Patents by Inventor Takuya Yamamoto

Takuya Yamamoto 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: 20200147160
    Abstract: The problem to be solved is to suppress an elevation of blood glucose level by suppressing decomposition and absorption of a carbohydrate in the body; and further prevent or improve diabetes and obesity derived from hyperglycemic symptoms and chronic hyperglycemia, for a long time. To attain the object, an agent for suppressing ?-glucosidase activity and an agent for suppressing glucose absorption containing an amber extract as an active ingredient were invented.
    Type: Application
    Filed: May 17, 2018
    Publication date: May 14, 2020
    Inventors: Saya OBARA, Reiko TAKEDA, Takuya YAMAMOTO, Norio IGARASHI
  • Publication number: 20200080703
    Abstract: A vehicular lamp fitting comprising a film light source that includes a transparent film having flexibility, and a plurality of semiconductor light-emitting elements which are fixed in a state of being two-dimensionally disposed on at least a front surface of the transparent film; and a reflection surface that is disposed in a state of facing a rear surface of the transparent film of the film light source, and that reflects light which is emitted from a part or all of the plurality of semiconductor light-emitting elements and transmitted through the transparent film.
    Type: Application
    Filed: September 4, 2019
    Publication date: March 12, 2020
    Inventors: Hiroyuki Chikama, Norifumi Imazeki, Haruna Minami, Marino Mine, Akihiko Hanya, Kosaburo Ito, Takuya Yamamoto
  • Publication number: 20200063941
    Abstract: Provided is a vehicular lamp which has a novel lighting appearance and satisfies a light distribution standard required by certain laws as well as being capable of realizing lighting patterns of various luminances and various light-emitting shapes, e.g., various lighting graphics. The vehicular lamp is provided with a film light source including a film having flexibility and a plurality of semiconductor light-emitting elements fixed in a state of being two-dimensionally disposed on at least a surface of the film.
    Type: Application
    Filed: August 22, 2019
    Publication date: February 27, 2020
    Inventors: Takuya Yamamoto, Marino Mine, Haruna Minami, Akihiko Hanya, Kosaburo Ito, Norifumi Imazeki, Hiroyuki Chikama
  • Patent number: 10542434
    Abstract: A wireless communication apparatus (1) includes an information acquisition unit (10) for acquiring information about a wireless terminal when the wireless terminal is wirelessly connected to the wireless communication apparatus, a storage unit (11) for storing the information about an authorized terminal acquired by the information acquisition unit (10) in association with an individual identifier of the authorized wireless terminal, and an evaluation unit (12) for evaluating as to whether or not the wireless terminal wirelessly connected to the wireless communication apparatus is an authorized wireless terminal. The information includes at least fixed information other than the individual identifier. The evaluation unit (12) makes the evaluation based on a degree of matching between the information about the wireless terminal to be evaluated acquired by the information acquisition unit (10) and the information stored in the storage unit (11).
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: January 21, 2020
    Assignee: NEC PLATFORMS, LTD.
    Inventor: Takuya Yamamoto
  • Publication number: 20190313265
    Abstract: In order to enable reducing a possibility of being unable to connect to an AP in which a failure of a network connection occurs and also lessening a decline in a communication rate, a wireless communication method includes: detecting occurrence of a failure of a network connection in a first wireless communication device, when detecting the occurrence of the failure, determining whether or not to make a first wireless connection to the first wireless communication device, when making the determination to make the first wireless connection, making the first wireless connection to the first wireless communication device, and relaying a first communication between the first wireless communication device and a network.
    Type: Application
    Filed: November 17, 2017
    Publication date: October 10, 2019
    Applicant: NEC Platforms, Ltd.
    Inventor: Takuya YAMAMOTO
  • Patent number: 10365575
    Abstract: A charging member includes a cylindrical, hollow or solid, electroconductive base member, and an elastic layer device disposed on the electroconductive base member. When a surface profile of the charging member is subjected to a periodicity analysis in a circumferential direction, the surface profile has a maximum amplitude, in a period region of smaller than 5 mm, within a range of higher than or equal to 0.20 ?m and smaller than or equal to 0.90 ?m.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: July 30, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yasuhiko Kinuta, Takuya Yamamoto, Yuki Tagawa
  • Publication number: 20190142865
    Abstract: A modified metal nanoparticle comprising a metal nanoparticle and a cyclic polyether modifying the metal nanoparticle.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 16, 2019
    Applicant: National University Corporation Hokkaido University
    Inventors: Takuya YAMAMOTO, Enrico Quinsaat JOSE
  • Publication number: 20190070973
    Abstract: A power supply system includes: a first power storage device; a second power storage device having a lower voltage than the first power storage device; a DC-DC converter including a choke coil, a first switching element, a diode connected in parallel with the first switching element, and a second switching element; a semiconductor relay configured to switch a connection state between a second end of the choke coil and the second power storage device; and a controller configured to perform PWM control of the first switching element and the second switching element to control ON and OFF of the semiconductor relay. When an ON time of the second switching element is controlled to become zero and a current flowing out from the second power storage device exceeds a first reference current, the controller reduces a duty ratio of an ON time of the first switching element.
    Type: Application
    Filed: August 23, 2018
    Publication date: March 7, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomohiro USAMI, Takuya YAMAMOTO
  • Patent number: 10177560
    Abstract: A battery monitoring device is configured to include a monitoring unit that monitors a state of a battery, an interrupter that interrupts a power supply to a load, and another interrupter that interrupts a power supply to the interrupter, wherein the monitoring unit controls an operation of the interrupter such that a power supply to the load is interrupted, and controls an operation of the other interrupter such that a power supply to the interrupter is interrupted.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: January 8, 2019
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Satoshi Yamamoto, Hiroaki Kato, Kimihiro Sato, Takuya Yamamoto, Ryusuke Hase, Takahiro Tsuzuku
  • Publication number: 20180359634
    Abstract: A wireless communication system according to the present invention includes: a wireless master machine configured to control communication between a first network and a second network; a first wireless slave machine including third authentication information used for connection to a third network; and a second wireless slave machine including external information acquisition means for associating with the first network and acquiring the third authentication information. The second wireless slave machine transmits the third authentication information acquired by the external information acquisition unit to the wireless master machine. The wireless master machine sets the received third authentication information to the second authentication information. The first wireless slave machine acquires the first network authentication information from the first wireless slave machine after associating with the second network using the third authentication information.
    Type: Application
    Filed: July 14, 2015
    Publication date: December 13, 2018
    Applicant: NEC Platforms, Ltd.
    Inventor: Takuya YAMAMOTO
  • Publication number: 20180242157
    Abstract: A wireless communication apparatus (1) includes an information acquisition unit (10) for acquiring information about a wireless terminal when the wireless terminal is wirelessly connected to the wireless communication apparatus, a storage unit (11) for storing the information about an authorized terminal acquired by the information acquisition unit (10) in association with an individual identifier of the authorized wireless terminal, and an evaluation unit (12) for evaluating as to whether or not the wireless terminal wirelessly connected to the wireless communication apparatus is an authorized wireless terminal. The information includes at least fixed information other than the individual identifier. The evaluation unit (12) makes the evaluation based on a degree of matching between the information about the wireless terminal to be evaluated acquired by the information acquisition unit (10) and the information stored in the storage unit (11).
    Type: Application
    Filed: March 31, 2016
    Publication date: August 23, 2018
    Applicant: NEC Platforms, Ltd.
    Inventor: Takuya YAMAMOTO
  • Publication number: 20180231907
    Abstract: A charging member includes a cylindrical, hollow or solid, electroconductive base member, and an elastic layer device disposed on the electroconductive base member. When a surface profile of the charging member is subjected to a periodicity analysis in a circumferential direction, the surface profile has a maximum amplitude, in a period region of smaller than 5 mm, within a range of higher than or equal to 0.20 ?m and smaller than or equal to 0.90 ?m.
    Type: Application
    Filed: September 28, 2017
    Publication date: August 16, 2018
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasuhiko KINUTA, Takuya YAMAMOTO, Yuki TAGAWA
  • Patent number: 10001527
    Abstract: Each of a plurality of monitoring units (10) that monitor the states of batteries allocates, as identifying information for itself, identifying information corresponding to an input signal inputted from a preceding control unit (3) or monitoring unit (10); outputs, to a subsequent monitoring unit (10), a signal that differs from the input signal corresponding to the identifying information the monitoring unit (10) in question has allocated to itself; and, if and when identifying information corresponding to an input signal differs from the identifying information the monitoring unit (10) in question had allocated to itself, reallocates identifying information corresponding to said input signal as identifying information for itself.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: June 19, 2018
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Ryusuke Hase, Takahiro Tsuzuku, Satoshi Yamamoto, Hiroaki Kato, Takuya Yamamoto
  • Patent number: 9908497
    Abstract: This invention relates to a cab support structure for construction machine. The cab support structure has a rear beam and a front beam, which support front and rear part of cab, and a center beam located and welded between inner and outer frames of the machine. A stopper located at the corner of center beam side of the junction of rear beam and outer frame is formed box shape. The stopper has an L-shaped plate welded to the rear beam and the outer frame, and a doubling L-shaped plate welded to the L-shaped plate, rear beam, and outer frame.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: March 6, 2018
    Assignee: Caterpillar SARL
    Inventors: Takahiro Iwamoto, Takuya Yamamoto, Ryo Iguchi, Akito Nakai, Takeshi Tsuneyoshi, Takeshi Nakamura
  • Patent number: 9859802
    Abstract: A method of controlling switching primary and secondary full-bridge circuits, includes, when a fault is detected in a first voltage detection unit that detects the voltage of a first port, deriving a command duty cycle to adjust the voltage of a second port to a target voltage, by receiving feedback of a detected voltage of the second port by a second voltage detection unit; deriving an estimated phase difference corresponding to target power of transmission power transmitted from the secondary full-bridge circuit to the primary full-bridge circuit, and the command duty cycle, from a correspondence relation among a phase difference between switching of the primary and secondary full-bridge circuits, a duty cycle of the switching of the primary full-bridge circuit, and the transmission power; and controlling the phase difference to the estimated phase difference, and controlling the duty cycle to the command duty cycle.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: January 2, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takuya Yamamoto
  • Patent number: 9688153
    Abstract: An electric vehicle includes: an engine which is disposed on a front side in the vehicle, and which is configured to drive rear wheels of the vehicle, the engine which includes a crank shaft that is extended in a front/back direction of the vehicle; and a drive motor which is arranged in line with the engine in a width direction of the vehicle, and which is disposed on an air intake side of the engine, the drive motor which is configured to drive front wheels of the vehicle.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: June 27, 2017
    Assignees: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA, MITSUBISHI JIDOSHA ENGINEERING KABUSHIKI KAISHA
    Inventors: Takuya Yamamoto, Hidetoshi Ono, Eiji Akita, Naoki Kida, Tomoaki Yokoyama
  • Publication number: 20170125999
    Abstract: A battery monitoring device is configured to include a monitoring unit that monitors a state of a battery, an interrupter that interrupts a power supply to a load, and another interrupter that interrupts a power supply to the interrupter, wherein the monitoring unit controls an operation of the interrupter such that a power supply to the load is interrupted, and controls an operation of the other interrupter such that a power supply to the interrupter is interrupted.
    Type: Application
    Filed: April 2, 2015
    Publication date: May 4, 2017
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Satoshi YAMAMOTO, Hiroaki KATO, Kimihiro SATO, Takuya YAMAMOTO, Ryusuke HASE, Takahiro TSUZUKU
  • Patent number: 9515564
    Abstract: A power conversion apparatus includes a primary side circuit having a primary side port; a secondary side circuit having a secondary side port; and a control unit that derives a control constant suitable for a feedback value according to a relationship rule between the feedback value and the control constant, and adjusts a phase difference between the primary side circuit and the secondary side circuit using the control constant that is derived from the relationship rule, so as to control transmitted power that is transmitted between the primary side circuit and the secondary side circuit, wherein the feedback value is obtained based on current flowing to the primary side port or the secondary side port.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: December 6, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takuya Yamamoto
  • Publication number: 20160334701
    Abstract: Provided is a photocurable composition that is used for nanoimprinting and can give, on a wafer, a uniform thin film that maintains a uniform thickness without causing uneven resin distribution even after being left stand for a certain time and still enables transfer of, and formation of, a fine pattern with good precision from a mold onto the thin film. The photocurable composition for nanoimprinting includes components (A), (B), (C), and (D) and includes the component (C) in a content of 1 to 30 weight percent based on the total amount (100 weight percent) of the photocurable composition. The component (A) is a cationically curable compound represented by Formula (1). The component (B) is a cationic photoinitiator. The component (C) is a hydroxy-containing solvent having a boiling point of 100° C. to 210° C. (at 760 mmHg). The component (D) is a solvent that is devoid of hydroxy, has a boiling point of 140° C. to 210° C. (at 760 mmHg), and has monomer solubility in terms of solubility parameter of 8.
    Type: Application
    Filed: January 6, 2015
    Publication date: November 17, 2016
    Applicant: DAICEL CORPORATION
    Inventors: Takeshi FUJIKAWA, Takuya YAMAMOTO
  • Publication number: 20160336866
    Abstract: A method of controlling switching primary and secondary full-bridge circuits, includes, when a fault is detected in a first voltage detection unit that detects the voltage of a first port, deriving a command duty cycle to adjust the voltage of a second port to a target voltage, by receiving feedback of a detected voltage of the second port by a second voltage detection unit; deriving an estimated phase difference corresponding to target power of transmission power transmitted from the secondary full-bridge circuit to the primary full-bridge circuit, and the command duty cycle, from a correspondence relation among a phase difference between switching of the primary and secondary full-bridge circuits, a duty cycle of the switching of the primary full-bridge circuit, and the transmission power; and controlling the phase difference to the estimated phase difference, and controlling the duty cycle to the command duty cycle.
    Type: Application
    Filed: May 6, 2016
    Publication date: November 17, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takuya YAMAMOTO