Patents by Inventor Etsuro Tsutsumi
Etsuro Tsutsumi 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: 20240105960Abstract: An electrolytic foil and a battery current collector is provided in which the risk of breakage or tearing during manufacturing presented by reduced thickness can be restrained, and which possess sufficient strength for repeated charging and discharging in a secondary battery. The electrolytic foil and the battery current collector contain a Ni—Fe alloy layer, having a thickness of 1.5 to 10 ?m and having a first surface and a second surface and wherein the value of a three-dimensional surface properties parameter Sv divided by the thickness is equal to or less than 0.5 for the first surface and the second surface.Type: ApplicationFiled: September 29, 2020Publication date: March 28, 2024Inventors: Michio KAWAMURA, Shinichiro HORIE, Etsuro TSUTSUMI, Yuma YOSHIZAKI, Koh YOSHIOKA
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Publication number: 20230340685Abstract: A roughened plated sheet including a roughened plated layer having a roughened nickel plated layer and a zinc plated layer formed on at least one surface of a metal substrate in this order from the metal substrate side, wherein a ten-point average roughness Rzjis of a surface of the roughened plated layer, according to laser microscope measurement, is 3 ?m or more, and the metal substrate is a steel sheet.Type: ApplicationFiled: June 28, 2023Publication date: October 26, 2023Applicant: TOYO KOHAN CO., LTD.Inventors: Hiroki YANAGA, Shinichirou HORIE, Etsuro TSUTSUMI, Masashi ICHISHIMA, Toshifumi KOYANAGI, Koh YOSHIOKA
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Patent number: 11760063Abstract: There is provided a roughened nickel-plated sheet having a roughened nickel layer as an outermost surface layer on at least one surface of a metal base material, wherein the brightness L* of the surface of the roughened nickel layer is 30 to 50, the glossiness of 85° of the surface of the roughened nickel layer is 1.5 to 50.Type: GrantFiled: July 19, 2019Date of Patent: September 19, 2023Assignee: TOYO KOHAN CO., LTD.Inventors: Shinichirou Horie, Etsuro Tsutsumi, Toshifumi Koyanagi, Koh Yoshioka
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Publication number: 20230265575Abstract: [Object] An object of the present invention is to provide an electrolytic foil and a battery current collector capable of restraining the risk of breakage and tearing during manufacturing due to reduction in film thickness and further exhibiting sufficient strength and elongation during repetitive charging and discharging of a secondary battery. Solving Means An electrolytic iron foil in which the electrolytic iron foil is less than 20 ?m in thickness, the electrolytic iron foil has a first surface and a second surface, and a value obtained by dividing a three-dimensional surface texture parameter Sv by the thickness is equal to or less than 0.27 in both the first surface and the second surface.Type: ApplicationFiled: July 15, 2021Publication date: August 24, 2023Inventors: Shinichirou HORIE, Michio KAWAMURA, Etsuro TSUTSUMI, Yuma YOSHIZAKI, Koh YOSHIOKA
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Patent number: 11732376Abstract: Provided is a roughened plated sheet comprising a roughened plated layer having a roughened nickel plated layer and a zinc plated layer formed on at least one surface of a metal substrate in this order from the metal substrate side, wherein a ten-point average roughness Rzjis of a surface of the roughened plated layer, according to laser microscope measurement, is 3 ?m or more.Type: GrantFiled: June 10, 2020Date of Patent: August 22, 2023Assignee: TOYO KOHAN CO., LTD.Inventors: Hiroki Yanaga, Shinichirou Horie, Etsuro Tsutsumi, Masashi Ichishima, Toshifumi Koyanagi, Koh Yoshioka
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Publication number: 20230243056Abstract: It is an object of the present invention to provide an electrolytic iron foil and a battery current collector in which the risk of breakage or tearing during manufacture caused by reduction in film thickness can be suppressed and which have thinness as well as strength and elongation sufficient for withstanding repeated charging and discharging in a secondary battery. An electrolytic iron foil in which, in at least either one surface, a crystallite diameter on (110) plane of iron is equal to or more than 45 nm and the electrolytic iron foil is less than 20 ?m in thickness.Type: ApplicationFiled: July 15, 2021Publication date: August 3, 2023Inventors: Michio KAWAMURA, Shinichiro HORIE, Etsuro TSUTSUMI, Yuma YOSHIZAKI, Koh YOSHIOKA
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Publication number: 20230057775Abstract: A roughened nickel-plated sheet including a roughened nickel layer on at least one surface of a metal substrate as the outermost layer thereof, the roughened nickel layer being formed of a plurality of nickel protrusions. When the structure of the roughened nickel-plated sheet is observed at height positions with a focused ion beam scanning electron microscope (FIB-SEM), the absolute value of the change rate of the nickel occupancy is equal to or less than a predetermined value, and the nickel occupancy and the number of nickel protrusions present at a height position located 2.0 ?m from the base position of the roughened nickel layer toward the surface in the height direction are equal to or more than predetermined values, respectively.Type: ApplicationFiled: January 22, 2021Publication date: February 23, 2023Applicant: TOYO KOHAN CO., LTD.Inventors: Shinichirou HORIE, Etsuro TSUTSUMI, Toshifumi KOYANAGI, Koh YOSHIOKA, Kyoto TAKANO, Shunki OBATA, Satoko HARADA, Keishi KATSURA, Misato UENO
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Publication number: 20220282388Abstract: [Object] To provide a roughened nickel-plated material in which the formation unevenness such as generation of the unevenness or grooves in a roughened nickel plated layer is restrained. [Solving Means] A roughened nickel-plated material including a base material that is a rolled material, and a roughened nickel plated layer formed on at least one surface of the base material, in which SRzjis of the surface of the roughened nickel plated layer is equal to or more than 2 ?m, and, letting a maximum height of the roughened nickel plated layer be SRz, a valley region B in a given virtual planer region A as observed at a height position of SRz×0.25 satisfies the following (i). (i) The length of the valley region B in the rolling direction RD of the base material is less than 40 ?m in a direct distance.Type: ApplicationFiled: July 27, 2020Publication date: September 8, 2022Inventors: Shinichirou HORIE, Etsuro TSUTSUMI, Toshifumi KOYANAGI, Shunki OBATA, Michio KAWAMURA, Koh YOSHIOKA, Naoharu HARADA, Tsuyoshi IRIE, Yonosuke YOSHII
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Publication number: 20220235483Abstract: Provided is a roughened plated sheet comprising a roughened plated layer having a roughened nickel plated layer and a zinc plated layer famed on at least one surface of a metal substrate in this order from the metal substrate side, wherein a ten-point average roughness Rzjis of a surface of the roughened plated layer, according to laser microscope measurement, is 3 ?m or more.Type: ApplicationFiled: June 10, 2020Publication date: July 28, 2022Applicant: TOYO KOHAN CO., LTD.Inventors: Hiroki YANAGA, Shinichirou HORIE, Etsuro TSUTSUMI, Masashi ICHISHIMA, Toshifumi KOYANAGI, Koh YOSHIOKA
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Publication number: 20220209243Abstract: The present invention has as its object the provision of a surface-treated sheet for an alkaline secondary battery, which has gas evolution suppressing effect and also has resistance to an alkaline electrolyte solution. A surface-treated sheet 100 of the present invention for an alkaline secondary battery has a base material 10, and a metal layer 20 formed on at least one side of the base material 10. The metal layer 20 includes an alloy layer 20M that contains Ni and Zn, the alloy layer includes a first region 20A in which a proportion of Ni is 60% to 85% based on a total content of Ni and Zn, and the first region 20A has a thickness of 0.15 ?m or greater.Type: ApplicationFiled: March 3, 2020Publication date: June 30, 2022Inventors: Michio KAWAMURA, Shinichiro HORIE, Etsuro TSUTSUMI, Koh YOSHIOKA
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Publication number: 20220021000Abstract: Provided is a sulfide all-solid battery having an anode current collector of powerful adhesiveness which is difficult to be sulfurized. The sulfide all-solid-state battery including: a cathode layer; an anode layer; and a sulfide solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the anode layer has an anode mixture layer, and an anode current collector on a face of the anode mixture layer, the face being on an opposite side of the sulfide solid electrolyte layer, the anode current collector is electrolytic iron foil that does not substantially contain other elements, and the anode current collector has surface roughness Ra of 0.2 ?m to 0.6 ?m, and surface roughness Rz of 2 ?m to 6 ?m.Type: ApplicationFiled: July 14, 2021Publication date: January 20, 2022Applicants: Toyota Jidosha Kabushiki Kaisha, Toyo Kohan Co., Ltd.Inventors: Hajime Hasegawa, Shigetaka Nagamatsu, Shinichirou Horie, Koh Yoshioka, Toshifumi Koyanagi, Etsuro Tsutsumi, Michio Kawamura, Yuma Yoshizaki
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Publication number: 20210268770Abstract: There is provided a roughened nickel-plated sheet having a roughened nickel layer as an outermost surface layer on at least one surface of a metal base material, wherein the brightness L* of the surface of the roughened nickel layer is 30 to 50, the glossiness of 85° of the surface of the roughened nickel layer is 1.5 to 50.Type: ApplicationFiled: July 19, 2019Publication date: September 2, 2021Applicant: TOYO KOHAN CO., LTD.Inventors: Shinichirou HORIE, Etsuro TSUTSUMI, Toshifumi KOYANAGI, Koh YOSHIOKA
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Publication number: 20210175513Abstract: [Problem] To provide a laminated electrolytic foil having strength sufficient to successfully suppress tearing or ripping during manufacture, the tearing or ripping being concerned accompanying with a trend toward thinner structures in battery current collectors, and improved in handling properties during the manufacture, and also a battery using the laminated electrolytic foil. [Solution] A laminated electrolytic foil includes a first metal layer formed from Cu and a second metal layer formed from Ni or an Ni alloy, in which the first metal layer and the second metal layer are laminated together. The laminated electrolytic foil has an overall layer thickness, which is the thickness of the laminated electrolytic foil as a whole, of 3 to 15 ?m and tensile strength of 700 MPa or higher.Type: ApplicationFiled: February 18, 2019Publication date: June 10, 2021Applicant: Toyo Kohan Co., Ltd.Inventors: Shinichirou HORIE, Etsuro TSUTSUMI, Toshifumi KOYANAGI, Koh YOSHIOKA
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Patent number: 10526109Abstract: Provided is a container-use surface treated steel sheet which is manufactured without using chromium and exhibits excellent working adhesion with a coated organic resin, a method of manufacturing the container-use surface treated steel sheet, an organic resin coated surface treated steel sheet. The container-use surface treated steel sheet is a surface treated steel sheet where nickel plating is applied to at least one-side surface of surfaces of a steel sheet by coating, wherein nickel plating has a fine particle shape formed by fine particles which has particle density of 2 to 500 pieces/?m2 and having an average particle size of 0.05 to 0.7 ?m. The container-use surface treated steel sheet is also characterized in that a coating weight of the nickel plating of the container-use surface treated steel sheet is 0.1 to 12 g/m2, metal tin is contained in coating of the nickel plating, and an amount of metal tin is 0.05 to 0.1 g/m2.Type: GrantFiled: May 24, 2013Date of Patent: January 7, 2020Assignee: TOYO KOHAN CO., LTD.Inventors: Shinichi Taya, Hiroshi Doi, Etsuro Tsutsumi, Kota Sadaki, Masahiro Kai
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Publication number: 20150111057Abstract: Provided is a container-use surface treated steel sheet which is manufactured without using chromium and exhibits excellent working adhesion with a coated organic resin, a method of manufacturing the container-use surface treated steel sheet, an organic resin coated surface treated steel sheet. The container-use surface treated steel sheet is a surface treated steel sheet where nickel plating is applied to at least one-side surface of surfaces of a steel sheet by coating, wherein nickel plating has a fine particle shape formed by fine particles which has particle density of 2 to 500 pieces/?m2 and having an average particle size of 0.05 to 0.7 ?m. The container-use surface treated steel sheet is also characterized in that a coating weight of the nickel plating of the container-use surface treated steel sheet is 0.1 to 12 g/m2, metal tin is contained in coating of the nickel plating, and an amount of metal tin is 0.05 to 0.1 g/m2.Type: ApplicationFiled: May 24, 2013Publication date: April 23, 2015Applicant: TOYO KOHAN CO., LTD.Inventors: Shinichi Taya, Hiroshi Doi, Etsuro Tsutsumi, Kota Sadaki, Masahiro Kai
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Patent number: 8413478Abstract: A method of drawing and ironing a resin film laminated metal sheet for forming a can body having a bottom portion, a can wall portion and a flange-forming portion by drawing the resin film laminated metal sheet obtained by laminating at least one surface of a metal sheet with an organic resin film, followed by ironing by using a punch and a plurality of dies neighboring each other. The can wall is effectively prevented from being broken by a decrease in the thickness of the can wall, and drawn and ironed cans are efficiently formed having a thickness which is decreased as designed.Type: GrantFiled: November 4, 2005Date of Patent: April 9, 2013Assignees: Toyo Kohan Co., Ltd., Toyo Seikan Kaisha, Ltd.Inventors: Hidekazu Tomaru, Shinichi Taya, Masahiro Kai, Junichi Tanabe, Etsuro Tsutsumi, Norihito Saiki
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Publication number: 20090113976Abstract: A method of drawing and ironing a resin film laminated metal sheet for forming a can body having a bottom portion, a can wall portion and a flange-forming portion by drawing the resin film laminated metal sheet obtained by laminating at least one surface of a metal sheet with an organic resin film, followed by ironing by using a punch and a plurality of dies neighboring each other. The can wall is effectively prevented from being broken by a decrease in the thickness of the can wall, and drawn and ironed cans are efficiently formed having a thickness which is decreased as designed.Type: ApplicationFiled: November 4, 2005Publication date: May 7, 2009Applicants: TOYO SEIKAN KAISHA, LTD.,, TOYO KOHAN CO, LTD.,Inventors: Hidekazu Tomaru, Shinichi Taya, Masahiro Kai, Junichi Tanabe, Etsuro Tsutsumi, Norihito Saiki