Patents by Inventor Hideyuki Yamaguchi
Hideyuki Yamaguchi 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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Publication number: 20190157699Abstract: The battery cell for a flow battery includes a cell frame including a frame including a through-window and a manifold serving as an electrolyte flow path, and a bipolar plate blocking the through-window; a positive electrode disposed on one surface side of the bipolar plate; and a negative electrode disposed on another surface side of the bipolar plate. In this battery cell, in the frame, a thickness of a portion in which the manifold is formed is defined as Ft; in the bipolar plate, a thickness of a portion blocking the through-window is defined as Bt; in the positive electrode, a thickness of a portion facing the bipolar plate is defined as Pt; in the negative electrode, a thickness of a portion facing the bipolar plate is defined as Nt; and these thicknesses satisfy Ft?4 mm, Bt?Ft?3.0 mm, Pt?1.5 mm, and Nt?1.5 mm.Type: ApplicationFiled: January 17, 2019Publication date: May 23, 2019Inventors: Takashi KANNO, Katsuya YAMANISHI, Takefumi ITO, Masahiro KUWABARA, Kiyoaki MORIUCHI, Hideyuki YAMAGUCHI, Hayato FUJITA, Kousuke SHIRAKI, Kiyoaki HAYASHI
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Publication number: 20190150336Abstract: Component mounters of a component mounting line identify a board ID of a circuit board conveyed during production and send the board ID to a production management computer, measure actual data for early-stage-discovery of a mounting defect at a specified interval during production, and send the measurement results to the production management computer. The production management computer saves the board IDs sent from each of the component mounters with a time stamp for each component mounter, monitors whether there is a possibility of a mounting defect based on the measurement result for each component mounter, if there is a possibility of a mounting defect at one of the component mounters, extracts board IDs of circuit boards on which components were mounted at the component mounters since the previous time measurement was performed, and displays a list of the circuit boards with a possible mounting defect.Type: ApplicationFiled: July 20, 2016Publication date: May 16, 2019Applicant: FUJI CORPORATIONInventor: Hideyuki YAMAGUCHI
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Patent number: 10230123Abstract: The battery cell for a flow battery includes a cell frame including a frame including a through-window and a manifold serving as an electrolyte flow path, and a bipolar plate blocking the through-window; a positive electrode disposed on one surface side of the bipolar plate; and a negative electrode disposed on another surface side of the bipolar plate. In this battery cell, in the frame, a thickness of a portion in which the manifold is formed is defined as Ft; in the bipolar plate, a thickness of a portion blocking the through-window is defined as Bt; in the positive electrode, a thickness of a portion facing the bipolar plate is defined as Pt; in the negative electrode, a thickness of a portion facing the bipolar plate is defined as Nt; and these thicknesses satisfy Ft?4 mm, Bt?Ft?3.0 mm, Pt?1.5 mm, and Nt?1.5 mm.Type: GrantFiled: October 5, 2015Date of Patent: March 12, 2019Assignee: Sumitomo Electric Industries, Ltd.Inventors: Takashi Kanno, Katsuya Yamanishi, Takefumi Ito, Masahiro Kuwabara, Kiyoaki Moriuchi, Hideyuki Yamaguchi, Hayato Fujita, Kousuke Shiraki, Kiyoaki Hayashi
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Publication number: 20190067711Abstract: Provided is a redox flow battery in which damage is unlikely to occur in a membrane. A redox flow battery includes a pair of adjacent cell frames, each cell frame including a frame body in which a flow channel for an electrolyte is formed, and a bipolar plate disposed inside the frame body; a positive electrode and a negative electrode disposed so as to face each other between the bipolar plates of the pair of cell frames; a membrane interposed between the positive electrode and the negative electrode; a protection plate which covers the flow channel and presses edge portions of the positive electrode or the negative electrode toward the bipolar plate; and a membrane protection structure which prevents the membrane from being broken by contact between the protection plate and the membrane.Type: ApplicationFiled: February 3, 2016Publication date: February 28, 2019Inventors: Kosuke Shiraki, Takashi Kanno, Takefumi Ito, Masahiro Kuwabara, Hideyuki Yamaguchi, Hayato Fujita, Kiyoaki Hayashi, Kiyoaki Moriuchi
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Publication number: 20190067726Abstract: A redox flow battery includes a cell frame having a frame body in which a sealing groove is formed and a sealing member disposed in the sealing groove. The redox flow battery includes an adhesive that fixes the sealing member to the sealing groove, and a type A durometer hardness of the adhesive after curing is 100 or less. Preferably, the type A durometer hardness of the adhesive after curing is less than or equal to a type A durometer hardness of the sealing member.Type: ApplicationFiled: January 25, 2017Publication date: February 28, 2019Inventors: Kousuke Shiraki, Takashi Kanno, Haruhisa Toyoda, Takefumi Ito, Masahiro Kuwabara, Hideyuki Yamaguchi, Hayato Fujita, Kiyoaki Hayashi
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Patent number: 10211467Abstract: A cell frame for a redox flow battery comprises: a bipolar plate; and a frame body provided at an outer periphery of the bipolar plate, the frame body including a manifold which penetrates through front and back surfaces of the frame body and through which an electrolyte flows, and at least one slit being formed on the front surface of the frame body and forming a channel of the electrolyte between the manifold and the bipolar plate, a cross sectional shape of the slit, in a longitudinal direction of the slit, having a width w and a depth h, the width w and the depth h satisfying (A) w?3 mm and (B) 1/8<h/w<1.Type: GrantFiled: March 18, 2016Date of Patent: February 19, 2019Assignee: Sumitomo Electric Industries, Ltd.Inventors: Takefumi Ito, Takashi Kanno, Masahiro Kuwabara, Katsuya Yamanishi, Hideyuki Yamaguchi, Hayato Fujita, Kiyoaki Hayashi, Kousuke Shiraki, Kiyoaki Moriuchi
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Patent number: 10193178Abstract: A frame body for a redox flow battery is provided with a window. The expressions A>C, B>D, and (B/A)?0.2 are satisfied, where A represents the length of a long side of a rectangle that envelops the window, B represents the width of a horizontal frame corresponding to the long side, C represents the length of a short side of the rectangle, and D represents the width of a vertical frame corresponding to the short side.Type: GrantFiled: February 28, 2017Date of Patent: January 29, 2019Assignee: Sumitomo Electric Inductries, Ltd.Inventors: Masahiro Kuwabara, Haruhisa Toyoda, Takashi Kanno, Takefumi Ito, Hideyuki Yamaguchi, Hayato Fujita, Kousuke Shiraki, Kiyoaki Hayashi
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REDOX FLOW BATTERY, ELECTRODE FOR REDOX FLOW BATTERY, AND ELECTRODE CHARACTERISTIC EVALUATION METHOD
Publication number: 20190027770Abstract: Provided are a redox flow battery having a low internal resistance, an electrode used in a redox flow battery, and an electrode characteristic evaluation method with which a characteristic of an electrode can be simply and accurately evaluated. The redox flow battery includes at least one pair of electrodes in a stacked manner, the electrodes including a positive electrode and a negative electrode to which an electrolyte is supplied and in which a battery reaction is performed.Type: ApplicationFiled: January 7, 2016Publication date: January 24, 2019Inventors: Kosuke Shiraki, Takashi Kanno, Takefumi Ito, Masahiro Kuwabara, Hideyuki Yamaguchi, Hayato Fujita, Kiyoaki Hayashi, Kiyoaki Moriuchi -
Patent number: 10158127Abstract: A cell frame for a redox flow battery comprises: a bipolar plate; and a frame body provided at an outer periphery of the bipolar plate, the frame body including a manifold which penetrates through front and back surfaces of the frame body and through which an electrolyte flows, and at least one slit being formed on the front surface of the frame body and forming a channel of the electrolyte between the manifold and the bipolar plate, a cross sectional shape of the slit, in a longitudinal direction of the slit, having a width w and a depth h, the width w and the depth h satisfying (A) w?3 mm and (B) 1/8<h/w<1.Type: GrantFiled: March 18, 2016Date of Patent: December 18, 2018Assignee: Sumitomo Electric Industries, Ltd.Inventors: Takefumi Ito, Takashi Kanno, Masahiro Kuwabara, Katsuya Yamanishi, Hideyuki Yamaguchi, Hayato Fujita, Kiyoaki Hayashi, Kousuke Shiraki, Kiyoaki Moriuchi
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Publication number: 20180277859Abstract: A redox flow battery includes an electrode, a cell frame including a frame body and a bipolar plate and having a fitting recess in which the electrode is fitted, and a membrane disposed so as to sandwich the electrode between the bipolar plate and the membrane. In the redox flow battery, a gap between, among outer peripheral edge surfaces of the electrode, a side edge surface parallel to a direction in which an electrolyte flows and an inner wall surface of the fitting recess, the inner wall surface facing the side edge surface, is 0.1 mm or more and 12 mm or less.Type: ApplicationFiled: December 8, 2016Publication date: September 27, 2018Applicant: Sumitomo Electric Industries, Ltd.Inventors: Hideyuki Yamaguchi, Seiji Ogino
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Publication number: 20180277858Abstract: A bipolar plate for a battery has two surfaces on which a positive electrode and a negative electrode are to be disposed respectively. At least one of the surfaces of the bipolar plate is provided with a plurality of groove sections through which an electrolyte flows and a ridge section located between the groove sections that are adjacent to each other. The groove sections include an introduction groove section and a discharge groove section that are not in communication with each other. The ridge section includes an uneven portion configured to suppress sliding of the positive electrode or the negative electrode in a direction in which the adjacent groove sections are arranged in parallel. The uneven portion includes a rough surface provided on at least a part of a surface of the ridge section and having an arithmetical mean roughness Ra of 0.1 ?m to 10 ?m inclusive.Type: ApplicationFiled: March 16, 2017Publication date: September 27, 2018Inventors: Hayato Fujita, Masahiro Kuwabara, Takashi Kanno, Haruhisa Toyoda, Hideyuki Yamaguchi, Kousuke Shiraki, Kiyoaki Hayashi, Takefumi Ito
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Publication number: 20180248216Abstract: A frame body for a cell frame of a redox flow battery, the frame body including an outer peripheral portion, the outer peripheral portion including a thin region whose thickness gradually decreases in a direction from the center of the frame body toward the outer periphery of the frame body.Type: ApplicationFiled: October 5, 2016Publication date: August 30, 2018Inventors: Hideyuki Yamaguchi, Takashi Kanno, Kenji Motoi, Takeshi Yamana
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Publication number: 20180190999Abstract: A bipolar plate is a bipolar plate for a battery, the bipolar plate having a positive electrode disposed on a first surface side thereof and a negative electrode disposed on a second surface side thereof, wherein at least one of the first surface and the second surface is provided with a flow path through which an electrolyte flows. The flow path includes an introduction port for the electrolyte, a discharge port for the electrolyte, and a groove section which is located between the introduction port and the discharge port and guides the electrolyte to a predetermined route. The groove section includes a plurality of vertical groove sections which extend in a vertical direction and are arranged in parallel in a direction orthogonal to the vertical direction when the bipolar plate is placed at a predetermined position in the battery.Type: ApplicationFiled: June 16, 2016Publication date: July 5, 2018Inventors: Hayato Fujita, Hideyuki Yamaguchi, Takashi Kanno, Takefumi Ito, Masahiro Kuwabara, Kiyoaki Hayashi
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Publication number: 20180108930Abstract: A frame body for a redox flow battery is provided with a window. The expressions A>C, B>D, and (B/A)?0.2 are satisfied, where A represents the length of a long side of a rectangle that envelops the window, B represents the width of a horizontal frame corresponding to the long side, C represents the length of a short side of the rectangle, and D represents the width of a vertical frame corresponding to the short side.Type: ApplicationFiled: February 28, 2017Publication date: April 19, 2018Applicant: Sumitomo Electric Industries, Ltd.Inventors: Masahiro Kuwabara, Haruhisa Toyoda, Takashi Kanno, Takefumi Ito, Hideyuki Yamaguchi, Hayato Fujita, Kousuke Shiraki, Kiyoaki Hayashi
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Publication number: 20170324108Abstract: Provided are a battery cell that can be produced efficiently. A frame body of each cell frame of a battery cell includes an inner peripheral recessed portion formed by reducing a thickness of a peripheral portion that surrounds an entire perimeter of the penetrating window so that the peripheral portion has a smaller thickness than other portions of the frame body. A bipolar plate of the battery cell includes an outer peripheral engaging portion that engages with the inner peripheral recessed portion, the outer peripheral engaging portion being a portion having a particular width and extending throughout an entire outer periphery of the bipolar plate.Type: ApplicationFiled: October 5, 2015Publication date: November 9, 2017Inventors: Hideyuki Yamaguchi, Katsuya Yamanishi, Takashi Kanno, Takefumi Ito, Masahiro Kuwabara, Kiyoaki Moriuchi, Kiyoaki Hayashi, Hayato Fujita, Kousuke Shiraki
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Publication number: 20170237104Abstract: The battery cell for a flow battery includes a cell frame including a frame including a through-window and a manifold serving as an electrolyte flow path, and a bipolar plate blocking the through-window; a positive electrode disposed on one surface side of the bipolar plate; and a negative electrode disposed on another surface side of the bipolar plate. In this battery cell, in the frame, a thickness of a portion in which the manifold is formed is defined as Ft; in the bipolar plate, a thickness of a portion blocking the through-window is defined as Bt; in the positive electrode, a thickness of a portion facing the bipolar plate is defined as Pt; in the negative electrode, a thickness of a portion facing the bipolar plate is defined as Nt; and these thicknesses satisfy Ft?4 mm, Bt?Ft?3.0 mm, Pt?1.5 mm, and Nt?1.5 mm.Type: ApplicationFiled: October 5, 2015Publication date: August 17, 2017Inventors: Takashi Kanno, Katsuya Yamanishi, Takefumi Ito, Masahiro Kuwabara, Kiyoaki Moriuchi, Hideyuki Yamaguchi, Hayato Fujita, Kousuke Shiraki, Kiyoaki Hayashi
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Publication number: 20170110741Abstract: A cell frame for a redox flow battery comprises: a bipolar plate; and a frame body provided at an outer periphery of the bipolar plate, the frame body including a manifold which penetrates through front and back surfaces of the frame body and through which an electrolyte flows, and at least one slit being formed on the front surface of the frame body and forming a channel of the electrolyte between the manifold and the bipolar plate, a cross sectional shape of the slit, in a longitudinal direction of the slit, having a width w and a depth h, the width w and the depth h satisfying (A) w?3 mm and (B) 1/8<h/w<1.Type: ApplicationFiled: March 18, 2016Publication date: April 20, 2017Inventors: Takefumi Ito, Takashi Kanno, Masahiro Kuwabara, Katsuya Yamanishi, Hideyuki Yamaguchi, Hayato Fujita, Kiyoaki Hayashi, Kousuke Shiraki, Kiyoaki Moriuchi
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Patent number: 9528178Abstract: A fastener element for slide fasteners where the color and pattern change diversely with viewing angle. A coiled fastener element for slide fasteners that is to be furnished on a fastener tape, wherein the fastener element is provided with an engagement head, an upper leg, a lower leg, and inverting part for connecting the upper leg with the lower leg; a coating comprising at least one light-transmissive layer is formed on at least the upper leg; and the thickness of the light-permeable layer is formed so as to decrease gradually from the approximate top of the upper leg to the fastener tape side and so that the layer thickness near the top is at most about 50-1500 nm.Type: GrantFiled: July 24, 2012Date of Patent: December 27, 2016Assignee: YKK CorporationInventors: Hideki Takeda, Syoso Yamamoto, Hideyuki Yamaguchi, Nobuhiro Ichikawa, Yukako Nakamura
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Patent number: 9256147Abstract: A toner is provided including toner particles A having a circularity of greater than 0.93 and not greater than 1.00 and toner particles B having a circularity of from 0.85 to 0.93, wherein the following relationships are satisfied: 70?RA?95, 5?RB?30, 0.014?SD?0.025, and 0.940?ED?0.950, wherein RA (% by number) represents a ratio of a number of the toner particles A to a total number of toner particles included in the toner, RB (% by number) represents a ratio of a number of the toner particles B to the total number of toner particles included in the toner, SD represents a standard deviation of circularity of the toner particles A, and ED represents an average envelope degree of the toner particles B.Type: GrantFiled: January 9, 2013Date of Patent: February 9, 2016Assignee: RICOH COMPANY, LTD.Inventors: Hideyuki Yamaguchi, Hachiroh Tosaka, Tomoyuki Satoh
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Publication number: 20150184277Abstract: A fastener element for slide fasteners where the color and pattern change diversely with viewing angle. A coiled fastener element for slide fasteners that is to be furnished on a fastener tape, wherein the fastener element is provided with an engagement head, an upper leg, a lower leg, and inverting part for connecting the upper leg with the lower leg; a coating comprising at least one light-transmissive layer is formed on at least the upper leg; and the thickness of the light-permeable layer is formed so as to decrease gradually from the approximate top of the upper leg to the fastener tape side and so that the layer thickness near the top is at most about 50-1500 nm.Type: ApplicationFiled: July 24, 2012Publication date: July 2, 2015Applicant: YKK CorporationInventors: Hideki Takeda, Syoso Yamamoto, Hideyuki Yamaguchi, Nobuhiro Ichikawa, Yukako Nakamura