Patents by Inventor Takeshi Yamana
Takeshi Yamana 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: 11784339Abstract: A battery cell for use in a redox flow battery, the battery cell including an electrode, a membrane facing one of both surfaces of the electrode, and a bipolar plate facing the other surface of the electrode, wherein the bipolar plate includes, in a surface thereof facing the electrode, a flow channel for an electrolyte, the electrode is a porous body containing carbon materials, and a compressive strain in a thickness direction of the electrode when a compressive stress of 0.8 MPa is applied in the thickness direction of the electrode is 20% or more and 60% or less.Type: GrantFiled: January 29, 2019Date of Patent: October 10, 2023Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kiyoaki Moriuchi, Yoshiyasu Kawagoe, Seiji Ogino, Shin-ichi Sawada, Takeshi Yamana
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Patent number: 11665982Abstract: A superconducting wire includes a substrate and a superconducting material layer. The substrate includes a first main surface and a second main surface opposite to the first main surface. The superconducting material layer is disposed on the first main surface. Along at least a part of the superconducting wire in a direction in which the superconducting wire extends, the superconducting material layer is disposed to cover a side surface of the substrate in a width direction of the substrate and cover at least a part of the second main surface. A thickness of the superconducting material layer located on the first main surface varies along the width direction. A maximum thickness of the superconducting material layer located on the second main surface is smaller than a maximum thickness of the superconducting material layer located on the first main surface.Type: GrantFiled: November 11, 2015Date of Patent: May 30, 2023Assignee: Sumitomo Electric Industries, Ltd.Inventors: Takashi Yamaguchi, Tatsuoki Nagaishi, Masaya Konishi, Takeshi Yamana, Kenji Motoi
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Patent number: 11527770Abstract: A cell stack including; a stacked body including a plurality of cell frames each having a bipolar plate whose outer periphery is supported by a frame member; and a pair of end plates that tighten the stacked body from both sides of a stacking direction thereof, wherein an area S [cm2] of each cell frame as viewed from the stacking direction of the stacked body and a length W [mm] in the stacking direction of the stacked body satisfies a relationship 0.05?W/S?0.9.Type: GrantFiled: February 27, 2018Date of Patent: December 13, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Hayato Fujita, Kenji Motoi, Takashi Kanno, Takeshi Yamana
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Patent number: 11522209Abstract: A battery according to an embodiment of the present invention includes: a plurality of tanks (2) storing electrolyte containing ions of which valence is changed; a cell (1) configured to cause oxidation-reduction of the electrolyte so as to be charged or discharged; a pipe (3) connecting the plurality of tanks and the cell; and a pump (4) configured to circulate the electrolyte between the plurality of tanks and the cell through the pipe. The battery according to an embodiment of the present invention includes a container (5) housing the plurality of tanks (2), the cell (1), the pipe (3), and the pump (4). The container has a bottom (51), a side (52), and a top (53). Accordingly, the battery in an embodiment of the present invention can be installed easily and its installation area can be reduced.Type: GrantFiled: April 21, 2016Date of Patent: December 6, 2022Assignee: Sumitomo Electric Industries, Ltd.Inventors: Atsuo Ikeuchi, Takeshi Yamana, Kenji Motoi
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Publication number: 20220085402Abstract: A battery cell for use in a redox flow battery, the battery cell including an electrode, a membrane facing one of both surfaces of the electrode, and a bipolar plate facing the other surface of the electrode, wherein the bipolar plate includes, in a surface thereof facing the electrode, a flow channel for an electrolyte, the electrode is a porous body containing carbon materials, and a compressive strain in a thickness direction of the electrode when a compressive stress of 0.8 MPa is applied in the thickness direction of the electrode is 20% or more and 60% or less.Type: ApplicationFiled: January 29, 2019Publication date: March 17, 2022Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kiyoaki MORIUCHI, Yoshiyasu KAWAGOE, Seiji OGINO, Shin-ichi SAWADA, Takeshi YAMANA
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Patent number: 11101395Abstract: This wiring module includes: a wiring substrate; a base portion at which the wiring substrate is placed; and an adhesive layer configured to adhere the wiring substrate to the base portion, wherein the wiring substrate includes: a land portion configured to have a power generating element mounted thereto; and a wire portion configured to be electrically connected to the power generating element, the adhesive layer has: a land adhesion region configured to adhere the land portion to the base portion; and a wire adhesion region configured to adhere the wire portion to the base portion, and a width of the wire adhesion region is smaller than a width of the land adhesion region.Type: GrantFiled: July 6, 2015Date of Patent: August 24, 2021Assignee: Sumitomo Electric Industries, Ltd.Inventors: Kazumasa Toya, Takashi Iwasaki, Youichi Nagai, Koji Mori, Kenji Saito, Rui Mikami, Takeshi Yamana
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Patent number: 10985286Abstract: This power generation module includes: a power generating portion (30) including a power generating element (19); and a wiring substrate. The wiring substrate includes: a reinforcement plate; and a flexible printed circuit (79) provided above the reinforcement plate. The flexible printed circuit (79) has: an FPC land portion (70) configured to have the power generating portion (30) mounted thereto; and a FPC wire portion (73) connected to the FPC land portion (70). The width of the FPC wire portion (73) is smaller than the width of the FPC land portion (70).Type: GrantFiled: July 6, 2015Date of Patent: April 20, 2021Assignee: Sumitomo Electric Industries, Ltd.Inventors: Kazumasa Toya, Takashi Iwasaki, Youichi Nagai, Koji Mori, Kenji Saito, Rui Mikami, Takeshi Yamana
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Publication number: 20200403262Abstract: A cell stack including; a stacked body including a plurality of cell frames each having a bipolar plate whose outer periphery is supported by a frame member; and a pair of end plates that tighten the stacked body from both sides of a stacking direction thereof, wherein an area S [cm2] of each cell frame as viewed from the stacking direction of the stacked body and a length W [mm] in the stacking direction of the stacked body satisfies a relationship 0.05?W/S?0.9.Type: ApplicationFiled: February 27, 2018Publication date: December 24, 2020Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Hayato FUJITA, Kenji MOTOI, Takashi KANNO, Takeshi YAMANA
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Patent number: 10680127Abstract: This power generation circuit unit includes a wiring substrate and a plurality of power generating elements mounted to the wiring substrate. The wiring substrate includes: a first substrate (32E) and a second substrate (32F) to each of which the power generating element is mounted; and a coupling portion (33L) configured to couple the first substrate (32E) and the second substrate (32F) together. The first substrate (32E) can be disposed at least two positions of: a first position separated from the second substrate (32F) by a first distance; and a second position separated from the second substrate (32F) by a second distance being greater than the first distance. The coupling portion (33L) has an FPC (flexible printed circuits). In a state where the first substrate is disposed at the second position, at least a part of the coupling portion (33L) is twisted.Type: GrantFiled: July 6, 2015Date of Patent: June 9, 2020Assignee: Sumitomo Electric Industries, Ltd.Inventors: Kazumasa Toya, Takashi Iwasaki, Youichi Nagai, Koji Mori, Kenji Saito, Rui Mikami, Takeshi Yamana
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Patent number: 10431843Abstract: 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: GrantFiled: October 5, 2016Date of Patent: October 1, 2019Assignee: Sumitomo Electric Industries, Ltd.Inventors: Hideyuki Yamaguchi, Takashi Kanno, Kenji Motoi, Takeshi Yamana
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Patent number: 10305121Abstract: There is provided a frame body used for a cell of a redox flow battery, that can improve heat dissipation of an electrolyte in a slit and can suppress rise of the temperature of the electrolyte. It is a frame body used for a cell of a redox flow battery, comprising: an opening formed inside the frame body; a manifold allowing an electrolyte to pass therethrough; and a slit which connects the manifold and the opening and forms a channel of the electrolyte between the manifold and the opening, the slit having a pair of sidewalls facing each other in a cross section orthogonal to a direction in which the electrolyte flows, the slit having, at at least a portion thereof in the slit's depthwise direction, a width narrowing portion allowing the sidewalls to have a spacing narrowed in the depthwise direction.Type: GrantFiled: August 20, 2015Date of Patent: May 28, 2019Assignee: Sumitomo Electric Industries, Ltd.Inventors: Takashi Kanno, Takeshi Yamana, Kenji Motoi
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Patent number: 10305122Abstract: There is provided a frame body used for a cell of a redox flow battery, that can improve heat dissipation of an electrolyte in a slit and can suppress rise of the temperature of the electrolyte. It is a frame body used for a cell of a redox flow battery, comprising: an opening formed inside the frame body; a manifold allowing an electrolyte to pass therethrough; and a slit which connects the manifold and the opening and forms a channel of the electrolyte between the manifold and the opening, the slit having a pair of sidewalls facing each other in a cross section orthogonal to a direction in which the electrolyte flows, the slit having, at at least a portion thereof in the slit's depthwise direction, a width narrowing portion allowing the sidewalls to have a spacing narrowed in the depthwise direction.Type: GrantFiled: June 7, 2017Date of Patent: May 28, 2019Assignee: Sumitomo Electric Industries, Ltd.Inventors: Takashi Kanno, Takeshi Yamana, Kenji Motoi
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Publication number: 20190140301Abstract: A battery according to an embodiment of the present invention includes: a plurality of tanks (2) storing electrolyte containing ions of which valence is changed; a cell (1) configured to cause oxidation-reduction of the electrolyte so as to be charged or discharged; a pipe (3) connecting the plurality of tanks and the cell; and a pump (4) configured to circulate the electrolyte between the plurality of tanks and the cell through the pipe. The battery according to an embodiment of the present invention includes a container (5) housing the plurality of tanks (2), the cell (1), the pipe (3), and the pump (4). The container has a bottom (51), a side (52), and a top (53). Accordingly, the battery in an embodiment of the present invention can be installed easily and its installation area can be reduced.Type: ApplicationFiled: April 21, 2016Publication date: May 9, 2019Inventors: Atsuo Ikeuchi, Takeshi Yamana, Kenji Motoi
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Patent number: 10263263Abstract: There is provided a frame body used for a cell of a redox flow battery, that can improve heat dissipation of an electrolyte in a slit and can suppress rise of the temperature of the electrolyte. It is a frame body used for a cell of a redox flow battery, comprising: an opening formed inside the frame body; a manifold allowing an electrolyte to pass therethrough; and a slit which connects the manifold and the opening and forms a channel of the electrolyte between the manifold and the opening, the slit having a pair of sidewalls facing each other in a cross section orthogonal to a direction in which the electrolyte flows, the slit having, at at least a portion thereof in the slit's depthwise direction, a width narrowing portion allowing the sidewalls to have a spacing narrowed in the depthwise direction.Type: GrantFiled: August 20, 2015Date of Patent: April 16, 2019Assignee: Sumitomo Electric Industries, Ltd.Inventors: Takashi Kanno, Takeshi Yamana, Kenji Motoi
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Patent number: 10224563Abstract: A frame body that is a part of a flat cell frame for a cell stack of a redox flow battery, and that supports, on an outer peripheral side of a bipolar plate of the cell frame, the bipolar plate, the frame body including a frame-facing surface that is to face, when a plurality of the cell frames are stacked, a frame body of another cell frame that is adjacent to the cell frame in a stacking direction, wherein the frame-facing surface has a surface roughness Ra of 0.03 ?m or more and 3.2 ?m or less.Type: GrantFiled: October 5, 2016Date of Patent: March 5, 2019Assignee: Sumitomo Electric Industries, Ltd.Inventors: Hayato Fujita, Takashi Kanno, Kenji Motoi, Takeshi Yamana
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Publication number: 20180337323Abstract: A superconducting wire includes a substrate and a superconducting material layer. The substrate includes a first main surface and a second main surface opposite to the first main surface. The superconducting material layer is disposed on the first main surface. Along at least a part of the superconducting wire in a direction in which the superconducting wire extends, the superconducting material layer is disposed to cover a side surface of the substrate in a width direction of the substrate and cover at least a part of the second main surface. A thickness of the superconducting material layer located on the first main surface varies along the width direction. A maximum thickness of the superconducting material layer located on the second main surface is smaller than a maximum thickness of the superconducting material layer located on the first main surface.Type: ApplicationFiled: November 11, 2015Publication date: November 22, 2018Applicant: Sumitomo Electric Industries, Ltd.Inventors: Takashi YAMAGUCHI, Tatsuoki NAGAISHI, Masaya KONISHI, Takeshi YAMANA, Kenji MOTOI
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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: 20180248215Abstract: A frame body that is a part of a flat cell frame for a cell stack of a redox flow battery, and that supports, on an outer peripheral side of a bipolar plate of the cell frame, the bipolar plate, the frame body including a frame-facing surface that is to face, when a plurality of the cell frames are stacked, a frame body of another cell frame that is adjacent to the cell frame in a stacking direction, wherein the frame-facing surface has a surface roughness Ra of 0.03 ?m or more and 3.2 ?m or less.Type: ApplicationFiled: October 5, 2016Publication date: August 30, 2018Inventors: Hayato Fujita, Takashi Kanno, Kenji Motoi, Takeshi Yamana
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Patent number: 9947944Abstract: There is provided a frame body used for a cell of a redox flow battery, that can improve heat dissipation of an electrolyte in a slit while reducing a shunt current loss through the electrolyte, and can also suppress strain caused at a slit formation portion. It is a frame body used for a cell of a redox flow battery, comprising: an opening formed inside the frame body; a manifold allowing an electrolyte to pass therethrough; and a slit which connects the manifold and the opening and forms a channel of the electrolyte between the manifold and the opening, the slit having at least one bent portion, the at least one bent portion having a radius of curvature of 2.0 mm or more and 200 mm or less.Type: GrantFiled: August 21, 2015Date of Patent: April 17, 2018Assignee: Sumitomo Electric Industries, Ltd.Inventors: Takashi Kanno, Takeshi Yamana, Kenji Motoi
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Publication number: 20170271691Abstract: There is provided a frame body used for a cell of a redox flow battery, that can improve heat dissipation of an electrolyte in a slit and can suppress rise of the temperature of the electrolyte. It is a frame body used for a cell of a redox flow battery, comprising: an opening formed inside the frame body; a manifold allowing an electrolyte to pass therethrough; and a slit which connects the manifold and the opening and forms a channel of the electrolyte between the manifold and the opening, the slit having a pair of sidewalls facing each other in a cross section orthogonal to a direction in which the electrolyte flows, the slit having, at at least a portion thereof in the slit's depthwise direction, a width narrowing portion allowing the sidewalls to have a spacing narrowed in the depthwise direction.Type: ApplicationFiled: June 7, 2017Publication date: September 21, 2017Inventors: Takashi Kanno, Takeshi Yamana, Kenji Motoi