Patents by Inventor Tatsuya Miyazaki

Tatsuya Miyazaki 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: 20240154446
    Abstract: In an electric power device and a method for controlling the same, a first circuit is electrically connected to a first battery tray and a second battery tray, a second circuit is electrically connected to the first battery tray, and a third circuit is electrically connected to the second battery tray. Between the first circuit and the second circuit, a first resistor unit is connected in series with the first battery tray, and a first interrupting unit is connected in parallel with the first resistor unit. Between the first circuit and the third circuit, a second resistor unit is connected in series with the second battery tray, and a second interrupting unit is connected in parallel with the second resistor unit.
    Type: Application
    Filed: March 9, 2022
    Publication date: May 9, 2024
    Inventors: Atsushi Nakajima, Satoshi Odakura, Keita Yagi, Takumi Shiiyama, Tatsuya Uchimoto, Makoto Ogawa, Koichiro Takemasa, Hiroshi Miyazaki
  • Patent number: 11943414
    Abstract: An image processing apparatus includes a display device and a processor. The processor is configured to generate a first screen for display on the display device and on which one of a plurality of malfunctioning part candidates of the image processing apparatus and one of a plurality of timings at which a particular sound was output by the image processing apparatus that malfunctioned, are selectable, when a first malfunctioning part candidate and a first timing are selected on the first screen, generate a second screen for display on the display device and on which one or more reference sounds corresponding to the particular sound are selectable, and when one of the reference sounds is selected on the second screen, generate error information indicating the first malfunctioning part candidate and the selected reference sound.
    Type: Grant
    Filed: April 13, 2023
    Date of Patent: March 26, 2024
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventors: Sou Miyazaki, Hiroyo Tanaka, Kazuhiro Ogura, Masaki Narahashi, Satoshi Oyama, Tatsuya Inagi
  • Publication number: 20230360838
    Abstract: A circuit component includes a resin composite body and a conductor. The resin composite body is composed of a resin material and a plurality of magnetic particles contained in the resin material. The conductor is formed on the surface of the resin composite body. The magnetic particles are dispersed in the resin material.
    Type: Application
    Filed: September 6, 2021
    Publication date: November 9, 2023
    Inventors: Tatsuya MIYAZAKI, Yuta OKAWAUCHI
  • Patent number: 11764668
    Abstract: An apparatus includes a control device configured to serve as a principal controlling agent in an electric power conversion device incorporating a switching circuit configured to be a bidirectional inverter. The control device is configured to subtract, from a reference signal that is determined in accordance with an operation mode of the electric power conversion device, a multiplied signal obtained by multiplying a control-target current of the switching circuit by a prescribed coefficient to generate, based on a result of the subtraction, a control signal for controlling the bidirectional inverter.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: September 19, 2023
    Assignee: Rohm Co., Ltd.
    Inventors: Tatsuya Miyazaki, Yuta Okawauchi, Hirotaka Otake, Mamoru Tsuruya
  • Patent number: 11732116
    Abstract: According to the rubber composition for a tire tread comprising a diene-based rubber component, and, based on 100 parts by mass of the diene-based rubber component, 0.5 to 6.0 parts by mass of a branched alkane of 40 to 70 carbon atoms, 0.05 to 3.5 parts by mass of a linear alkane of 45 or more carbon atoms and 1 to 35 parts by mass of aluminum hydroxide, and a tire comprising tread composed of the rubber composition for a tire tread of the present invention, a rubber composition for a tire tread capable of improving initial wet grip performance can be provided, thereby providing a tire having such improved initial wet grip performance.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: August 22, 2023
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Keiji Takagi, Tatsuya Miyazaki
  • Publication number: 20230146758
    Abstract: A semiconductor device includes at least one semiconductor element having a switching function; a conductive member that forms a path of a current switched by the semiconductor element, and that is made of a first material; and a covering layer that covers at least a portion of the conductive member, and that is made of a second material. The second material satisfies at least one of the following three requirements: (a) having a magnetic permeability higher than the first material; (b) having an electrical resistivity higher than the first material; and (c) having a dielectric loss tangent larger than zero.
    Type: Application
    Filed: March 17, 2021
    Publication date: May 11, 2023
    Inventor: Tatsuya MIYAZAKI
  • Publication number: 20230132511
    Abstract: A semiconductor device includes a first and a second switching element, a first and a second conductive member, and a capacitor. The first switching element has a first element obverse surface and a first element reverse surface facing away from each other in a first direction. The second switching element has a second element obverse surface and a second element reverse surface facing away from each other in the first direction. The first and second conductive members are spaced apart in a second direction orthogonal to the first direction. The capacitor has a first and a second connection terminal. The first and second switching elements are connected in series, forming a bridge. The first and second connection terminals are electrically connected to opposite ends of the bridge. The capacitor and the first switching element are on the first conductive member, the second switching element on the second conductive member.
    Type: Application
    Filed: March 15, 2021
    Publication date: May 4, 2023
    Inventors: Yuta OKAWAUCHI, Yasuo KANETAKE, Tatsuya MIYAZAKI, Takukazu OTSUKA
  • Patent number: 11458768
    Abstract: The present invention provides a tread rubber composition that is excellent in wet grip performance during the initial phase of running and tensile properties, and a pneumatic tire including the tread rubber composition. The present invention relates to a tread rubber composition containing: a diene rubber; silica; and sulfur and/or a sulfur-containing compound, the tread rubber composition satisfying the following relationships (1) to (3): EB/M300?50??(1); M100?1.7 MPa??(2); and EB?500%??(3).
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: October 4, 2022
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Tatsuya Miyazaki
  • Publication number: 20220310479
    Abstract: A power module (PM) includes: an insulating substrate; a semiconductor device disposed on the insulating substrate, the semiconductor device including electrodes on a front surface side and a back surface side thereof; and a graphite plate having an anisotropic thermal conductivity, the graphite plate of which one end is connected to the front surface side of the semiconductor device and the other end is connected to the insulating substrate, wherein heat of the front surface side of the semiconductor device is transferred to the insulating substrate through the graphite plate. There is provide an inexpensive power module capable of reducing a stress and capable of exhibiting cooling performance not inferior to that of the double-sided cooling structures.
    Type: Application
    Filed: May 17, 2022
    Publication date: September 29, 2022
    Inventors: Maiko HATANO, Takukazu OTSUKA, Hirotaka OTAKE, Tatsuya MIYAZAKI
  • Patent number: 11441091
    Abstract: A grease base oil, containing: condensation esters of alcohols (A) and carboxylic acids (B), wherein the alcohols (A) include a polyhydric alcohol represented by General Formula (1), the carboxylic acids (B) include a fatty acid having 5 to 9 carbon atoms (B-1), a branched fatty acid having 15 to 20 carbon atoms (B-2), a cycloalkane monocarboxylic acid having 4 to 8 carbon atoms (B-3), and an aromatic carboxylic acid (B-4), and the carboxylic acids (B) have a percentage of (B-1) above of 30 mol % to 50 mol %, a percentage of (B-2) above of 30 mol % to 50 mol %, a percentage of (B-3) above of 10 mol % to 30 mol %, and a percentage of (B-4) above of 1 mol % to 15 mol %. The grease base oil contains condensation esters having heat resistance and low temperature storageability.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: September 13, 2022
    Assignees: KYODO YUSHI CO., LTD., KAO CORPORATION
    Inventors: Tatsuya Miyazaki, Yuta Kanazawa, Tomonobu Komoriya, Hiroyuki Ishikawa, Yuta Sato
  • Publication number: 20220251347
    Abstract: Provided is a tire which provides improved overall performance in terms of wet grip performance and abrasion resistance. Included is a tire including a tread containing a rubber composition, the rubber composition containing at least one rubber component and at least one silane coupling agent having a sulfur content of 10% by mass or higher, the rubber composition having an ash content of 36% by mass or higher, the rubber composition having a sulfur content of 1.0% by mass or lower when measured after acetone extraction.
    Type: Application
    Filed: May 29, 2020
    Publication date: August 11, 2022
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Yoshihiko KOMORI, Tatsuya MIYAZAKI
  • Patent number: 11367669
    Abstract: A power module (PM) includes: an insulating substrate; a semiconductor device disposed on the insulating substrate, the semiconductor device including electrodes on a front surface side and a back surface side thereof; and a graphite plate having an anisotropic thermal conductivity, the graphite plate of which one end is connected to the front surface side of the semiconductor device and the other end is connected to the insulating substrate, wherein heat of the front surface side of the semiconductor device is transferred to the insulating substrate through the graphite plate. There is provide an inexpensive power module capable of reducing a stress and capable of exhibiting cooling performance not inferior to that of the double-sided cooling structures.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: June 21, 2022
    Assignee: ROHM CO., LTD.
    Inventors: Maiko Hatano, Takukazu Otsuka, Hirotaka Otake, Tatsuya Miyazaki
  • Publication number: 20220064559
    Abstract: A grease base oil, containing: condensation esters of alcohols (A) and carboxylic acids (B), wherein the alcohols (A) include a polyhydric alcohol represented by General Formula (1), the carboxylic acids (B) include a fatty acid having 5 to 9 carbon atoms (B-1), a branched fatty acid having 15 to 20 carbon atoms (B-2), a cycloalkane monocarboxylic acid having 4 to 8 carbon atoms (B-3), and an aromatic carboxylic acid (B-4), and the carboxylic acids (B) have a percentage of (B-1) above of 30 mol % to 50 mol %, a percentage of (B-2) above of 30 mol % to 50 mol %, a percentage of (B-3) above of 10 mol % to 30 mol %, and a percentage of (B-4) above of 1 mol % to 15 mol %. The grease base oil contains condensation esters having heat resistance and low temperature storageability.
    Type: Application
    Filed: January 30, 2020
    Publication date: March 3, 2022
    Applicants: KAO CORPORATION, KYODO YUSHI CO., LTD.
    Inventors: Tatsuya MIYAZAKI, Yuta KANAZAWA, Tomonobu KOMORIYA, Hiroyuki ISHIKAWA, Yuta SATO
  • Patent number: 11245342
    Abstract: AC power supply device 1 includes input capacitors 11 and 12 connected at a neutral point X of a three-phase output, transistor bridges 20* (where * denotes U, V, and/or W) each consisting of PWM control badges 20*1 and 20*2 each including two switch elements, transformers T* connected to output terminals of the transistor bridges 20*, reactors Ls* connected to the transformers T*, smoothing capacitors 40* connected to the reactors Ls*. The transformers T* are autotransformers including a core 33* and windings 31* and 32* coupled with each other via the core 33*. One ends of the windings are connected to output terminals of the PWM control bridges 20*1 and 20*2, respectively, while the other terminals are connected to the reactors Ls*. The windings 31* and 32* are wound in such directions that magnetic fluxes generated in the core 33* are cancelled with each other.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: February 8, 2022
    Assignee: Rohm Co., Ltd.
    Inventors: Hirotaka Otake, Tatsuya Miyazaki, Mamoru Tsuruya
  • Publication number: 20220021299
    Abstract: A control device 100 is used as a principle controller of an electric power conversion device 1 having a switch circuit 10 including transistors M1-M4. The control device: subtracts, from a reference signal REF set in accordance with an operating mode MODE (PFC/INV) of the electric power conversion device 1, a product signal (K×I) obtained by multiplying an object-of-control electric current I of the switch circuit 10 by a prescribed coefficient K; and generates, on the basis of the computation result (=REF?K×I), control signals S1-S4 (and consequently, gate signals G1-G4) for the transistors M1-M4.
    Type: Application
    Filed: November 29, 2019
    Publication date: January 20, 2022
    Inventors: Tatsuya MIYAZAKI, Yuta OKAWAUCHI, Hirotaka OTAKE, Mamoru TSURUYA
  • Publication number: 20210403684
    Abstract: The present invention provides a pneumatic tire that can improve wet grip performance while maintaining a good TGC resistance, even when the tire is stored as having a thin thickness of a subtread at a bottom of a tread main groove, and rim-assembled and mounted on a vehicle to be left to stand. The present invention relates to a pneumatic tire comprising a tread part, the tread part comprising at least a cap tread and a jointless band, the cap tread being formed of a rubber composition for a cap tread, the jointless band comprising fiber cords coated with a rubber composition for fiber cord toppings, the rubber composition for a cap tread comprising 3.0 parts by mass or more of antioxidant based on 100 parts by mass of a rubber component comprising a diene-based rubber, and wherein a subtread thickness at the bottom of tread main grooves is 0.1 to 3.
    Type: Application
    Filed: September 13, 2019
    Publication date: December 30, 2021
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Shigeki OTSUBO, Tatsuya MIYAZAKI
  • Publication number: 20210277212
    Abstract: According to the rubber composition for a tire tread comprising a diene-based rubber component, and, based on 100 parts by mass of the diene-based rubber component, 0.5 to 6.0 parts by mass of a branched alkane of 40 to 70 carbon atoms, 0.05 to 3.5 parts by mass of a linear alkane of 45 or more carbon atoms and 1 to 35 parts by mass of aluminum hydroxide, and a tire comprising tread composed of the rubber composition for a tire tread of the present invention, a rubber composition for a tire tread capable of improving initial wet grip performance can be provided, thereby providing a tire having such improved initial wet grip performance.
    Type: Application
    Filed: August 6, 2019
    Publication date: September 9, 2021
    Applicant: Sumitomo Rubber Industries, Ltd.
    Inventors: Keiji TAKAGI, Tatsuya MIYAZAKI
  • Publication number: 20210268836
    Abstract: An object of the present invention is to provide a tire having a good mold releasability even though the tire has a sipe with a complicated shape such as a three-dimensional shape and with abrasion resistance and wet grip performance maintained or improved. The tire comprises a cap tread, wherein the cap tread is composed of a rubber composition comprising 0.20 parts by mass or more of C40-C70 branched alkane based on 100 parts by mass of a rubber component and having 0.16 or less of tan ? at 30° C., and wherein the cap tread has a sipe with a three-dimensional shape or a sipe with a portion of a maximum cross-sectional area inside a surface of the tread, and wherein the maximum cross-sectional area is 1.1 times or more the minimum cross-sectional area.
    Type: Application
    Filed: March 22, 2019
    Publication date: September 2, 2021
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Tatsuya MIYAZAKI
  • Patent number: 11104858
    Abstract: Provided is a method of lubricating a sliding part by applying a lubricating base oil containing an ester compound to the sliding part. The ester compound contains a mixture of one or more compounds represented by a general formula (1) wherein R1 and R2 independently represent a hydrogen, a methyl, a benzoyloxy, a naphthoyloxy, or general formula (2) (—O—C(?O)—R5), R3 and R4 independently represent a benzoyloxy group, a naphthoyloxy group, or general formula (2), and R5 represents a linear C5-21 alkyl group, a branched chain C9-21 alkyl group, or a C5-21 cycloalkyl group that may also be substituted with an alkyl chain. The mixture contains a compound in which at least one among R1 to R4 is general formula (2), and the proportion, in the mixture, of a compound in which at least one among R1 to R4 is a benzoyloxy group or a naphthoyloxy group is 5-100 mole %.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: August 31, 2021
    Assignee: KAO CORPORATION
    Inventor: Tatsuya Miyazaki
  • Publication number: 20210234474
    Abstract: AC power supply device 1 includes input capacitors 11 and 12 connected at a neutral point X of a three-phase output, transistor bridges 20* (where * denotes U, V, and/or W) each consisting of PWM control badges 20*1 and 20*2 each including two switch elements, transformers T* connected to output terminals of the transistor bridges 20*, reactors Ls* connected to the transformers T*, smoothing capacitors 40* connected to the reactors Ls*. The transformers T* are autotransformers including a core 33* and windings 31* and 32* coupled with each other via the core 33*. One ends of the windings are connected to output terminals of the PWM control bridges 20*1 and 20*2, respectively, while the other terminals are connected to the reactors Ls*. The windings 31* and 32* are wound in such directions that magnetic fluxes generated in the core 33* are cancelled with each other.
    Type: Application
    Filed: November 14, 2018
    Publication date: July 29, 2021
    Applicant: : ROHM CO., LTD.
    Inventors: Hirotaka OTAKE, Tatsuya MIYAZAKI, Mamoru TSURUYA