate that has a plate shape whose plate thickness direction is an upper-lower direction, the base plate having a slit extending in a direction intersecting with the plate thickness direction; and a striker shaft that has a rod shape whose longitudinal direction is a direction intersecting the upper-lower direction, the striker shaft being fixed to the base plate and straddling the slit.
    Type: Application
    Filed: January 13, 2023
    Publication date: August 24, 2023
    Applicant: AISIN CORPORATION
    Inventors: Daiki KATO, Toshitsugu ODA, Natsumi ONODERA, Yoshihiro YAMAGUCHI, Shinsuke TAKAYANAGI
  • Publication number: 20230265688
    Abstract: A vehicle door lock device includes a latch configured to rotate between a fully-latched position and an unlatched position, a pawl configured to rotate between a restriction position where a rotation of the latch from the fully-latched position to the unlatched position is restricted and a permission position where the rotation is permitted, a latch support shaft, a pawl support shaft, a first base to which a first end of the latch support shaft and a first end of the pawl support shaft are fixed, a second base to which a second end of the latch support shaft and a second end of the pawl support shaft are fixed, and a coupling member that couples the first base and the second base. A first end of the coupling member is fixed to the first base, and a second end of the coupling member is fixed to the second base.
    Type: Application
    Filed: January 13, 2023
    Publication date: August 24, 2023
    Applicant: AISIN CORPORATION
    Inventors: Hisashi ITONAGA, Natsumi ONODERA, Toshitsugu ODA, Yoshihiro YAMAGUCHI, Shinsuke TAKAYANAGI
  • Publication number: 20230254620
    Abstract: Audio signal processing that satisfies both sound quality and cost is enabled. A processing unit that performs processing based on an output audio signal of a first microphone unit focusing on sound quality and an output audio signal of a second microphone unit focusing on cost is included. For example, the processing performed by the processing unit includes processing of obtaining a beamforming output and processing of obtaining a sound source separation output. Furthermore, for example, the processing performed by the processing unit may include processing of generating a first audio signal on the basis of an output audio signal of the first microphone and processing of generating a second audio signal on the basis of output audio signals of a plurality of the second microphone units.
    Type: Application
    Filed: July 12, 2021
    Publication date: August 10, 2023
    Inventors: YOHEI SAKURABA, YOSHIHIRO TAMURA, HIDEAKI WATANABE, KAZUHIRO MATSUTANI, YASUHIKO KATO, TAKESHI YAMAGUCHI
  • Publication number: 20230226473
    Abstract: The present invention provides a depth filter which contains fine particles and coarse particles, and which exhibits excellent filtration precision with respect to a high concentration fluid and/or a high viscosity fluid. This depth filter enables filtration for a long period of time, while maintaining a low filtration pressure. The present invention is a depth filter which is obtained by winding a fiber sheet into a cylinder, and which comprises a pre-filtration layer and a microfiltration layer; the pre-filtration layer and the microfiltration layer are formed of a fiber sheet; the fiber sheet is composed of a nonwoven fabric or a web; the average fiber diameter of the fiber sheet continuously decreases from the pre-filtration layer toward the microfiltration layer; and the average weight per square meter of the fiber sheet continuously decreases from the pre-filtration layer toward the microfiltration layer.
    Type: Application
    Filed: April 2, 2021
    Publication date: July 20, 2023
    Applicants: JNC CORPORATION, JNC FILTER CO., LTD.
    Inventors: Ryota MINEO, Akitomo TANAKA, Yoshihiro NAKAMURA, Osamu YAMAGUCHI
  • Publication number: 20230191538
    Abstract: A laser processing device is a device that processes a workpiece using a laser beam, and includes a cutting pallet and a container. The cutting pallet includes a placement unit that supports a lower surface of the workpiece. The container supports the cutting pallet and is capable of storing a transmission inhibition liquid inhibiting transmission of light having a wavelength greater than or equal to 0.7 µm and less than or equal to 10 µm up to a height position of the placement unit.
    Type: Application
    Filed: May 21, 2021
    Publication date: June 22, 2023
    Applicant: KOMATSU INDUSTRIES CORPORATION
    Inventors: Yoshihiro YAMAGUCHI, Shigeru NOZAKI, Kyohei OKAMOTO, Nobuhiro TAKATA, Keita KONDOU
  • Patent number: 11676831
    Abstract: A laser irradiation apparatus includes a laser generation device, a levitation unit to levitate an object to which the laser light is applied, and a conveyance unit to convey the levitated object. The conveyance unit includes a holding mechanism for holding the object by absorption, and a moving mechanism for moving the holding mechanism in a conveyance direction. The holding mechanism includes a base including a plurality of through holes, a plurality of pipes respectively connected to the through holes, a vacuum generation device configured to evacuate air from the pipes, and a plurality of absorption assistance valves each disposed in the middle of a respective one of the pipes, each of the plurality of absorption assistance valves being configured to be closed when a flow rate of a gas flowing into the pipe through the through hole becomes equal to or higher than a threshold.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: June 13, 2023
    Assignee: JSW AKTINA SYSTEM CO., LTD
    Inventors: Hiroaki Imamura, Takahiro Fuji, Yoshihiro Yamaguchi
  • Publication number: 20230161204
    Abstract: A display device is provided and includes first and second substrates; a liquid crystal layer filled between the first and second substrates; a counter electrode pattern formed on the first substrate; scanning lines extending in a first direction; signal lines; and a first pixel electrode pattern and a second pixel electrode pattern formed on the first substrate, wherein the first pixel electrode pattern and the second pixel electrode pattern are located in line symmetry with respect to a first scanning line of the scanning lines.
    Type: Application
    Filed: January 9, 2023
    Publication date: May 25, 2023
    Inventors: Yoshihiro SAKURAI, Hironao TANAKA, Hidemasa YAMAGUCHI
  • Patent number: 11623296
    Abstract: A plasma cutting machine cuts a work piece with a plasma arc. The plasma cutting machine includes a plasma torch, a drive device, and a controller. The plasma torch includes an electrode and a nozzle and generates the plasma arc. The drive device moves the plasma torch. The controller includes a storage device and controls the drive device. The storage device records information pertaining to the plasma cutting machine. The controller acquires a weight of a work piece. The controller acquires a consumption amount of at least one of the electrode and the nozzle. The controller records, in the storage device, processing performance data including the weight of the work piece and the consumption amount correlated with each other.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: April 11, 2023
    Assignee: KOMATSU INDUSTRIES CORPORATION
    Inventors: Nobuhiro Takata, Yoshihiro Yamaguchi
  • Publication number: 20220415735
    Abstract: A power module includes an insulating substrate, a case member, a power semiconductor element, a base member, a sealing member, and an adhesive member. The insulating substrate has a first surface and a second surface opposite to the first surface. The case member surrounds the insulating substrate when viewed in a direction perpendicular to the first surface. The power semiconductor element faces the first surface. The base member faces the second surface. The sealing member seals the power semiconductor element and the insulating substrate and is in contact with the case member. The adhesive member fixes the base member and the case member, and surrounds the insulating substrate when viewed in the direction perpendicular to the first surface.
    Type: Application
    Filed: January 17, 2020
    Publication date: December 29, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kozo HARADA, Ken SAKAMOTO, Yoshihiro YAMAGUCHI
  • Publication number: 20220359423
    Abstract: The object is to provide a semiconductor device that enables reduction of deformation of a metal pattern due to a thermal stress and enhancement of reliability with respect to a heat cycle. A semiconductor device includes an insulation substrate, a metal pattern, a refinement region, and a semiconductor chip. The metal pattern is provided on an upper surface of the insulation substrate. The refinement region is provided in at least a partial region of a surface of the metal pattern. The refinement region contains a crystal grain smaller than a crystal grain of metal contained in the metal pattern outside the at least partial region of the surface. The semiconductor chip is mounted in the refinement region of the metal pattern.
    Type: Application
    Filed: September 11, 2019
    Publication date: November 10, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshihiro YAMAGUCHI, Daisuke OYA
  • Publication number: 20220333857
    Abstract: A method for determining an operating condition of a liquefied natural gas plant (2) includes preparing a training model (88) generated by machine learning using training data in which operating conditions data including a composition of a feed gas, a composition of a mixed refrigerant, and an ambient temperature and operation result data including a production efficiency of a liquefied product containing liquefied natural gas and a heavy component of the feed gas are associated together; and determining, as one new operating condition, a composition of the mixed refrigerant that optimizes a production efficiency of the liquefied natural gas predicted by the training model (88) from a latest composition of the feed gas in the liquefied natural gas plant (2) and a latest ambient temperature.
    Type: Application
    Filed: May 27, 2020
    Publication date: October 20, 2022
    Inventors: Takayuki OCHIAI, Yoshihiro YAMAGUCHI
  • Patent number: 11446762
    Abstract: A laser irradiation apparatus (1) according to one embodiment irradiates a workpiece (16) with a laser beam (15) while conveying the workpiece (16) caused to float with the use of a flotation unit (10). The flotation unit (10) includes precision float regions (11a, 11b) and rough float regions (13a to 13j). The precision float regions (11a, 11b) are configured to cause the workpiece (16) to float by utilizing ejection and suction of a gas, and the rough float regions are configured to cause the workpiece (16) to float by utilizing ejection of a gas without suction of a gas.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: September 20, 2022
    Assignee: JSW AKTINA SYSTEM CO., LTD.
    Inventors: Takahiro Fuji, Yuki Suzuki, Takahiro Mikami, Yoshihiro Yamaguchi
  • Publication number: 20220288725
    Abstract: Provided are a solder alloy, a solder powder, a solder paste, and a solder joint having a low liquidus temperature and not too low solidus temperature. The solder alloy has an alloy composition of, by mass: Ag: 2.0 to 4.0%; Cu: 0.51 to 0.79%; and Bi: more than 4.0% and 8.0% or less, with the balance being Sn. The solder alloy has a liquidus temperature of less than 217° C.
    Type: Application
    Filed: March 9, 2022
    Publication date: September 15, 2022
    Inventors: Yoshie Tachibana, Tomoki Sasaki, Norikazu Sakai, Yoshihiro Yamaguchi
  • Patent number: 11427413
    Abstract: A flotation conveyance apparatus according to an embodiment is for conveying a substrate while floating the substrate by ejecting a gas to a lower surface of the substrate. The flotation conveyance apparatus includes a plurality of ejecting ports configured to eject the gas to the substrate, a downstream flow-path configured to supply the gas to the plurality of ejecting ports, a upstream flow-path configured to supply the gas to the downstream flow-path, and a gas supply port configured to supply the gas to the downstream flow-path. A cross-sectional area of the upstream flow-path is configured to be larger than a cross-sectional area of the downstream flow-path.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: August 30, 2022
    Assignee: JSW AKTINA SYSTEM CO., LTD.
    Inventors: Takahiro Fuji, Yoshihiro Yamaguchi
  • Patent number: 11355343
    Abstract: A laser irradiation apparatus (1) according to one embodiment includes a laser generating device (14) that generates a laser beam, a flotation unit (10) that causes a workpiece (16) that is to be irradiated with the laser beam to float, and a conveying unit (11) that conveys the floating workpiece (16). The conveying unit (11) conveys the workpiece (16) with the conveying unit (11) holding the workpiece (16) at a position where the conveying unit (11) does not overlap an irradiation position (15) of the laser beam. The laser irradiation apparatus (1) according to one embodiment makes it possible to suppress uneven irradiation with a laser beam.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: June 7, 2022
    Assignee: JSW AKTINA SYSTEM CO., LTD.
    Inventors: Takahiro Mikami, Takahiro Fuji, Yuki Suzuki, Yoshihiro Yamaguchi
  • Patent number: 11348787
    Abstract: A laser irradiation apparatus (1) according to an embodiment includes a laser generation device (14) configured to generate laser light, and a levitation unit (10) configured to levitate an object to be processed (16) to which the laser light is applied. The levitation unit (10) includes a first area and a second area, and the first and second areas are arranged so that, in a plane view, a focal point of the laser light overlaps the first area and the focal point of the laser light does not overlap the second area. A surface part of the second area is formed of a metal member.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: May 31, 2022
    Assignee: JSW AKTINA SYSTEM CO., LTD.
    Inventors: Yuki Suzuki, Takahiro Fuji, Takahiro Mikami, Yoshihiro Yamaguchi, Ryo Shimizu
  • Patent number: 11331750
    Abstract: A three-dimensional laser cutter can be disposed in a machining room. The machining room includes a ceiling and a plate member. The ceiling is provided with a suction port connected to a suction device. The plate member is disposed below the ceiling with a gap therebetween. The plate member forms a space with the ceiling.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: May 17, 2022
    Assignee: KOMATSU INDUSTRIES CORPORATION
    Inventors: Yoshihiro Yamaguchi, Kazuyuki Kitamura, Youichirou Shimizu
  • Patent number: 11319167
    Abstract: A flotation conveyance apparatus according to an embodiment includes a flotation unit for floating a substrate by ejecting a gas to a lower surface of the substrate. The flotation unit includes a plurality of ejecting ports provided on a surface facing the substrate and configured to eject the gas, and slits penetrating the flotation unit in a vertical direction. The flotation conveyance apparatus is configured in such a way that the gas staying between a surface of the flotation unit facing the substrate and the substrate is discharged to a lower surface side of the flotation unit through the slits.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: May 3, 2022
    Assignee: JSW AKTINA SYSTEM CO., LTD.
    Inventors: Takahiro Fuji, Yoshihiro Yamaguchi