Patents by Inventor Hiroyuki Yamaguchi

Hiroyuki 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: 20220148937
    Abstract: A semiconductor device includes: a package to seal a semiconductor element; a lead frame having one end portion connected to the semiconductor element and the other end portion protruding from a side surface of the package; a plurality of threaded holes formed in the package to enable the package to be fixed to the substrate; and a resin part capable of closing each of the plurality of threaded holes. A type name of the semiconductor device is represented by open and closed states of the respective threaded holes.
    Type: Application
    Filed: September 10, 2021
    Publication date: May 12, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventors: Mamoru TOGAMI, Toshitaka SEKINE, Teruaki NAGAHARA, Hiroyuki NAKAMURA, Kazuhiro KAWAHARA, Kosuke YAMAGUCHI, Shota O
  • Publication number: 20220123292
    Abstract: The present disclosure provides a positive electrode active material having a spinel-type crystal structure that can reduce an increase in resistance and a decrease in capacity retention rate due to repeated charging and discharging of a non-aqueous electrolyte secondary battery. The positive electrode active material disclosed herein is configured of a lithium manganese composite oxide having a spinel-type crystal structure, wherein the lithium manganese composite oxide includes secondary particles in which a plurality of primary particles are aggregated, an average particle diameter of the secondary particles based on a SEM image is 10 ?m or more and 20 ?m or less, an average particle diameter of the primary particles based on a SEM image is 4 ?m or more and 8 ?m or less, and nickel atoms are provided in the surface layer portion of the secondary particles.
    Type: Application
    Filed: October 12, 2021
    Publication date: April 21, 2022
    Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Yoshinari MAKIMURA, Hiroyuki YAMAGUCHI, Masataka TOMITA
  • Patent number: 11301387
    Abstract: A memory system includes a memory and a memory controller. The memory includes first and second parallel operation elements, each including a plurality of first and second storage regions, respectively, and first and second buffers, respectively. The memory controller performs operations on the memory based on first and second group information. The first group information defines first groups, each first group including one first storage region and one second storage region, and each second group including at least two first groups. The memory controller, in response to a host command targeting a first storage region, (i) acquires first data from the first buffer, and thereafter (ii) causes the memory to read out second data to the first buffer. The first storage region storing the first data and the second storage region storing the second data belong to different first groups and to the same second group.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: April 12, 2022
    Assignee: KIOXIA Corporation
    Inventors: Hirokazu Takeuchi, Takahiro Miomo, Hiroyuki Yamaguchi, Hajime Yamazaki
  • Publication number: 20220091786
    Abstract: A memory system according to an embodiment includes a nonvolatile memory and a memory controller. The nonvolatile memory includes a first storage region and a second storage region. The memory controller comprises a third storage region storing a master table and a fourth storage region storing a change history of the master table. The memory controller is configured to: order the nonvolatile memory to write the master table stored in the third storage region in the first storage region when receiving a power-off command from outside; order the nonvolatile memory to write the change history stored in the fourth storage region in the second storage region.
    Type: Application
    Filed: March 15, 2021
    Publication date: March 24, 2022
    Applicant: Kioxia Corporation
    Inventors: Atsushi OKAMOTO, Hiroyuki YAMAGUCHI, Ryoichi KATO, Hiroki MATSUDAIRA
  • Patent number: 11255407
    Abstract: An eddy current damper includes a screw shaft, first permanent magnets, second permanent magnets, a cylindrical magnet holding member, a cylindrical conductive member, and a ball nut meshing with a screw shaft. The screw shaft is movable in the axial direction. The first permanent magnets are arrayed along the circumferential direction around the screw shaft. The second permanent magnet is arranged between the first permanent magnets, wherein the arrangement of magnet poles is inverted between the second permanent magnet and the first permanent magnet. The magnet holding member holds the first permanent magnet and the second permanent magnet. The conductive member is opposed to the first permanent magnets and the second permanent magnets with a gap therebetween. The ball nut is disposed inside the magnet holding member and the conductive member, and is fixed to the magnet holding member or the conductive member.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: February 22, 2022
    Assignees: Nippon Steel Corporation, Aseismic Devices Co., Ltd.
    Inventors: Kenji Imanishi, Hiroyuki Yamaguchi, Ryohsuke Masui, Shigeki Nakaminami, Hidenori Kida
  • Patent number: 11198426
    Abstract: A hybrid vehicle includes a first gear mechanism which transmits the power of the internal combustion engine to the motor generator side, while accelerating the power between the internal combustion engine and the motor generator; a second gear mechanism which transmits the power of the motor generator side to a vehicle drive shaft, while decelerating the power between the motor generator and the vehicle drive shaft; a third gear mechanism which transmits the power of the drive motor side to the vehicle drive shaft, while decelerating the power between the drive motor and the vehicle drive shaft; a clutch mechanism which switches connection and disconnection between the drive shaft of the motor generator and the first gear mechanism or the second gear mechanism; and a control device which controls the clutch mechanism. The motor generator is not connected to both the vehicle drive shaft and the internal combustion engine at the same time at the time of normal traveling.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: December 14, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kosuke Aiki, Kisaburo Hayakawa, Yoshiaki Ito, Hiroyuki Yamaguchi, Hideto Inagaki, Masaki Okamura
  • Patent number: 11198264
    Abstract: A dried vitrigel membrane is produced by a method including the following steps of (1) a step of keeping a hydrogel in the inside of a wall surface mold with a shape the same as the desired shape disposed on a substrate, and discharging a part of free water within the hydrogel from a gap between the substrate and the wall surface mold; (2) a step of removing the wall surface mold from the top of the substrate; (3) a step of drying the hydrogel to remove the residual free water, thereby fabricating a vitrified dried hydrogel; (4) a step of rehydrating the dried hydrogel to fabricate a vitrigel membrane; and (5) a step of redrying the vitrigel membrane to remove free water, thereby fabricating a vitrified dried vitrigel membrane.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: December 14, 2021
    Assignees: KANTO KAGAKU KABUSHIKI KAISHA
    Inventors: Toshiaki Takezawa, Ayumi Oshikata, Hiroyuki Kuroyama, Tomoya Sawaguchi, Hiroyuki Yamaguchi
  • Publication number: 20210351433
    Abstract: Provided is a lithium solid-state battery having high thermal stability and low resistance. A lithium solid-state battery comprising: a cathode comprising a cathode layer that contains an oxide-based cathode active material, an anode comprising an anode layer that contains an anode active material, and a solid electrolyte layer being disposed between the cathode layer and the anode layer and containing a solid electrolyte, wherein at least any one of the anode layer and the solid electrolyte layer contains a sulfide-based solid electrolyte, and wherein the anode layer contains at least one phosphorus-based ester compound selected from the group consisting of a phosphoric acid ester, a phosphoric acid ester, a phosphinic acid ester, a phosphorous acid ester and a phosphoric acid ester amide.
    Type: Application
    Filed: March 1, 2021
    Publication date: November 11, 2021
    Inventor: Hiroyuki YAMAGUCHI
  • Patent number: 11165326
    Abstract: A decelerating apparatus includes a brake member, primary and secondary permanent magnets and pole pieces. The primary permanent magnets are arranged in a circumferential direction to face an inner or outer peripheral surface of the brake member with a gap in between. Each of the primary permanent magnets has two opposite magnetic poles arranged in a radial direction. The secondary permanent magnets and the pole pieces are placed in the gap and arranged in the circumferential direction. Each of the secondary permanent magnets has two opposite magnetic poles arranged in the circumferential direction. Each of the pole pieces is positioned between adjacent secondary permanent magnets. Magnetic pole arrangements of adjacent primary permanent magnets are opposite to each other. Magnetic pole arrangements of adjacent secondary permanent magnets are opposite to each other. Each of the secondary permanent magnets has a trapezoidal cross-sectional shape including an upper base and a lower base.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: November 2, 2021
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Kenji Imanishi, Takuya Fujita, Hiroyuki Yamaguchi, Hiroshi Nogami, Yasutaka Noguchi, Mitsuo Miyahara
  • Publication number: 20210300112
    Abstract: An upright includes an axle hub, a hub carrier, and a hub tilt detector configured to detect a tilt of the axle hub with respect to the hub carrier. The hub carrier includes a hub support that supports the axle hub, a carrier body which holds the hub support and to which the sensor of the hub tilt detector is fixed, and a deformation member interposed between the hub support and the carrier body and made of a material having a lower Young's modulus than the carrier body.
    Type: Application
    Filed: March 24, 2021
    Publication date: September 30, 2021
    Applicant: JTEKT CORPORATION
    Inventors: Motohiro FUJIYOSHI, Hideki SUGIURA, Hiroyuki YAMAGUCHI, Yoshikazu HATTORI, Yuya INOUE, Yoichiro SANKAI, Mahito SHIBA, Takuya HONJYOU
  • Publication number: 20210300382
    Abstract: A tire state estimating device includes an electronic control unit. The electronic control unit is configured to acquire generated force of a tire. The electronic control unit is configured to acquire a friction coefficient between the tire and a road surface. The electronic control unit is configured to derive a grip margin of the tire. The electronic control unit is configured to estimate a contact length of the tire in an uncontrolled drive state. The electronic control unit is configured to estimate a cornering power of the tire, based on the contact length of the tire that is estimated and the generated force of the tire that is acquired.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Applicant: JTEKT CORPORATION
    Inventors: Hiroyuki YAMAGUCHI, Hideki SUGIURA, Motohiro FUJIYOSHI, Yoshikazu HATTORI, Yuya INOUE, Yoichiro SANKAI, Mahito SHIBA, Takuya HONJYOU
  • Publication number: 20210284029
    Abstract: A ground fault detection device connected to a high-voltage battery and a positive electrode side Y capacitor includes: a detection capacitor operating as a flying capacitor, a first switch and a first resistor connecting a positive electrode side of the high-voltage battery and one end of the detection capacitor in series, and a discharge circuit including at least a discharge capacitor. The discharging circuit has one end connected to the positive electrode side of the high-voltage battery and an another end connected to the negative electrode side of the high-voltage battery. The discharge circuit further includes: a fifth switch that connects one end of the discharge capacitor and the positive electrode side Y capacitor, and a second discharge resistor and an eighth switch that connect the another end of the discharge capacitor and the ground in series.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 16, 2021
    Applicant: HONDA MOTOR CO., LTD.
    Inventor: Hiroyuki YAMAGUCHI
  • Publication number: 20210270910
    Abstract: A ground fault detection device connected to a high-voltage battery and a positive electrode side Y capacitor includes a detection capacitor operating as a flying capacitor and a discharge circuit including at least a fifth switch. A one end of the discharge circuit is connected to a first circuit that connects a positive electrode side of the high-voltage battery and a one end of the detection capacitor. An another end of the discharge circuit is connected to a second circuit that connects an another end of the detection capacitor and a ground.
    Type: Application
    Filed: March 2, 2021
    Publication date: September 2, 2021
    Applicant: HONDA MOTOR CO., LTD.
    Inventor: Hiroyuki YAMAGUCHI
  • Publication number: 20210207085
    Abstract: The present invention provides, in order to prepare matured hepatocytes analogous in various points to primary hepatocytes, a method for preparing hepatocytes or cells that can be differentiated into hepatocytes from pluripotent stem cells, comprising the steps of: (1) culturing the pluripotent stem cells in a medium containing an activator of an activin receptor-like kinase-4,7; (2) culturing the cells obtained in the step (1) in a medium containing a bone morphogenetic factor and a fibroblast growth factor; (3) culturing the cells obtained in the step (2) in a medium containing an activator of a hepatocyte growth factor receptor and an activator of an oncostatin M receptor; and (4) culturing the cells obtained in the step (3) to obtain hepatocytes or cells that can be differentiated into hepatocytes, wherein in at least one of the steps (2), (3) and (4), cells are cultured on a high-density collagen gel membrane.
    Type: Application
    Filed: October 9, 2018
    Publication date: July 8, 2021
    Applicants: TOKYO INSTITUTE OF TECHNOLOGY, KANTO KAGAKU KABUSHIKI KAISHA, CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Shoen KUME, Nobuaki SHIRAKI, Hiroyuki YAMAGUCHI, Tomoaki INOUE, Toshito NAKAGAWA, Jumpei KIYOKAWA
  • Publication number: 20210194413
    Abstract: A building material-integrated solar cell module (5) includes a solar cell panel (11), a cushioning member (13) disposed at a back side of the solar cell panel (11), a base plate (9) formed of an incombustible material and supporting the cushioning member (13), and a cable (35) drawn from the back side of the solar cell panel (11) and wired on a front side of the base plate (9).
    Type: Application
    Filed: March 9, 2021
    Publication date: June 24, 2021
    Applicant: KANEKA CORPORATION
    Inventors: Kensuke ISHIDA, Hideki OOE, Takehiko YOSHIOKA, Yuki FUJI, Yasumasa SANO, Masashi KIRIMURA, Hiroyuki YAMAGUCHI
  • Publication number: 20210194412
    Abstract: First and second engaging members (15) each including an engaging portion (15n) are attached to a ridge-side end of each of first through third solar cell panels (11) and are disposed with an interval in a beam direction. First and second engaged members (21) each including an engaged portion (21i) are attached to an eaves-side end of each solar cell panel (11) and are disposed with an interval in the beam direction. The engaging portion (15n) of the first engaging member (15) of the first solar cell panel (11) is engaged with the engaged portion (21i) of the first engaged member (21) of the second solar cell panel (11), whereas the engaging portion (15n) of the second engaging member (15) of the first solar cell panel (11) is engaged with the engaged portion (21i) of the second engaged member (21) of the third solar cell panel (11).
    Type: Application
    Filed: March 9, 2021
    Publication date: June 24, 2021
    Applicant: KANEKA CORPORATION
    Inventors: Kensuke ISHIDA, Hideki OE, Takehiko YOSHIOKA, Yuki FUJI, Yasumasa SANO, Masashi KIRIMURA, Hiroyuki YAMAGUCHI
  • Publication number: 20210036595
    Abstract: A decelerating apparatus includes a brake member, primary and secondary permanent magnets and pole pieces. The primary permanent magnets are arranged in a circumferential direction to face an inner or outer peripheral surface of the brake member with a gap in between. Each of the primary permanent magnets has two opposite magnetic poles arranged in a radial direction. The secondary permanent magnets and the pole pieces are placed in the gap and arranged in the circumferential direction. Each of the secondary permanent magnets has two opposite magnetic poles arranged in the circumferential direction. Each of the pole pieces is positioned between adjacent secondary permanent magnets. Magnetic pole arrangements of adjacent primary permanent magnets are opposite to each other. Magnetic pole arrangements of adjacent secondary permanent magnets are opposite to each other. Each of the secondary permanent magnets has a trapezoidal cross-sectional shape including an upper base and a lower base.
    Type: Application
    Filed: January 23, 2019
    Publication date: February 4, 2021
    Inventors: Kenji IMANISHI, Takuya FUJITA, Hiroyuki YAMAGUCHI, Hiroshi NOGAMI, Yasutaka NOGUCHI, Mitsuo MIYAHARA
  • Publication number: 20210020938
    Abstract: A main object of the present disclosure is to provide an active material wherein an expansion upon intercalation of a metal ion such as a Li ion is suppressed. The present disclosure achieves the object by providing an active material comprising a silicon clathrate type crystal phase, and the active material includes a Na element, a Si element and a M element that is a metal element with an ion radius larger than the Si element, and a proportion of the M element to a total of the Si element and the M element is 0.1 atm % or more and 5 atm % or less.
    Type: Application
    Filed: June 19, 2020
    Publication date: January 21, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyuki YAMAGUCHI, Hironori DAIKOKU, Jun YOSHIDA, Kazuhiro SUZUKI, Mitsutoshi OTAKI
  • Publication number: 20200318971
    Abstract: An inertial navigation device that includes a processor that is configured to: assume a vertical velocity and a lateral velocity of a vehicle to be 0, and estimate a roll angle, a pitch angle and an azimuth angle, which are attitude angles of the vehicle, based on angular velocities and accelerations detected by the inertial measurement device, a longitudinal velocity detected by a vehicle velocity sensor, and an initial value of the azimuth angle of the vehicle, and assume the vertical velocity of the vehicle to be 0, and estimate a current position of the vehicle based on the estimated attitude angles, the angular velocities and the accelerations detected by the inertial measurement device, the longitudinal velocity detected by the vehicle velocity sensor, a steering angle detected by a steering angle sensor, and an initial value of a position of the vehicle.
    Type: Application
    Filed: December 31, 2019
    Publication date: October 8, 2020
    Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Daiki MORI, Yoshikazu HATTORI, Hideki SUGIURA, Hiroyuki YAMAGUCHI
  • Patent number: 10797345
    Abstract: An object of the present invention is to further lower the viscosity of a sulfur compound solid electrolyte dispersion paste while suppressing sedimentation of a sulfur compound solid electrolyte. Provided is a sulfur compound solid electrolyte dispersion paste for secondary batteries, containing a dispersion resin (A), a sulfur compound solid electrolyte (B) and a solvent (C), wherein the dispersion resin (A) contains at least one type of acrylic resin (a) having a weight-average molecular weight of 3000 or higher.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: October 6, 2020
    Assignees: KANSAI PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoyuki Iwata, Atsushi Tsukamoto, Masakazu Tamaru, Hiroyuki Yamaguchi, Satoshi Yoshida, Yuki Ishigaki