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).
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Patent number: 11069779Abstract: 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: GrantFiled: March 22, 2019Date of Patent: July 20, 2021Assignee: FUJI ELECTRIC CO., LTD.Inventors: Kenichi Iguchi, Haruo Nakazawa, Yusuke Wada
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Patent number: 11043685Abstract: 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: GrantFiled: April 24, 2018Date of Patent: June 22, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Kohei Yoshida, Kensuke Namba, Yosuke Konno, Masami Kurimoto, Yusuke Wada
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Patent number: 10913860Abstract: 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: GrantFiled: September 30, 2015Date of Patent: February 9, 2021Assignees: NIPPON STEEL CORPORATION, NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.Inventors: Kensei Yuasa, Yoichiro Mori, Yusuke Wada, Mitsutaka Nambo
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Publication number: 20200014017Abstract: 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: ApplicationFiled: July 2, 2019Publication date: January 9, 2020Inventors: Keisuke Katayama, Takuto Hayakawa, Yusuke Wada, Masami Kurimoto
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Publication number: 20190371893Abstract: 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: ApplicationFiled: March 22, 2019Publication date: December 5, 2019Applicant: FUJI ELECTRIC CO., LTD.Inventors: Kenichi IGUCHI, Haruo NAKAZAWA, Yusuke WADA
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Patent number: 10163202Abstract: 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: GrantFiled: May 18, 2011Date of Patent: December 25, 2018Assignee: TECHNO MEDICA CO., LTD.Inventors: Toshikazu Matsumoto, Yoshimi Hirasawa, Yasushi Nakano, Yusuke Wada, Ichiro Nakamura
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Publication number: 20180316034Abstract: 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: ApplicationFiled: April 24, 2018Publication date: November 1, 2018Inventors: Kohei Yoshida, Kensuke Namba, Yosuke Konno, Masami Kurimoto, Yusuke Wada
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Patent number: 10077989Abstract: 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: GrantFiled: January 8, 2016Date of Patent: September 18, 2018Assignee: YAHOO JAPAN CORPORATIONInventors: Yusuke Wada, Katsufumi Asai, Ikuo Akutagawa
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Patent number: 10072338Abstract: 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: GrantFiled: March 7, 2012Date of Patent: September 11, 2018Assignee: Chemetall GmbHInventors: Toshio Inbe, Yusuke Wada, Masanobu Futsuhara
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Publication number: 20180170702Abstract: 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: ApplicationFiled: December 14, 2017Publication date: June 21, 2018Inventors: Yusuke Wada, Kensuke Namba
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Publication number: 20170298231Abstract: 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: ApplicationFiled: September 30, 2015Publication date: October 19, 2017Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION, NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.Inventors: Kensei YUASA, Yoichiro MORI, Yusuke WADA, Mitsutaka NAMBO
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Patent number: 9768794Abstract: 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: GrantFiled: August 29, 2016Date of Patent: September 19, 2017Assignee: Kabushiki Kaisha ToshibaInventor: Yusuke Wada
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Publication number: 20170264309Abstract: 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: ApplicationFiled: August 29, 2016Publication date: September 14, 2017Inventor: Yusuke WADA
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Patent number: 9733157Abstract: 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: GrantFiled: May 18, 2011Date of Patent: August 15, 2017Assignee: TECHNO MEDICA CO., LTD.Inventors: Toshikazu Matsumoto, Yoshimi Hirasawa, Yasushi Nakano, Yusuke Wada, Ichiro Nakamura
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Publication number: 20160273930Abstract: 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: ApplicationFiled: January 8, 2016Publication date: September 22, 2016Applicant: YAHOO JAPAN CORPORATIONInventors: YUSUKE WADA, KATSUFUMI ASAI, IKUO AKUTAGAWA
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Patent number: 9096935Abstract: 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: GrantFiled: March 7, 2012Date of Patent: August 4, 2015Assignee: Chemetall GmbHInventors: Toshio Inbe, Yusuke Wada, Masanobu Futsuhara
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Publication number: 20140133941Abstract: 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: ApplicationFiled: May 18, 2011Publication date: May 15, 2014Applicant: TECHNO MEDICA CO., LTD.Inventors: Toshikazu Matsumoto, Yoshimi Hirasawa, Yasushi Nakano, Yusuke Wada, Ichiro Nakamura
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Publication number: 20140125797Abstract: 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: ApplicationFiled: May 18, 2011Publication date: May 8, 2014Applicant: TECHNO MEDICA CO., LTD.Inventors: Toshikazu Matsumoto, Yoshimi Hirasawa, Yasushi Nakano, Yusuke Wada, Ichiro Nakamura
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Publication number: 20120261040Abstract: 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: ApplicationFiled: November 19, 2010Publication date: October 18, 2012Applicants: DAICEL CORPORATION, THE UNIVERSITY OF TOKYOInventors: Mitsuru Arai, Yusuke Wada, Shogo Tomiyama, Yasunori Iwai, Shingo Oda
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Patent number: D719659Type: GrantFiled: December 16, 2013Date of Patent: December 16, 2014Assignee: ARKRAY, Inc.Inventors: Yusuke Wada, Kazuyoshi Kamekawa