Patents by Inventor Takuya Yoshida

Takuya Yoshida 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: 10415644
    Abstract: A rotary machine includes rotating shaft supported with respect to an end wall of a housing. The rotary machine includes a bearing that is attached to the rotating shaft and rotatably supports the rotating shaft to the housing, a cylindrical holding portion that is provided in the end wall of the housing and extends in an axial direction of the rotating shaft, and a cylindrical bearing sleeve that is fixed to the holding portion and surrounds the bearing. The bearing sleeve includes a surrounding portion that surrounds the bearing and a protruding portion that protrudes from the surrounding portion toward the end wall. The protruding portion and the holding portion overlap each other in a radial direction of the rotating shaft, and the bearing sleeve is fixed to the end wall by fitting the protruding portion into the holding portion.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: September 17, 2019
    Assignee: IHI Corporation
    Inventors: Kuniaki Iizuka, Takashi Yoshida, Tatsumi Inomata, Takuya Ozasa, Kouta Kimachi
  • Patent number: 10415640
    Abstract: A track member or a movable member constituting a motion guide device includes a rolling part formed of a metal material contacting with a plurality of rolling bodies and forming a rolling body rolling surface a, a mounting part formed of a metal material having a mounting hole for mounting an external member, and a track body or a movable body formed of FRP jointed with the rolling part and the mounting part and forming the track member or the movable member, and the mounting part and the track body or the movable body have joint holes, opened in a direction orthogonal to a lamination direction of FRP reinforced fiber sheets S forming the track body or the movable body at a time of the joint, and can be jointed using jointing means. An external member can be securely mounted to the motion guide device formed of FRP.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: September 17, 2019
    Assignee: THK CO., LTD.
    Inventors: Kazuto Homma, Akimasa Yoshida, Daisuke Yatsushiro, Takuya Iguchi
  • Publication number: 20190265626
    Abstract: An abnormality detection device is configured to detect abnormality in a subject to be driven by a motor via a drive transmission member. The abnormality detection device includes an output signal acquisition unit, a rotational frequency acquisition unit, and a determining unit. The output signal acquisition unit is configured to acquire a rotational frequency output signal output from the motor. The rotational frequency acquisition unit is configured to acquire a motor rotational frequency calculated from the rotational frequency output signal acquired by the output signal acquisition unit. The determining unit is configured to distinctively determine abnormality in the subject to be driven and abnormality in the motor based on the rotational frequency output signal acquired by the output signal acquisition unit and the motor rotational frequency acquired by the rotational frequency acquisition unit.
    Type: Application
    Filed: February 18, 2019
    Publication date: August 29, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Shogo NAKAMOTO, Kazuhiro KOBAYASHI, Keiichi YOSHIDA, Takuya MURATA
  • Patent number: 10391599
    Abstract: There is provided an electric power tool having a plurality of operation modes with different rotation speeds at least in a predetermined load range. The electric power tool is capable of switching between the operation modes when a predetermined condition is satisfied even during a motor is driven, and configured such that a rotation speed of the motor is changed smoothly or in a stepwise manner at the switching between the operation modes.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: August 27, 2019
    Assignee: KOKI HOLDINGS CO., LTD.
    Inventors: Kenichirou Yoshida, Akira Onose, Shinji Kuragano, Takuya Konnai
  • Patent number: 10394226
    Abstract: A control parameter optimizing system and an operation optimizing apparatus equipped therewith are provided, the system being applicable to an existing plant without modifying the control panel or equipment of the plant, the system further being capable of optimizing the operation control of the plant in accordance with diverse operational requirements. The system includes an objective function setting section, a plant model, and a control parameter optimizing section. The control parameter optimizing section includes an optimization control parameter selecting section and an optimization control parameter adjusting section. The optimization control parameter selecting section selects as an optimization control parameter the control parameter for optimizing an objective function based on control logic information extracted from a power plant.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: August 27, 2019
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Yasuhiro Yoshida, Takuya Yoshida, Takaaki Sekiai, Yuya Tokuda, Kazunori Yamanaka, Atsushi Yamashita, Norihiro Iyanaga
  • Publication number: 20190257234
    Abstract: An exhaust gas energy recovery device includes a power generation device driven by a turbine configured to rotate by an exhaust gas, a switching element connected to the power generation device, a first terminal connected to the power generation device via the switching element and for being connected to a first power storage device, and a second terminal connected to the power generation device and for being connected to a second power storage device, in which a terminal voltage of the first power storage device is lower than a terminal voltage of the second power storage device, and the switching element switches a destination to be charged by the power generation device to either the first power storage device or the second power storage device on the basis of magnitude of a direct current voltage output from the power generation device.
    Type: Application
    Filed: November 7, 2017
    Publication date: August 22, 2019
    Applicant: IHI Corporation
    Inventors: Yuji SASAKI, Takashi YOSHIDA, Tatsumi INOMATA, Kuniaki IIZUKA, Takuya OZASA, Ryosuke YUMOTO
  • Patent number: 10385736
    Abstract: There is provided a combined cycle power plant in which a high-pressure steam turbine and an intermediate-pressure steam turbine can operate in a state where amounts of thermal effect thereof are close to a limit value, and capable of reducing start-up time. A combined cycle power plant includes: an exhaust heat recovery boiler that includes a high-pressure superheater which superheats steam for a high-pressure steam turbine, and a reheater which reheats steam for an intermediate-pressure steam turbine; bypass pipes through which steam bypasses the high-pressure superheater and the reheater; bypass valves that regulate flow rates of steam which flows through the bypass pipes; and a bypass controller that controls the bypass valves such that a difference between thermal effect-amount margins of the turbines is decreased.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: August 20, 2019
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Tatsuro Yashiki, Yasuhiro Yoshida, Takuya Yoshida, Miyuki Kawata, Eunkyeong Kim, Kazunori Yamanaka, Norihiro Iyanaga, Fumiyuki Suzuki
  • Patent number: 10386826
    Abstract: To provide a start-up control device and a start-up control method for a power plant capable of changing the start-up completion estimated time to a desired time simply and safely while starting the power plant.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: August 20, 2019
    Assignee: Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Miyuki Kawata, Yasuhiro Yoshida, Takuya Yoshida, Tatsuro Yashiki, Eunkyeong Kim, Kazunori Yamanaka, Norihiro Iyanaga, Atsushi Yamashita
  • Patent number: 10370506
    Abstract: Provided are a carbon fiber thermoplastic resin prepreg which is a carbon fiber prepreg obtained by impregnating a PAN-based carbon fiber in which the average fiber fineness of a single fiber is 1.0 dtex to 2.4 dtex with a thermoplastic resin, wherein the thermoplastic resin satisfies 20?(FM/FS)?40 (where FM: flexural modulus (MPa) of a resin sheet comprising only the thermoplastic resin, and FS: flexural strength (MPa) of the resin sheet), a method for manufacturing the same, and a carbon fiber composite material employing the carbon fiber prepreg.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: August 6, 2019
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masao Tomioka, Takahiro Hayashi, Saki Fujita, Takeshi Ishikawa, Keigo Yoshida, Takuya Teranishi, Atsushi Takahashi, Kenichi Watanabe, Morio Katagiri, Akinobu Sasaki, Masahiro Oosuka, Hiroshi Tategaki, Takayuki Kobayashi
  • Patent number: 10370507
    Abstract: Provided are a carbon fiber thermoplastic resin prepreg which is a carbon fiber prepreg obtained by impregnating a PAN-based carbon fiber in which the average fiber fineness of a single fiber is 1.0 dtex to 2.4 dtex with a thermoplastic resin, wherein the thermoplastic resin satisfies 20?(FM/FS)?40 (where FM: flexural modulus (MPa) of a resin sheet comprising only the thermoplastic resin, and FS: flexural strength (MPa) of the resin sheet), a method for manufacturing the same, and a carbon fiber composite material employing the carbon fiber prepreg.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: August 6, 2019
    Assignee: Mistubishi Chemical Corporation
    Inventors: Masao Tomioka, Takahiro Hayashi, Saki Fujita, Takeshi Ishikawa, Keigo Yoshida, Takuya Teranishi, Atsushi Takahashi, Kenichi Watanabe, Morio Katagiri, Akinobu Sasaki, Masahiro Oosuka, Hiroshi Tategaki, Takayuki Kobayashi
  • Publication number: 20190225604
    Abstract: The present invention provides a compound having the basic structure shown by Formula (I) in which the indole ring and the pyrazolopyridine structure is bound through a substituent, a salt thereof or a solvate of either the compound or a salt of the compound, as well as a preventative agent or a therapeutic agent for non-insulin-dependent diabetes mellitus (Type 2 diabetes) or obesity containing such compound, salt or solvate as an active ingredient.
    Type: Application
    Filed: September 26, 2017
    Publication date: July 25, 2019
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hitoshi YOSHINO, Satoshi TSUCHIYA, Atsushi MATSUO, Tsutomu SATO, Masahiro NISHIMOTO, Kyoko OGURI, Hiroko OGAWA, Yoshikazu NISHIMURA, Yoshiyuki FURUTA, Hirotaka KASHIWAGI, Nobuyuki HORI, Takuma KAMON, Takuya SHIRAISHI, Shoshin YOSHIDA, Takahiro KAWAI, Satoshi TANIDA, Masahide AOKI
  • Publication number: 20190226486
    Abstract: An electric compressor includes: a rotary shaft to which a compressor impeller is attached; a stator portion which is disposed around the rotary shaft; and a motor housing which accommodates the stator portion. The motor housing includes an inner housing which includes a first cylindrical portion surrounding and holding the stator portion and an outer housing which includes a second cylindrical portion surrounding and holding the first cylindrical portion of the inner housing. Between an outer surface of the inner housing and an inner surface of the outer housing, a cooling jacket portion is formed in a part of a circumferential direction about the rotary shaft. The inner housing includes a first end wall portion which is formed to be continuous to the first cylindrical portion and extends inward in relation to an outer peripheral portion of the stator portion in a radial direction of the rotary shaft.
    Type: Application
    Filed: November 17, 2017
    Publication date: July 25, 2019
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Yuji SASAKI, Tatsumi INOMATA, Takuya OZASA, Ryosuke YUMOTO, Takashi MORI
  • Publication number: 20190211845
    Abstract: A centrifugal compressor includes a compressor impeller attached to a rotary shaft and a housing accommodating the rotary shaft and the compressor impeller. The housing includes a suction portion formed upstream of the compressor impeller and a high pressure part formed on a rear face side of the compressor impeller and having a pressure higher than a pressure in the suction portion during rotation of the compressor impeller. The housing has a discharge passage formed for connecting the high pressure part to a low pressure part including the suction portion and a gas flow path upstream of the suction portion.
    Type: Application
    Filed: November 16, 2017
    Publication date: July 11, 2019
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Yuji SASAKI, Tatsumi INOMATA, Takuya OZASA, Ryosuke YUMOTO, Takashi MORI
  • Publication number: 20190203801
    Abstract: A rotating inertia mass damper of a damper device comprises a planetary gear including a driven member that has external teeth and that serves as a sun gear; a plurality of pinion gears; first and second input plate members that are configured to support the plurality of pinion gears in a rotatable manner and that serve as a carrier; and a ring gear that is engaged with the plurality of pinion gears and that serves as a mass body. The ring gear has two gear main bodies that are arranged along an axial direction of the planetary gear and that are coupled with each other. Internal teeth of the two gear main bodies are shifted to each other in a circumferential direction of the gear main bodies.
    Type: Application
    Filed: August 25, 2017
    Publication date: July 4, 2019
    Applicants: AISIN AW INDUSTRIES CO., LTD, AISIN AW CO., LTD.
    Inventors: Takuya YOSHIKAWA, Aki OGAWA, Yoshihiro YOSHIDA, Akiyoshi KATO, Yoichi OI, Masaki WAJIMA
  • Patent number: 10340532
    Abstract: A separator for fuel cell includes a corrugated portion formed to have a corrugated cross section where a first groove that is concave to a first surface to form a flow path for a first fluid on the first surface and a second groove that is concave to a second surface opposite to the first surface to form a flow path for a second fluid on the second surface are arranged alternately and repeatedly. Each of the second grooves has at least one shallower groove section formed to have a less depth from the second surface than depth of a remaining groove section and provided to form a communication flow channel on the first surface side, which is arranged to communicate between two flow path spaces for the first fluid that are adjacent to each other across the shallower groove section.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: July 2, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Okabe, Hiroya Nakaji, Makoto Yoshida, Shigetaka Hamada, Takuya Kurihara, Kenji Sato, Hideaki Tanaka, Nobuhiko Nakagaki, Junji Ueda, Katsuhiko Kinoshita
  • Publication number: 20190195240
    Abstract: Provided is an electric compressor which includes a motor which rotates a rotary shaft of a impeller; a housing which accommodates the motor; a plate attached to the housing mounted with a control circuit configured to drive and control the motor; and a refrigerant flow passage provided between the housing and the plate. At least a part of the refrigerant flow passage is formed by a heat radiation fin provided on at least one of the housing and the plate.
    Type: Application
    Filed: August 2, 2017
    Publication date: June 27, 2019
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Yuji SASAKI, Tatsumi INOMATA, Takuya OZASA, Ryosuke YUMOTO, Takashi MORI
  • Publication number: 20190195212
    Abstract: An electric compressor includes a casing which accommodates an inverter and includes a bottom plate on which a power board of the inverter is mounted and a cooling water passage which is provided in a housing and opens to a bottom plate of the casing. The bottom plate of the casing includes a first surface on which a power board is mounted and a second surface opposite to the first surface. A metal plate is buried at a position corresponding to the power board in the bottom plate and a rear surface of the metal plate is exposed to the second surface side and faces the cooling water passage.
    Type: Application
    Filed: November 10, 2017
    Publication date: June 27, 2019
    Applicant: IHI Corporation
    Inventors: Yuji SASAKI, Takashi YOSHIDA, Tatsumi INOMATA, Kuniaki IIZUKA, Takuya OZASA, Ryosuke YUMOTO
  • Publication number: 20190195313
    Abstract: A drive member of a damper device includes a first input plate member and a second input plate member that rotatably support a plurality of pinion gears of a planetary gear of a rotary inertia mass damper. A driven member includes an outer teeth gear portion that meshes with the pinion gear in an outer circumferential portion thereof and is disposed between the first and the second input plate members in an axial direction so as to work as a sun gear of the planetary gear. A stopper is configured to restrict the relative rotation between the drive member and the driven member and includes a contact portion arranged in the outer circumferential portion of the driven member so as to contact with the first input plate member.
    Type: Application
    Filed: January 30, 2017
    Publication date: June 27, 2019
    Applicants: AISIN AW INDUSTRIES CO., LTD, AISIN AW CO., LTD.
    Inventors: Takuya YOSHIKAWA, Aki OGAWA, Yoshihiro YOSHIDA, Akiyoshi KATO, Ryosuke OTSUKA, Kazuyoshi ITO, Masaki WAJIMA
  • Publication number: 20190189344
    Abstract: A multilayer capacitor includes an element assembly, a first external electrode, a second external electrode, and a plurality of internal electrodes which are disposed at the inside of the element assembly. The plurality of internal electrodes include a first internal electrode that is electrically connected to the first external electrode, a second internal electrode that is electrically connected to the second external electrode, and a plurality of third internal electrodes. The plurality of third internal electrodes are electrically connected to each other by a first connection conductor and a second connection conductor, a first capacitance portion is constituted by the first internal electrode and the third internal electrodes, a second capacitance portion is constituted by the second internal electrode and the third internal electrodes, and the first capacitance portion and the second capacitance portion are electrically connected in series.
    Type: Application
    Filed: January 23, 2019
    Publication date: June 20, 2019
    Applicant: TDK CORPORATION
    Inventors: Takeru YOSHIDA, Takuya IMAEDA, Shogo MUROSAWA, Hideki KAMO, Naoto IMAIZUMI, Keiichi TAKIZAWA
  • Publication number: 20190191198
    Abstract: A communication management apparatus includes a receiver to receive image type information indicating a type of an image from a first communication terminal; circuitry to generate image data identification information for identifying image data to be transmitted from the first communication terminal to a second communication terminal, based on reception of the image type information; and a transmitter to transmit the image data identification information that is generated to the first communication terminal, and transmit the image data identification information that is generated and the image type information that is received to the second communication terminal.
    Type: Application
    Filed: February 25, 2019
    Publication date: June 20, 2019
    Inventors: Kenichiro MORITA, Kumiko Yoshida, Yoichiro Matsuno, Takuya Imai, Shoh Nagamine, Junpei Mikami