Patents by Inventor Yusuke Wada

Yusuke Wada 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: 11069779
    Abstract: A silicon carbide semiconductor device includes a first semiconductor layer of silicon carbide, a device structure provided on top of the first semiconductor layer, a second semiconductor layer of silicon carbide having a higher impurity concentration than the first semiconductor layer, provided under the first semiconductor layer, the second semiconductor layer implementing an ohmic-contact, and a metallic electrode film provided under the second semiconductor layer. A thickness of a carbon-containing region in which carbon-atoms are precipitated between the second semiconductor layer and the metallic electrode film is 10 nm or less.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: July 20, 2021
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Kenichi Iguchi, Haruo Nakazawa, Yusuke Wada
  • Patent number: 11043685
    Abstract: A method for producing a resin frame equipped membrane electrode assembly includes: a first conveyance step of supporting a sheet-shaped member having a cathode and an electrolyte membrane by a resin frame member to which the sheet-shaped member is joined and linearly conveying the supported sheet-shaped member to a pressure bonding device; a second conveyance step of conveying an anode to the pressure bonding device by way of a rotary table; and a pressure bonding step of heating and pressing the cathode and the anode from above and below by the pressure bonding device to thereby integrate the cathode and the anode together.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: June 22, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kohei Yoshida, Kensuke Namba, Yosuke Konno, Masami Kurimoto, Yusuke Wada
  • Patent number: 10913860
    Abstract: Provided is a coated metal sheet for automobile comprising: a metal sheet; and a coating film (?) present on at least one surface of the metal sheet. The coating film (?) contains an organic resin (A), an electrically conductive pigments (B), and anti-corrosion pigments (C), and a Martens micro-hardness HM at ?20° C. of the surface of the coating film (?) is 10 to 200 (mg/mm2) at 20 points or more when measured at 100 points, and a Martens micro-hardness HM at 40° C. of the surface of the coating film (?) is 200 to 200,000 (mg/mm2) at 5 points or more when measured at 100 points.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: February 9, 2021
    Assignees: NIPPON STEEL CORPORATION, NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.
    Inventors: Kensei Yuasa, Yoichiro Mori, Yusuke Wada, Mitsutaka Nambo
  • Publication number: 20200014017
    Abstract: A method of manufacturing an electrode sheet by using an electrode sheet manufacturing apparatus for manufacturing the electrode sheet includes a feeding step of feeding out a sheet body from a roll on which the sheet body is wound, the sheet body including an active layer containing a catalyst laminated on a support layer, and a cutting step of forming the electrode sheet by punching the sheet body by pressing a cutting blade from a side of the support layer against the sheet body that was fed out in the feeding step.
    Type: Application
    Filed: July 2, 2019
    Publication date: January 9, 2020
    Inventors: Keisuke Katayama, Takuto Hayakawa, Yusuke Wada, Masami Kurimoto
  • Publication number: 20190371893
    Abstract: A silicon carbide semiconductor device includes a first semiconductor layer of silicon carbide, a device structure provided on top of the first semiconductor layer, a second semiconductor layer of silicon carbide having a higher impurity concentration than the first semiconductor layer, provided under the first semiconductor layer, the second semiconductor layer implementing an ohmic-contact, and a metallic electrode film provided under the second semiconductor layer. A thickness of a carbon-containing region in which carbon-atoms are precipitated between the second semiconductor layer and the metallic electrode film is 10 nm or less.
    Type: Application
    Filed: March 22, 2019
    Publication date: December 5, 2019
    Applicant: FUJI ELECTRIC CO., LTD.
    Inventors: Kenichi IGUCHI, Haruo NAKAZAWA, Yusuke WADA
  • Patent number: 10163202
    Abstract: The present invention provides an automatic blood-sampling tube preparation device which can detect the presence of the proper or improper blood-sampling tube by selectively taking out a blood-sampling tube and transferring the blood-sampling tube to a label pasting position, printing information of the patient on a label, pasting the printed label on the blood-sampling tube positioned in the label pasting position, and collecting the label pasted blood-sampling tubes in the container for each patient. The device also includes photographing means for photographing an appearance of the blood-sampling tube taken out from the blood-sampling tube containing section and a control means arranged to have a threshold with respect to at least one characteristic information previously extracted from an appearance of a blood-sampling tube, to extract the characteristic information from the appearance image photographed to judge whether the blood-sampling tube corresponds to the instruction information from the doctor.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: December 25, 2018
    Assignee: TECHNO MEDICA CO., LTD.
    Inventors: Toshikazu Matsumoto, Yoshimi Hirasawa, Yasushi Nakano, Yusuke Wada, Ichiro Nakamura
  • Publication number: 20180316034
    Abstract: A method for producing a resin frame equipped membrane electrode assembly includes: a first conveyance step of supporting a sheet-shaped member having a cathode and an electrolyte membrane by a resin frame member to which the sheet-shaped member is joined and linearly conveying the supported sheet-shaped member to a pressure bonding device; a second conveyance step of conveying an anode to the pressure bonding device by way of a rotary table; and a pressure bonding step of heating and pressing the cathode and the anode from above and below by the pressure bonding device to thereby integrate the cathode and the anode together.
    Type: Application
    Filed: April 24, 2018
    Publication date: November 1, 2018
    Inventors: Kohei Yoshida, Kensuke Namba, Yosuke Konno, Masami Kurimoto, Yusuke Wada
  • Patent number: 10077989
    Abstract: A navigation device navigating a moving body based on position information includes a coordinated operation unit that initiates and ends a coordinated operation among a plurality of navigation devices; a guiding unit that performs navigation in at least one of the navigation devices performing the coordinated operation, while providing a screen display based on a designated position; and a second operating unit that performs a second operation in a navigation device other than a currently navigating navigation device performing the coordinated operation, the second operation including receiving an operation for a function that is not displayed on the screen of the currently navigating navigation device, and reflecting a position acquired as a result of the operation, to the other navigation devices performing the coordinated operation.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: September 18, 2018
    Assignee: YAHOO JAPAN CORPORATION
    Inventors: Yusuke Wada, Katsufumi Asai, Ikuo Akutagawa
  • Patent number: 10072338
    Abstract: The present invention provides a surface conditioning composition having a surface conditioning function that is even more superior as compared with conventional surface conditioning compositions. A surface conditioning composition is provided for use in surface conditioning of a metal prior to being subjected to a phosphate-based chemical conversion treatment, in which the surface conditioning composition has a pH of 3 to 12, and includes nearly spherical zinc phosphate particles having an average particle diameter from 0.05 ?m to 3 ?m, and in which the zinc phosphate particles are produced by mixing at least one kind of zinc compound particles selected from the group consisting of zinc oxide, zinc hydroxide, and basic zinc carbonate with phosphoric acid and/or condensed phosphoric acid to allow for their reaction in an acidic aqueous solution having a pH lower than 7, and dispersing and stabilizing by a dispersion means.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: September 11, 2018
    Assignee: Chemetall GmbH
    Inventors: Toshio Inbe, Yusuke Wada, Masanobu Futsuhara
  • Publication number: 20180170702
    Abstract: A sheet material conveying device unwinds from a roll body a sheet-shaped member constituting a membrane electrode assembly and conveys the sheet-shaped member. The sheet material conveying device is equipped with a suction member that moves the sheet-shaped member, and a negative pressure supply unit that supplies a negative pressure to the suction member. The suction member is constituted by a porous body capable of sucking under the negative pressure one surface of the sheet material having been unwound from the roll body and is movable in a conveying direction.
    Type: Application
    Filed: December 14, 2017
    Publication date: June 21, 2018
    Inventors: Yusuke Wada, Kensuke Namba
  • Publication number: 20170298231
    Abstract: Provided is a coated metal sheet for automobile comprising: a metal sheet; and a coating film (?) present on at least one surface of the metal sheet. The coating film (?) contains an organic resin (A), an electrically conductive pigments (B), and anti-corrosion pigments (C), and a Martens micro-hardness HM at ?20° C. of the surface of the coating film (?) is 10 to 200 (mg/mm2) at 20 points or more when measured at 100 points, and a Martens micro-hardness HM at 40° C. of the surface of the coating film (?) is 200 to 200,000 (mg/mm2) at 5 points or more when measured at 100 points.
    Type: Application
    Filed: September 30, 2015
    Publication date: October 19, 2017
    Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION, NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.
    Inventors: Kensei YUASA, Yoichiro MORI, Yusuke WADA, Mitsutaka NAMBO
  • Patent number: 9768794
    Abstract: An analog-to-digital converter includes a switched capacitor circuit, an analog-to-digital conversion circuit, and a constant current circuit. The switched capacitor circuit includes first and second input terminals for a differential input, and is configured to sample an analog voltage of the differential input. The analog-to-digital conversion circuit is connected to output terminals of the switched capacitor circuit, and configured to convert the sampled analog voltage into a digital signal and output the digital signal. The constant current circuit is connected to at least one of the first and second input terminals.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: September 19, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Yusuke Wada
  • Publication number: 20170264309
    Abstract: An analog-to-digital converter includes a switched capacitor circuit, an analog-to-digital conversion circuit, and a constant current circuit. The switched capacitor circuit includes first and second input terminals for a differential input, and is configured to sample an analog voltage of the differential input. The analog-to-digital conversion circuit is connected to output terminals of the switched capacitor circuit, and configured to convert the sampled analog voltage into a digital signal and output the digital signal. The constant current circuit is connected to at least one of the first and second input terminals.
    Type: Application
    Filed: August 29, 2016
    Publication date: September 14, 2017
    Inventor: Yusuke WADA
  • Patent number: 9733157
    Abstract: The present invention provides an automatic blood-sampling tube preparation system which can reduce the reading mistake of the information of the RFID tags by selectively taking out a blood-sampling tube required to an examination of a patient according to a doctor's instruction information from the blood-sampling tube containing section, writing the patient examination information on a RFID tag of the taken out tube on the basis of the instruction information, reading simultaneously all patient examination information from all RFID tags contained in the prepared container for every patient, and comparing the information read from the RFID tags with the instruction information to ensure accuracy.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: August 15, 2017
    Assignee: TECHNO MEDICA CO., LTD.
    Inventors: Toshikazu Matsumoto, Yoshimi Hirasawa, Yasushi Nakano, Yusuke Wada, Ichiro Nakamura
  • Publication number: 20160273930
    Abstract: A navigation device navigating a moving body based on position information includes a coordinated operation unit that initiates and ends a coordinated operation among a plurality of navigation devices; a guiding unit that performs navigation in at least one of the navigation devices performing the coordinated operation, while providing a screen display based on a designated position; and a second operating unit that performs a second operation in a navigation device other than a currently navigating navigation device performing the coordinated operation, the second operation including receiving an operation for a function that is not displayed on the screen of the currently navigating navigation device, and reflecting a position acquired as a result of the operation, to the other navigation devices performing the coordinated operation.
    Type: Application
    Filed: January 8, 2016
    Publication date: September 22, 2016
    Applicant: YAHOO JAPAN CORPORATION
    Inventors: YUSUKE WADA, KATSUFUMI ASAI, IKUO AKUTAGAWA
  • Patent number: 9096935
    Abstract: A surface conditioning composition for use in surface conditioning of a metal prior to being subjected to a phosphate-based chemical conversion treatment, in which the surface conditioning composition has a pH of 3 to 12, and includes at least one kind of zinc compound particles selected from the group consisting of zinc oxide particles, zinc hydroxide particles, and basic zinc carbonate particles; phosphoric acid and/or condensed phosphoric acid; and an amine compound having a specific structure and in which the zinc compound particles are dispersed and stabilized by the phosphoric acid and/or condensed phosphoric acid, and the amine compound.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: August 4, 2015
    Assignee: Chemetall GmbH
    Inventors: Toshio Inbe, Yusuke Wada, Masanobu Futsuhara
  • Publication number: 20140133941
    Abstract: The present invention provides an automatic blood-sampling tube preparation system which can reduce the reading mistake of the information of the RFID tags by selectively taking out a blood-sampling tube required to an examination of a patient according to a doctor's instruction information from the blood-sampling tube containing section, writing the patient examination information on a RFID tag of the taken out tube on the basis of the instruction information, reading simultaneously all patient examination information from all RFID tags contained in the prepared container for every patient, and comparing the information read from the RFID tags with the instruction information to ensure accuracy.
    Type: Application
    Filed: May 18, 2011
    Publication date: May 15, 2014
    Applicant: TECHNO MEDICA CO., LTD.
    Inventors: Toshikazu Matsumoto, Yoshimi Hirasawa, Yasushi Nakano, Yusuke Wada, Ichiro Nakamura
  • Publication number: 20140125797
    Abstract: The present invention provides an automatic blood-sampling tube preparation device which can detect the presence of the proper or improper blood-sampling tube by selectively taking out a blood-sampling tube and transferring the blood-sampling tube to a label pasting position, printing information of the patient on a label, pasting the printed label on the blood-sampling tube positioned in the label pasting position, and collecting the label pasted blood-sampling tubes in the container for each patient. The device also includes photographing means for photographing an appearance of the blood-sampling tube taken out from the blood-sampling tube containing section and a control means arranged to have a threshold with respect to at least one characteristic information previously extracted from an appearance of a blood-sampling tube, to extract the characteristic information from the appearance image photographed to judge whether the blood-sampling tube corresponds to the instruction information from the doctor.
    Type: Application
    Filed: May 18, 2011
    Publication date: May 8, 2014
    Applicant: TECHNO MEDICA CO., LTD.
    Inventors: Toshikazu Matsumoto, Yoshimi Hirasawa, Yasushi Nakano, Yusuke Wada, Ichiro Nakamura
  • Publication number: 20120261040
    Abstract: There is provided a gas-generating agent composition having a very small pressure exponent and an extremely low pressure dependence of the burning rate. The gas-generating agent composition of the present invention contains a nitrogen-containing organic compound as a fuel and ammonium nitrate as an oxidizing agent, wherein the ratio of the nitrogen-containing organic compound to the ammonium nitrate (the former/the latter: weight ratio) is 35/65 or less. In the gas-generating agent composition, a copper compound may be further blended in a proportion of more than 0 part by weight and 30 parts by weight or less based on 100 parts by weight of the total amount of the nitrogen-containing organic compound and ammonium nitrate. The copper compound is preferably basic copper nitrate. Further, the nitrogen-containing organic compound is preferably a guanidine derivative, particularly preferably a guanidine nitrate.
    Type: Application
    Filed: November 19, 2010
    Publication date: October 18, 2012
    Applicants: DAICEL CORPORATION, THE UNIVERSITY OF TOKYO
    Inventors: Mitsuru Arai, Yusuke Wada, Shogo Tomiyama, Yasunori Iwai, Shingo Oda
  • Patent number: D719659
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: December 16, 2014
    Assignee: ARKRAY, Inc.
    Inventors: Yusuke Wada, Kazuyoshi Kamekawa