Patents by Inventor Shinichiro Sakaguchi
Shinichiro Sakaguchi 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: 10236491Abstract: A lithium ion secondary battery includes: an electrode multilayer body including a plurality of electrodes stacked with a plurality of separators interposed therebetween; and a package. An end of each of the plurality of separators of the electrode multilayer body housed in the package projects from each of the plurality of electrodes. The plurality of separators includes a first separator, and a second separator which is disposed inside of the first separator and whose projecting amount of an end is smaller than that of the first separator. The end of the first separator is in contact with an inner surface of the packaging film or an inner surface of the separator located outside of the first separator, the end of the first separator is curved further inside than a virtual extension plane of an outer surface of the second separator.Type: GrantFiled: February 25, 2016Date of Patent: March 19, 2019Assignee: AUTOMOTIVE ENERGY SUPPLY CORPORATIONInventors: Shinichiro Sakaguchi, Aika Kimura, Masatomo Mizuta
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Patent number: 10135052Abstract: A stacked battery including two kinds of electrodes 1, 2 and separators 3 through each of which one of the two kinds of electrodes 1 is stacked on another of the two kinds of electrodes 2, each of separators 3 including bonding portion 7 in which separator 3 stacked on the one of the two kinds of electrodes 1 and separator 3 stacked on the another of the two kinds of electrodes 2 are partly bonded to each other on a lateral side of the one of the two kinds of electrodes 1, and non-bonding portion 8 in a curve form which extends at least from a position in which separator 3 is contacted with an end surface of the another of the two kinds of electrodes 2 toward a lateral side of the another of the two kinds of electrodes 2.Type: GrantFiled: January 15, 2014Date of Patent: November 20, 2018Assignee: AUTOMOTIVE ENERGY SUPPLE CORPORATIONInventor: Shinichiro Sakaguchi
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Patent number: 9972818Abstract: A lithium ion secondary battery according to an embodiment of the present disclosure includes: a positive electrode extending along a first direction; a negative electrode extending along the first direction and disposed opposite to the positive electrode along a second direction orthogonal to the first direction; and a separator with a crosslinked structure, extending along the first direction and provided between the positive electrode and the negative electrode. The separator includes an opposite region opposite to the positive electrode and the negative electrode along the second direction, and a surplus region not opposite to the positive electrode and/or the negative electrode along the second direction, and the surplus region has lower porosity than the opposite region.Type: GrantFiled: March 9, 2016Date of Patent: May 15, 2018Assignee: Automotive Energy Supply CorporationInventors: Shinichiro Sakaguchi, Aika Kimura, Masatomo Mizuta
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Patent number: 9865858Abstract: A lithium ion secondary battery according to an embodiment of this disclosure includes: a positive electrode mixture layer provided on a main plane of a positive electrode current collector; a negative electrode mixture layer provided on a main plane of a negative electrode current collector; and an insulator covering a region of a part of a surface of a gradually-decreasing portion included in the positive electrode mixture layer. The portion has thickness gradually decreasing toward a terminal of the positive electrode mixture layer; the surface of the portion has a tangent line in contact with the surface in at least two contact points, and has a depressed part between any adjacent two contact points on the tangent line; and an end of the insulator is positioned between the contact points closest to and farthest from the terminal of the positive electrode mixture layer along the tangent line.Type: GrantFiled: December 14, 2015Date of Patent: January 9, 2018Assignee: AUTOMOTIVE ENERGY SUPPLY CORPORATIONInventors: Tsutomu Oshima, Shinichiro Sakaguchi
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Patent number: 9847514Abstract: A battery comprising an electrode stacked body that includes a plurality of electrodes and a plurality of separators that are alternately stacked; and a film-made cover member that, by joining mutually overlapped peripheral portions of films, constitute a package for hermetically receiving therein the electrode stacked body, in which the plurality of separators include separators that are flat in shape and larger in size and separators that are flat in shape and smaller in size, and the separators that are flat in shape and larger in size project outward from a side of the electrode stacked body and joined to the films of the film-made cover member at a position inside the mutually joined peripheral portions of the film-made cover member.Type: GrantFiled: March 21, 2014Date of Patent: December 19, 2017Assignee: AUTOMOTIVE ENERGY SUPPLY CORPORATIONInventors: Yuji Tanjo, Shinichiro Sakaguchi
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Patent number: 9786886Abstract: A nonaqueous battery includes at least one positive electrode plate, at least one negative electrode plate and at least one separator formed of a microporous resin film and laminated between the positive electrode plate and the negative electrode plate. The separator has a square or rectangular shape with four sides, two of which are perpendicular to a machine direction of the microporous resin film and have been subjected to heat and the other two of which are parallel to the machine direction of the microporous resin film and have not been subjected to heat.Type: GrantFiled: May 20, 2014Date of Patent: October 10, 2017Assignee: AUTOMOTIVE ENERGY SUPPLY CORPORATIONInventors: Shinichiro Sakaguchi, Masatomo Mizuta
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Patent number: 9698408Abstract: A secondary battery has a flat shape and houses a power generation element together with an electrolyte solution inside an exterior body. A terminal includes: a terminal main body including a nickel plane containing nickel on at least a surface thereof; an anticorrosive layer covering at least a part of the nickel plane that is more on the inside of the exterior body than a held portion; and a resin layer covering at least the held portion of a surface of the anticorrosive layer and having an internal extension portion extending from the held portion to the inside of the exterior body.Type: GrantFiled: June 14, 2013Date of Patent: July 4, 2017Assignee: AUTOMOTIVE ENERGY SUPPLY CORPORATIONInventors: Hiromoto Taguchi, Aika Kimura, Noriyasu Onodera, Koichi Shinohara, Shinichiro Sakaguchi
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Publication number: 20160285065Abstract: A lithium ion secondary battery includes: an electrode multilayer body including a plurality of electrodes stacked with a plurality of separators interposed therebetween; and a package. An end of each of the plurality of separators of the electrode multilayer body housed in the package projects from each of the plurality of electrodes. The plurality of separators includes a first separator, and a second separator which is disposed inside of the first separator and whose projecting amount of an end is smaller than that of the first separator. The end of the first separator is in contact with an inner surface of the packaging film or an inner surface of the separator located outside of the first separator, the end of the first separator is curved further inside than a virtual extension plane of an outer surface of the second separator.Type: ApplicationFiled: February 25, 2016Publication date: September 29, 2016Applicant: Automotive Energy Supply CorporationInventors: Shinichiro SAKAGUCHI, Aika KIMURA, Masatomo MIZUTA
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Publication number: 20160285066Abstract: A lithium ion secondary battery according to an embodiment of the present disclosure includes: a positive electrode extending along a first direction; a negative electrode extending along the first direction and disposed opposite to the positive electrode along a second direction orthogonal to the first direction; and a separator with a crosslinked structure, extending along the first direction and provided between the positive electrode and the negative electrode. The separator includes an opposite region opposite to the positive electrode and the negative electrode along the second direction, and a surplus region not opposite to the positive electrode and/or the negative electrode along the second direction, and the surplus region has lower porosity than the opposite region.Type: ApplicationFiled: March 9, 2016Publication date: September 29, 2016Applicant: Automotive Energy Supply CorporationInventors: Shinichiro SAKAGUCHI, Aika KIMURA, Masatomo MIZUTA
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Publication number: 20160190540Abstract: A lithium ion secondary battery according to an embodiment of this disclosure includes: a positive electrode mixture layer provided on a main plane of a positive electrode current collector; a negative electrode mixture layer provided on a main plane of a negative electrode current collector; and an insulator covering a region of a part of a surface of a gradually-decreasing portion included in the positive electrode mixture layer. The portion has thickness gradually decreasing toward a terminal of the positive electrode mixture layer; the surface of the portion has a tangent line in contact with the surface in at least two contact points, and has a depressed part between any adjacent two contact points on the tangent line; and an end of the insulator is positioned between the contact points closest to and farthest from the terminal of the positive electrode mixture layer along the tangent line.Type: ApplicationFiled: December 14, 2015Publication date: June 30, 2016Applicant: Automotive Energy Supply CorporationInventors: Tsutomu OSHIMA, Shinichiro SAKAGUCHI
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Publication number: 20160190539Abstract: A lithium ion secondary battery includes: a positive electrode mixture layer provided on a main plane of a positive electrode current collector; and an insulator covering a part of a surface of a gradually-decreasing portion included in the positive electrode mixture layer. A first region is smaller than a second region on a cross-section of the lithium ion secondary battery that is orthogonal to the main plane, the first region being defined by a perpendicular line to the main plane passing a contact point between the surface of the gradually-decreasing portion and an end of the insulator, the main plane, and the surface of the gradually-decreasing portion, and the second region being defined by an orthogonal line orthogonal to the perpendicular line and in contact with an upper surface of the positive electrode mixture layer on a plane including the cross-section, the perpendicular line, and the surface of the gradually-decreasing portion.Type: ApplicationFiled: December 17, 2015Publication date: June 30, 2016Applicant: Automotive Energy Supply CorporationInventors: Shinichiro SAKAGUCHI, Tsutomu OSHIMA
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Publication number: 20160133910Abstract: A secondary battery has a flat shape and houses a power generation element together with an electrolyte solution inside an exterior body. A terminal includes: a terminal main body including a nickel plane containing nickel on at least a surface thereof; an anticorrosive layer covering at least a part of the nickel plane that is more on the inside of the exterior body than a held portion; and a resin layer covering at least the held portion of a surface of the anticorrosive layer and having an internal extension portion extending from the held portion to the inside of the exterior body.Type: ApplicationFiled: June 14, 2013Publication date: May 12, 2016Applicant: Automotive Energy Supply CorporationInventors: Hiromoto TAGUCHI, Aika KIMURA, Noriyasu ONODERA, Koichi SHINOHARA, Shinichiro SAKAGUCHI
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Publication number: 20140363732Abstract: A nonaqueous battery includes at least one positive electrode plate, at least one negative electrode plate and at least one separator formed of a microporous resin film and laminated between the positive electrode plate and the negative electrode plate. The separator has a square or rectangular shape with four sides, two of which are perpendicular to a machine direction of the microporous resin film and have been subjected to heat and the other two of which are parallel to the machine direction of the microporous resin film and have not been subjected to heat.Type: ApplicationFiled: May 20, 2014Publication date: December 11, 2014Applicant: Automotive Energy Supply CorporationInventors: Shinichiro SAKAGUCHI, Masatomo MIZUTA
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Publication number: 20140205886Abstract: A stacked battery including two kinds of electrodes 1, 2 and separators 3 through each of which one of the two kinds of electrodes 1 is stacked on another of the two kinds of electrodes 2, each of separators 3 including bonding portion 7 in which separator 3 stacked on the one of the two kinds of electrodes 1 and separator 3 stacked on the another of the two kinds of electrodes 2 are partly bonded to each other on a lateral side of the one of the two kinds of electrodes 1, and non-bonding portion 8 in a curve form which extends at least from a position in which separator 3 is contacted with an end surface of the another of the two kinds of electrodes 2 toward a lateral side of the another of the two kinds of electrodes 2.Type: ApplicationFiled: January 15, 2014Publication date: July 24, 2014Applicant: Automotive Energy Supply CorporationInventor: Shinichiro SAKAGUCHI
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Publication number: 20140205887Abstract: A battery comprising an electrode stacked body that includes a plurality of electrodes and a plurality of separators that are alternately stacked; and a film-made cover member that, by joining mutually overlapped peripheral portions of films, constitute a package for hermetically receiving therein the electrode stacked body, in which the plurality of separators include separators that are flat in shape and larger in size and separators that are flat in shape and smaller in size, and the separators that are flat in shape and larger in size project outward from a side of the electrode stacked body and joined to the films of the film-made cover member at a position inside the mutually joined peripheral portions of the film-made cover member.Type: ApplicationFiled: March 21, 2014Publication date: July 24, 2014Applicant: Automotive Energy Supply CorporationInventors: Yuji TANJO, Shinichiro SAKAGUCHI
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Publication number: 20130115486Abstract: A lithium ion secondary battery includes: an outer covering material that is filled with an electrolyte; a collector that is housed in the outer covering material, formed with an electrode layer containing an active material, and electrically connected with the electrode layer; an insulation layer that is provided on the collector; and a low potential member that is provided on the insulation layer, has a lower oxidation reduction potential than the active material of the electrode layer, and possesses a reduction ability relative to the active material.Type: ApplicationFiled: July 11, 2011Publication date: May 9, 2013Inventors: Takamitsu Saito, Shinichiro Sakaguchi, Yasukazu Iwasaki, Kazuyuki Sakamoto
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Publication number: 20120235939Abstract: A touch-panel-equipped electronic device having a display panel, a touch panel, vibration elements, and vibration propagation members. The touch panel is disposed above the display panel. The vibration elements are disposed lateral to the display panel. The vibration propagation members propagate vibrations of the vibration elements to the touch panel. Each vibration element is disposed such that a vibration direction of a vibration plate thereof is parallel to the normal direction of the display panel.Type: ApplicationFiled: May 10, 2012Publication date: September 20, 2012Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Shinichiro Sakaguchi, Kazunari Tagata, Toshio Imanishi
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Patent number: 4035419Abstract: A process for producing crystals of malic acid having a uniform high purity using maleic acid or fumaric separately or together. The reaction mixture is cooled, resulting solids are separated and the resulting liquid is concentrated and then cooled to a specified temperature range according to the concentration of malic acid in weight %. The resulting solid is separated and the remaining liquid is cooled to 19.degree. to 21.degree. C to crystallize malic acid.Type: GrantFiled: February 17, 1976Date of Patent: July 12, 1977Inventors: Shozo Sumikawa, Shinichiro Sakaguchi, Tomoo Okiura