Patents by Inventor Keisuke Yoneda
Keisuke Yoneda 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: 11183740Abstract: A wound battery includes an electrode assembly in which a first electrode and a second electrode are wound together via a separator, the electrode assembly being accommodated in a battery case including a bottomed tube-shaped metallic can. The first electrode has a first uncoated region defined by an exposed portion of a first current collector sheet at an end of the first current collector sheet in the axial direction of winding. The first electrode includes a first current collector lead connected to the first uncoated region. The first uncoated region is disposed on the same side as the open end of the metallic can. The second electrode includes a second current collector lead connected thereto. The first and the second current collector leads extend toward the open end of the metallic can. At least a portion of the first uncoated region is covered with an insulating layer, and the insulating layer extends beyond an end face of the first uncoated region.Type: GrantFiled: July 31, 2019Date of Patent: November 23, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO.Inventors: Tomoki Tsuji, Akira Kakinuma, Tetsuya Hayashi, Keisuke Yoneda
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Publication number: 20200235354Abstract: A manufacturing method of a battery including attaching a first current collector lead to a first electrode plate; attaching a second current collector lead to a second electrode plate; a step of fabricating a wound electrode group by winding the first electrode plate and the second electrode plate around a winding core member with a separator interposed therebetween; accommodating the wound electrode group in a closed-end cylindrical metal case being a first electrode terminal; joining the first current collector lead to an inner sidewall surface of the metal case (step X); joining the second current collector lead to a sealing member being a second electrode terminal; and sealing the metal case, before step X, a joint portion of the first current collector lead with the inner sidewall surface of the metal case is curved in a same direction as a curve of the inner sidewall surface of the metal case.Type: ApplicationFiled: April 9, 2020Publication date: July 23, 2020Inventors: Kenjin MASUMOTO, Akira KAKINUMA, Keisuke YONEDA, Junya NISHIMORI
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Patent number: 10662083Abstract: The present invention provides a filter which, even when raw water is subjected to high-speed treatment, enables achieving a high solute rejection ratio and a long solute filtration life and which exhibits a low water flow resistance. The present invention pertains to a filter obtained by laminating woven fabrics or knitted fabrics, the filter being characterized in that: said woven fabrics or knitted fabrics comprise a fiber capable of adsorbing components dissolved in liquid: said fiber has a diameter of 100-600 ?m; the woven fabrics or knitted fabrics have a porosity of 15-70%; and variation in area porosity in the thickness direction of the laminate is 15% or less.Type: GrantFiled: February 28, 2018Date of Patent: May 26, 2020Assignee: TORAY INDUSTRIESInventors: Ryoma Miyamoto, Keisuke Yoneda, Kumiko Ogawa, Satoko Kanamori, Ryuichiro Hiranabe, Yoichiro Kozaki
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Patent number: 10658633Abstract: A battery includes a first electrode plate, a second electrode plate, a separator interposed between the first and second electrode plates, a closed-end cylindrical metal case accommodating these three elements, and a sealing member sealing an opening of the metal case with an insulating member interposed therebetween. The first and second electrode plates are wound with the separator interposed therebetween to form a wound electrode group. A center axis portion of the wound electrode group is substantially the same as a center axis of a cylinder of the metal case, and contains no power-generating element. A first current collector lead coupled to the first electrode plate extends toward the opening of the metal case, and joined to an inner sidewall surface of the metal case. A second current collector lead coupled to the second electrode plate extends toward the opening of the metal case, and joined to the sealing member.Type: GrantFiled: December 20, 2011Date of Patent: May 19, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kenjin Masumoto, Akira Kakinuma, Keisuke Yoneda, Junya Nishimori
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Publication number: 20200062616Abstract: The present invention provides a filter which, even when raw water is subjected to high-speed treatment, enables achieving a high solute rejection ratio and a long solute filtration life and which exhibits a low water flow resistance. The present invention pertains to a filter obtained by laminating woven fabrics or knitted fabrics, the filter being characterized in that: said woven fabrics or knitted fabrics comprise a fiber capable of adsorbing components dissolved in liquid: said fiber has a diameter of 100-600 ?m; the woven fabrics or knitted fabrics have a porosity of 15-70%; and variation in area porosity in the thickness direction of the laminate is 15% or less.Type: ApplicationFiled: February 28, 2018Publication date: February 27, 2020Applicant: TORAY INDUSTRIES, INC.Inventors: Ryoma MIYAMOTO, Keisuke YONEDA, Kumiko OGAWA, Satoko KANAMORI, Ryuichiro HIRANABE, Yoichiro KOZAKI
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Publication number: 20190355958Abstract: A wound battery includes an electrode assembly in which a first electrode and a second electrode are wound together via a separator, the electrode assembly being accommodated in a battery case including a bottomed tube-shaped metallic can. The first electrode has a first uncoated region defined by an exposed portion of a first current collector sheet at an end of the first current collector sheet in the axial direction of winding. The first electrode includes a first current collector lead connected to the first uncoated region. The first uncoated region is disposed on the same side as the open end of the metallic can. The second electrode includes a second current collector lead connected thereto. The first and the second current collector leads extend toward the open end of the metallic can. At least a portion of the first uncoated region is covered with an insulating layer, and the insulating layer extends beyond an end face of the first uncoated region.Type: ApplicationFiled: July 31, 2019Publication date: November 21, 2019Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tomoki Tsuji, Akira Kakinuma, Tatsuya Hayashi, Keisuke Yoneda
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Patent number: 10427109Abstract: A composite semipermeable membrane including: a substrate; a porous supporting layer formed on the substrate; and a separation functional layer formed on the porous supporting layer, in which the separation functional layer contains crosslinked wholly aromatic polyamide as a main component and contains a carboxy group, a ratio of (molar equivalent of the carboxy group)/(molar equivalent of an amide group) in functional groups contained in the separation functional layer is 0.40 or more, and an average ratio of oxygen atoms/nitrogen atoms in front and rear sides of the separation functional layer is 0.95 or less.Type: GrantFiled: February 28, 2014Date of Patent: October 1, 2019Assignee: TORAY INDUSTRIES, INC.Inventors: Keisuke Yoneda, Shunsuke Tabayashi, Takafumi Ogawa, Takao Sasaki, Masahiro Kimura
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Patent number: 10411243Abstract: A wound battery includes an electrode assembly in which a first electrode and a second electrode are wound together via a separator, the electrode assembly being accommodated in a battery case including a bottomed tube-shaped metallic can. The first electrode has a first uncoated region defined by an exposed portion of a first current collector sheet at an end of the first current collector sheet in the axial direction of winding. The first electrode includes a first current collector lead connected to the first uncoated region. The first uncoated region is disposed on the same side as the open end of the metallic can. The second electrode includes a second current collector lead connected thereto. The first and the second current collector leads extend toward the open end of the metallic can. At least a portion of the first uncoated region is covered with an insulating layer, and the insulating layer extends beyond an end face of the first uncoated region.Type: GrantFiled: May 21, 2015Date of Patent: September 10, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tomoki Tsuji, Akira Kakinuma, Tetsuya Hayashi, Keisuke Yoneda
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Publication number: 20190217286Abstract: The present invention relates to an ion exchange fiber including: a core fiber; and an ion exchange layer that is disposed at a vicinity of the core fiber and includes a crosslinked polymer compound having an ion exchange group, in which, in a cross section perpendicular to a longitudinal direction of the ion exchange fiber, an area of the ion exchange layer occupies 50% or more and 90% or less of a total cross sectional area, and the ion exchange fiber has a swelling ratio of 50% or less.Type: ApplicationFiled: August 29, 2017Publication date: July 18, 2019Applicant: TORAY INDUSTRIES, INC.Inventors: Ryoma MIYAMOTO, Keisuke YONEDA, Ryuichiro HIRANABE, Satoko KANAMORI, Keiji TAKEDA, Noriko NAGAI, Naoki ASAI
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Patent number: 10353153Abstract: A method of manufacturing an optical connector according to the invention includes: holding a first optical fiber by a pair of holding members at a position apart from an end face of a second end and through both sides thereof in a radial direction, the first optical fiber being provided with a solid refractive index-matching material layer, the refractive index-matching material layer being formed on the end face of the second end on an opposite side of an end face of a first end exposed to a front end of a ferrule; and inserting the first optical fiber into a fiber hole of the ferrule through the first end.Type: GrantFiled: March 17, 2015Date of Patent: July 16, 2019Assignees: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takashi Yamaguchi, Takaharu Matsuda, Hung Huu Luong, Kazuhiro Takizawa, Keisuke Yoneda, Kazutoshi Takamizawa, Yuji Aoyagi, Katsushi Nakayachi
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Patent number: 10345527Abstract: A holder includes a base including a reference surface and a slider to which an optical-fiber retainer that retains an optical-fiber can be attached. The slider is movable in a front-rear direction with respect to the base, and at least a portion of the optical-fiber retainer is accommodated between the reference surface and the slider when the optical-fiber retainer is attached to the slider and the optical-fiber retainer is positioned with respect to the reference surface by moving the slider toward a reference surface side.Type: GrantFiled: January 19, 2017Date of Patent: July 9, 2019Assignees: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takashi Yamaguchi, Kunihiko Fujiwara, Yuji Aoyagi, Katsushi Nakayachi, Keisuke Yoneda
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Publication number: 20180348441Abstract: A holder includes a base including a reference surface and a slider to which an optical-fiber retainer that retains an optical-fiber can be attached. The slider is movable in a front-rear direction with respect to the base, and at least a portion of the optical-fiber retainer is accommodated between the reference surface and the slider when the optical-fiber retainer is attached to the slider and the optical-fiber retainer is positioned with respect to the reference surface by moving the slider toward a reference surface side.Type: ApplicationFiled: January 19, 2017Publication date: December 6, 2018Applicants: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takashi Yamaguchi, Kunihiko Fujiwara, Yuji Aoyagi, Katsushi Nakayachi, Keisuke Yoneda
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Patent number: 10147967Abstract: In a cylindrical battery, a bottomed cylindrical battery case includes an opening end bent or curved toward a center axis of the battery case, and a constriction annularly formed around the center axis. A gasket is compressed by the opening end and the constriction, and a rim portion of the sealing member is grasped by the compressed gasket. The outer diameter of the battery case is 10 mm or less. A first corresponding line corresponds to the rim of the sealing member in a projected image of the sealing member on the virtual plane perpendicular to the center axis of the battery case, and a second corresponding line corresponds to a tip edge of the opening end in a projected image. In this case, deviation d of the second corresponding line from the first corresponding line toward the center axis satisfies ?0.1 mm?d?+0.5 mm.Type: GrantFiled: June 17, 2015Date of Patent: December 4, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Akira Kakinuma, Keisuke Yoneda, Nozomu Tsukayama
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Patent number: 9827536Abstract: Provided is a composite semipermeable membrane having a high salt removal rate and a high water permeability. The composite semipermeable membrane comprises a substrate, a porous support layer formed on the substrate, and a separation functional layer formed on the porous support layer, the hydrophilic macromolecule concentration on the substrate-side surface of the porous support layer being higher than that on the separation functional layer-side surface.Type: GrantFiled: September 19, 2013Date of Patent: November 28, 2017Assignee: Toray Industries, Inc.Inventors: Keisuke Yoneda, Jun Okabe, Takao Sasaki, Masahiro Kimura, Masahiro Henmi
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Publication number: 20170199331Abstract: An optical fiber splicing structure of the invention includes: an optical fiber connector that is capable of holding an optical fiber at both sides thereof in a radial direction; a receiving optical fiber that is provided inside the optical fiber connector and has a hole opening at an end face of a connection end thereof; a solid refractive index matching layer that is formed at the end face of a connection end of the receiving optical fiber and enters the hole; and an external optical fiber that is to be butt-jointed to the receiving optical fiber by being butt-jointed to the receiving optical fiber at the end faces thereof with the refractive index matching layer interposed therebetween.Type: ApplicationFiled: April 22, 2015Publication date: July 13, 2017Applicants: Fujikura Ltd., NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takaharu MATSUDA, Takashi YAMAGUCHI, Kazuhiro TAKIZAWA, Keisuke YONEDA, Kazutoshi TAKAMIZAWA, Yuji AOYAGI, Katsushi NAKAYACHI
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Patent number: 9666903Abstract: There is provided a cylindrical pin-type lithium-ion secondary battery having excellent high temperature storage characteristics and charge-discharge cycle characteristics. The battery includes: a bottom-closed cylindrical battery case having an opening portion; a wound-type electrode assembly and a non-aqueous electrolyte housed in the battery case; and a sealing plate sealing the opening portion. The battery has: an outer diameter R of 3 to 6.5 mm; a height H of 15 to 65 mm; an amount of the non-aqueous electrolyte per discharge capacity of 1 mAh of 1.7 to 2.8 ?L; and a packing ratio of 71 to 85%.Type: GrantFiled: February 28, 2014Date of Patent: May 30, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yoko Sano, Keisuke Yoneda
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Publication number: 20170139148Abstract: A method of manufacturing an optical connector according to the invention includes: holding a first optical fiber by a pair of holding members at a position apart from an end face of a second end and through both sides thereof in a radial direction, the first optical fiber being provided with a solid refractive index-matching material layer, the refractive index-matching material layer being formed on the end face of the second end on an opposite side of an end face of a first end exposed to a front end of a ferrule; and inserting the first optical fiber into a fiber hole of the ferrule through the first end.Type: ApplicationFiled: March 17, 2015Publication date: May 18, 2017Applicants: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takashi YAMAGUCHI, Takaharu MATSUDA, Hung Huu LUONG, Kazuhiro TAKIZAWA, Keisuke YONEDA, Kazutoshi TAKAMIZAWA, Yuji AOYAGI, Katsushi NAKAYACHI
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Publication number: 20170084947Abstract: In a cylindrical battery, a bottomed cylindrical battery case includes an opening end bent or curved toward a center axis of the battery case, and a constriction annularly formed around the center axis. A gasket is compressed by the opening end and the constriction, and a rim portion of the sealing member is grasped by the compressed gasket. The outer diameter of the battery case is 10 mm or less. A first corresponding line corresponds to the rim of the sealing member in a projected image of the sealing member on the virtual plane perpendicular to the center axis of the battery case, and a second corresponding line corresponds to a tip edge of the opening end in a projected image. In this case, deviation d of the second corresponding line from the first corresponding line toward the center axis satisfies ?0.1 mm?d?+0.5 mm.Type: ApplicationFiled: June 17, 2015Publication date: March 23, 2017Inventors: AKIRA KAKINUMA, KEISUKE YONEDA, NOZOMU TSUKAYAMA
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Publication number: 20170047575Abstract: A wound battery includes an electrode assembly in which a first electrode and a second electrode are wound together via a separator, the electrode assembly being accommodated in a battery case including a bottomed tube-shaped metallic can. The first electrode has a first uncoated region defined by an exposed portion of a first current collector sheet at an end of the first current collector sheet in the axial direction of winding. The first electrode includes a first current collector lead connected to the first uncoated region. The first uncoated region is disposed on the same side as the open end of the metallic can. The second electrode includes a second current collector lead connected thereto. The first and the second current collector leads extend toward the open end of the metallic can. At least a portion of the first uncoated region is covered with an insulating layer, and the insulating layer extends beyond an end face of the first uncoated region.Type: ApplicationFiled: May 21, 2015Publication date: February 16, 2017Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tomoki TSUJI, Akira KAKINUMA, Tetsuya HAYASHI, Keisuke YONEDA
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Publication number: 20160243503Abstract: The present invention provides a composite semipermeable membrane achieving high permeate amount and having high capability to inhibit adhesion of foulants to the membrane surface. The present invention relates to a composite semipermeable membrane including: a supporting membrane which includes a substrate and a porous supporting layer; and a polyamide separation functional layer formed on the porous supporting layer, in which an acidic group-containing hydrophilic polymer is introduced onto the surface of the separation functional layer via amide linkage, and relates to a method for producing such a composite semipermeable membrane.Type: ApplicationFiled: September 30, 2014Publication date: August 25, 2016Applicant: TORAY INDUSTRIES, INC.Inventors: Jun OKABE, Koji NAKATSUJI, Keisuke YONEDA, Tsuyoshi HAMADA