Patents by Inventor Takuma Yano
Takuma Yano 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: 20240429505Abstract: In a manufacturing method of a battery of embodiments, a pair of terminals are attached to a lid, in which first and second edges along a first direction and third and fourth edges along a second direction intersecting the first direction form an outer periphery, while separating a second terminal from a first terminal to a side where the fourth edge is located. In the manufacturing method, a proximity portion closer to the first terminal than the third edge on the first edge is formed, and an outer periphery of the lid is welded to the outer container by performing laser welding a plurality of times. At least the proximity portion is welded by first laser welding, and one or more of start points and one or more of end points of the plurality of processes of laser welding are located in a range between the terminals.Type: ApplicationFiled: September 10, 2024Publication date: December 26, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kosuke MIZOGUCHI, Kuniaki YAMAMOTO, Shusuke MORITA, Takuma YANO
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Publication number: 20240429571Abstract: According to one embodiment, a secondary battery includes an outer container, an electrode terminal attached to the outer container and including a first junction surface exposed to an outside of the outer container and a second junction surface exposed to an inside of the outer container and opposing the first junction surface, and an electrode body housed in the outer container, including an electrode group and a current collecting tab group containing a plurality of current collecting tabs extending from the electrode group and directly joined to the second junction surface of the electrode terminal.Type: ApplicationFiled: September 3, 2024Publication date: December 26, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshiaki ARAKI, Takuma YANO
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Publication number: 20240405382Abstract: According to one embodiment, a secondary battery includes an outer container with a lid, an electrode body stored in the outer container and including an electrode group, a positive electrode current collecting tab group and a negative electrode current collecting tab group, output terminals on the lid, a positive electrode lead, and a negative electrode lead. A second joint portion of the electrode leads has a first joint surface and a second joint surface opposing each other. A part of current collector tab groups of the same polarity is joined to the first joint surface, and another part of the group of current collector tabs of the same polarity is joined to the second joint surface and opposing the part of the current collector tab groups across the second joint portion.Type: ApplicationFiled: August 15, 2024Publication date: December 5, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takuma YANO, Shusuke MORITA, Yoshiaki ARAKI
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Publication number: 20230011735Abstract: In an embodiment, a battery includes a container member, an electrode terminal, an electrode group, a conductive member, a first recess and a second recess. Then electrode terminal is disposed in the container member. The electrode group is housed in the container member, and includes a current collector and an active material-containing layer. The conductive member electrically connects the electrode terminal and the current collecting tab of the current collector. The first and second recesses are recessed toward the conductive member in a connecting portion between the current collecting tab and the conductive member. The second recess located on an outer periphery side of the first recess has a maximum recess depth smaller than a maximum recess depth of the first recess.Type: ApplicationFiled: September 19, 2022Publication date: January 12, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takuma Yano, Shusuke Morita, Yoshiaki Araki
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Patent number: 10072143Abstract: Disclosed is an aqueous polyolefin resin dispersion including a polyolefin resin and an aqueous medium, wherein the polyolefin resin includes an olefin component and an unsaturated carboxylic acid component as copolymer components; the olefin component includes propylene (A) and an olefin(s) (B) other than propylene; the mass ratio (A/B) between the propylene (A) and the olefin(s) (B) other than propylene is 60/40 to 95/5; the content of the unsaturated carboxylic acid component as the copolymer component is 1 part by mass or more in relation to 100 parts by mass of the total mass of (A) and (B); and the content of the unsaturated carboxylic acid monomer in the dry residue of the aqueous dispersion is 10,000 ppm or less.Type: GrantFiled: December 3, 2014Date of Patent: September 11, 2018Assignee: Unitika Ltd.Inventors: Haruki Ohfuji, Nobuyasu Okumura, Takuma Yano, Kenjin Shiba
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Patent number: 9957422Abstract: Disclosed is an adhesive for packaging materials being in a form of an aqueous dispersion including an acid-modified polyolefin resin containing a (meth)acrylic acid ester component, polyvinyl alcohol and an aqueous medium, wherein the content of polyvinyl alcohol is 0.1 to 10 parts by mass in relation to 100 parts by mass of the acid-modified polyolefin resin. Also disclosed is a packaging material using the adhesive wherein a barrier layer, an adhesive layer formed of a coating film obtained from the adhesive, and a sealant layer are laminated in this order.Type: GrantFiled: June 19, 2013Date of Patent: May 1, 2018Assignee: Unitika Ltd.Inventors: Kenjin Shiba, Takamasa Yoshino, Takuma Yano
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Patent number: 9556352Abstract: The present invention provides a primer for footwear constituting members, wherein the primer includes an acid-modified polyolefin resin and a medium; the acid-modified polyolefin resin is a copolymer including an olefin unit and an unsaturated carboxylic acid unit; the copolymer includes as the olefin unit, a propylene unit (A) and an olefin unit (B) other than the propylene unit; the mass ratio (A/B) between the propylene unit (A) and the olefin unit (B) other than the propylene unit is 60/40 to 95/5; and the content of the unsaturated carboxylic acid unit is 0.1 to 10 parts by mass in relation to 100 parts by mass of the total amount of (A) and (B).Type: GrantFiled: December 4, 2013Date of Patent: January 31, 2017Assignee: UNITIKA LTD.Inventors: Takuma Yano, Kenjin Shiba
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Patent number: 9534112Abstract: A molded article formed of a composition including 100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins, and 0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and a vinyl group-containing compound having a defined number average molecular weight, a derivative thereof, or a mixture of these, —Si(R1)H—Y1—??(1) wherein R1 and Y1 are defined and with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and having two or more SH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound.Type: GrantFiled: January 18, 2012Date of Patent: January 3, 2017Assignee: MITSUI CHEMICALS, INC.Inventors: Kaori Matoishi, Takuma Yano, Hiromasa Marubayashi, Naoki Tomoshige, Naoshi Nagai, Tamotsu Harada, Kuniaki Kawabe
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Publication number: 20160280901Abstract: Disclosed is an aqueous polyolefin resin dispersion including a polyolefin resin and an aqueous medium, wherein the polyolefin resin includes an olefin component and an unsaturated carboxylic acid component as copolymer components; the olefin component includes propylene (A) and an olefin(s) (B) other than propylene; the mass ratio (A/B) between the propylene (A) and the olefin(s) (B) other than propylene is 60/40 to 95/5; the content of the unsaturated carboxylic acid component as the copolymer component is 1 part by mass or more in relation to 100 parts by mass of the total mass of (A) and (B); and the content of the unsaturated carboxylic acid monomer in the dry residue of the aqueous dispersion is 10,000 ppm or less.Type: ApplicationFiled: December 3, 2014Publication date: September 29, 2016Applicant: UNITIKA LTD.Inventors: Haruki Ohfuji, Nobuyasu Okumura, Takuma Yano, Kenjin Shiba
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Patent number: 9193892Abstract: An aqueous dispersion including an acid-modified polyolefin resin (A) having a content of an unsaturated carboxylic acid component of 0.1 to 10% by mass, a rubber component (B), a tackifier component (C) and an aqueous medium, wherein in relation to 100 parts by mass of the acid-modified polyolefin resin (A), the content of the rubber component (B) is 5 to 1900 parts by mass, and in relation to 100 parts by mass of the total amount of the acid-modified polyolefin resin (A) and the rubber component (B), the content of the tackifier component (C) is 5 to 300 parts by mass.Type: GrantFiled: June 14, 2012Date of Patent: November 24, 2015Assignee: UNITIKA LTD.Inventor: Takuma Yano
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Publication number: 20150315400Abstract: The present invention provides a primer for footwear constituting members, wherein the primer includes an acid-modified polyolefin resin and a medium; the acid-modified polyolefin resin is a copolymer including an olefin unit and an unsaturated carboxylic acid unit; the copolymer includes as the olefin unit, a propylene unit (A) and an olefin unit (B) other than the propylene unit; the mass ratio (A/B) between the propylene unit (A) and the olefin unit (B) other than the propylene unit is 60/40 to 95/5; and the content of the unsaturated carboxylic acid unit is 0.1 to 10 parts by mass in relation to 100 parts by mass of the total amount of (A) and (B).Type: ApplicationFiled: December 4, 2013Publication date: November 5, 2015Applicant: UNITIKA LTD.Inventors: Takuma Yano, Kenjin Shiba
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Publication number: 20150140348Abstract: Disclosed is an adhesive for packaging materials being in a form of an aqueous dispersion including an acid-modified polyolefin resin containing a (meth)acrylic acid ester component, polyvinyl alcohol and an aqueous medium, wherein the content of polyvinyl alcohol is 0.1 to 10 parts by mass in relation to 100 parts by mass of the acid-modified polyolefin resin. Also disclosed is a packaging material using the adhesive wherein a barrier layer, an adhesive layer formed of a coating film obtained from the adhesive, and a sealant layer are laminated in this order.Type: ApplicationFiled: June 19, 2013Publication date: May 21, 2015Applicant: UNITIKA LTD.Inventors: Kenjin Shiba, Takamasa Yoshino, Takuma Yano
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Publication number: 20140137435Abstract: An aqueous dispersion including an acid-modified polyolefin resin (A) having a content of an unsaturated carboxylic acid component of 0.1 to 10% by mass, a rubber component (B), a tackifier component (C) and an aqueous medium, wherein in relation to 100 parts by mass of the acid-modified polyolefin resin (A), the content of the rubber component (B) is 5 to 1900 parts by mass, and in relation to 100 parts by mass of the total amount of the acid-modified polyolefin resin (A) and the rubber component (B), the content of the tackifier component (C) is 5 to 300 parts by mass.Type: ApplicationFiled: June 14, 2012Publication date: May 22, 2014Applicant: UNITIKA LTD.Inventor: Takuma Yano
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Patent number: 8637152Abstract: Disclosed is a packaging material, wherein a barrier layer, an adhesive layer and a sealant layer are laminated in this order, and the adhesive layer includes an acid-modified polyolefin resin that contains a (meth)acrylic acid ester component. The packaging material is preferably produced by forming on the barrier layer the adhesive layer including the acid-modified polyolefin resin that contains a (meth)acrylic acid ester component, and by subsequently laminating a molten sealant resin on the adhesive layer by extrusion lamination.Type: GrantFiled: September 6, 2007Date of Patent: January 28, 2014Assignee: Unitika Ltd.Inventors: Kenjin Shiba, Takuma Yano, Masafumi Yamada, Takamasa Yoshino
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Publication number: 20130344273Abstract: A molded article formed of a composition including 100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins, and 0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and a vinyl group-containing compound having a defined number average molecular weight, a derivative thereof, or a mixture of these, —Si(R1)H—Y1—??(1) wherein R1 and Y1 are defined and with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and having two or more SH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound.Type: ApplicationFiled: January 18, 2012Publication date: December 26, 2013Applicant: Mitsui Chemicals, Inc.Inventors: Kaori Matoishi, Takuma Yano, Hiromasa Marubayashi, Naoki Tomoshige, Naoshi Nagai, Tamotsu Harada, Kuniaki Kawabe
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Publication number: 20090269580Abstract: Disclosed is a packaging material, wherein a barrier layer, an adhesive layer and a sealant layer are laminated in this order, and the adhesive layer includes an acid-modified polyolefin resin that contains a (meth)acrylic acid ester component. The packaging material is preferably produced by forming on the barrier layer the adhesive layer including the acid-modified polyolefin resin that contains a (meth)acrylic acid ester component, and by subsequently laminating a molten sealant resin on the adhesive layer by extrusion lamination.Type: ApplicationFiled: September 6, 2007Publication date: October 29, 2009Inventors: Kenjin Shiba, Takuma Yano, Masafumi Yamada, Takamasa Yoshino
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Publication number: 20090018237Abstract: A polylactic acid-containing resin composition is provided which comprises 100 parts by mass of a resin containing 20 to 98 mass % of polymethyl methacrylate and 80 to 2 mass % of polylactic acid, and 1 to 100 parts by mass of an impact resistance improving material. The impact resistance improving material is a polymeric material comprising an acrylic monomer unit. The impact resistance improving material has a refractive index of 1.402 to 1.542. The resin composition is excellent in heat resistance, moldability, durability, transparency and impact resistance.Type: ApplicationFiled: June 15, 2005Publication date: January 15, 2009Applicant: UNITIKA LTD.Inventors: Shigeta Fujii, Tatsuya Matsumoto, Kazue Ueda, Takuma Yano
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Patent number: 7449510Abstract: It is intended to provide a biodegradable polyester resin composition which is excellent in gas barrier properties, mechanical strength and heat resistance and has Theological characteristics advantageously usable in molding a foamed article, etc., a process for producing the same, and a foamed article and a molded article using the same. The biodegradable polyester resin composition contains 100 parts by mass of a biodegradable polyester resin containing 59% mole or more of a hydroxycarboxylic acid unit, 0.01 to 10 parts by mass of a (meth)acrylic acid ester compound and 0.05 to 20 parts by mass of a layered silicate.Type: GrantFiled: May 12, 2003Date of Patent: November 11, 2008Assignee: Unitika Ltd.Inventors: Kazue Ueda, Fumio Matsuoka, Akinobu Ogami, Tatsuya Matsumoto, Takuma Yano, Kazuko Yoshimura, Kazunobu Yamada, Masami Okamoto
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Publication number: 20080249227Abstract: A resin composition comprising 10 to 99 mass % of a biodegradable aliphatic polyester resin (X), and 90 to 1 mass % of a polyolefin resin (Y). The resin composition preferably has a total light transmittance of not higher than 60% as measured with respect to a 3-mm thick test piece in conformity with JIS K7105, or the polyolefin resin (Y) preferably forms a continuous phase in the resin composition.Type: ApplicationFiled: October 7, 2004Publication date: October 9, 2008Inventors: Kazue Ueda, Tatsuya Matsumoto, Takuma Yano, Makoto Nakai, Tsuyoshi Furukawa
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Patent number: 7351772Abstract: An aliphatic polyester resin composition is provided which is excellent in heat resistance, moldability and hydrolysis resistance. The aliphatic polyester resin composition comprises a biodegradable polyester resin (A) essentially including an ?- and/or ?-hydroxycarboxylic acid unit and crosslinked by at least one crosslinking agent (B) selected from the group consisting of (meth)acrylate compounds and polyvalent isocyanate compounds, wherein some or all of carboxyl groups of the resin (A) are blocked by 0.01 to 20 parts by mass of a terminal blocking agent (C) based on 100 parts by mass of the resin (A).Type: GrantFiled: June 24, 2004Date of Patent: April 1, 2008Assignee: Unitika Ltd.Inventors: Takuma Yano, Kazue Ueda, Fumio Matsuoka, Tatsuya Matsumoto