Patents by Inventor Kenji Yoshino
Kenji Yoshino 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: 12214571Abstract: A molding packaging material is capable of ensuring good slipperiness to secure good formability when molding the molding packaging material and is less likely to cause white powder on a surface of the packaging material. The molding packaging material includes a substrate layer as an outer layer, a heat fusible resin layer as an inner layer, and a metal foil layer arranged between the two layers. The heat fusible resin layer is composed of a single layer or a multi-layer. The innermost layer of the heat fusible resin layer is made of a resin composition containing a heat fusible resin, an anti-blocking agent, a slip agent, and a fluoropolymer-based lubricant.Type: GrantFiled: August 8, 2023Date of Patent: February 4, 2025Assignee: Resonac Packaging CorporationInventors: Kenji Yoshino, Makoto Karatsu, Takashi Nagaoka
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Publication number: 20250029774Abstract: A coil component includes an element body including a pair of end surfaces opposing each other, and a coil disposed in the element body. The coil includes at least one coil conductor. The element body includes a pair of first element body portions each including a corresponding end surface of the pair of end surfaces, and a second element body portion between the pair of first element body portions. The second element body portion includes a first region and a second region disposed at positions different from each other in the direction. The second region has relative permeability smaller than relative permeability of the first region and relative permittivity smaller than relative permittivity of the first region. The at least one coil conductor includes a coil conductor disposed in the second element body portion.Type: ApplicationFiled: July 15, 2024Publication date: January 23, 2025Applicant: TDK CorporationInventors: Yuya Oshima, Kouichi Kakuda, Kenji Komorita, Takuya Niibori, Shinichi Kondo, Shigeshi Osawa, Kaori Sasaki, Makoto Yoshino, Kazuma Sugawara
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Publication number: 20240291080Abstract: A packaging material for a power storage device includes a metal foil layer, a resin substrate layer, an adhesive layer, and a heat-fusible layer. The heat-fusible layer includes a metal foil side layer portion and a seal layer portion arranged on an innermost surface. When particles with an average particle size of 0.05 ?m or more and less than 5 ?m are defined as “micro particles,” and particles with an average particle size of 5 ?m or more and 20 ?m or less are defined as “coarse particles,” the seal layer portion is configured by a layer containing the micro particles and the coarse particles. The metal foil side layer portion is configured by a layer that contains the micro particles and does not contain particles with an actual particle size of 5 ?m or more.Type: ApplicationFiled: May 8, 2024Publication date: August 29, 2024Applicant: Resonac Packaging CorporationInventors: Naoya KODA, Kenji YOSHINO, Daisuke NAKAJIMA
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Patent number: 11845841Abstract: Provided are a foldable display that is excellent in mass production applicability, and that does not have image distortion that can appear in the folding portion after the display is repeatedly folded; and a mobile device equipped with such a foldable display. Provided are a polyester film for surface protection films and a hard coating film for surface protection films for the foldable display and mobile device. The polyester film is for foldable display surface protection films, wherein the polyester film is cut in sheet form, the polyester film has a thickness of 10 to 75 ?m, the polyester film has an intrinsic viscosity of 0.55 to 0.65 dl/g, and the amount of rise of a cut plane on at least one side of one or more cut end portions is 35 ?m or less. The hard coating film, the foldable display, and the mobile device use the polyester film for foldable display surface protection films.Type: GrantFiled: April 3, 2019Date of Patent: December 19, 2023Assignee: TOYOBO CO., LTD.Inventors: Kenji Yoshino, Kiwamu Kawai, Shotaro Nishio
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Publication number: 20230382084Abstract: A molding packaging material is capable of ensuring good slipperiness to secure good formability when molding the molding packaging material and is less likely to cause white powder on a surface of the packaging material. The molding packaging material includes a substrate layer as an outer layer, a heat fusible resin layer as an inner layer, and a metal foil layer arranged between the two layers. The heat fusible resin layer is composed of a single layer or a multi-layer. The innermost layer of the heat fusible resin layer is made of a resin composition containing a heat fusible resin, an anti-blocking agent, a slip agent, and a fluoropolymer-based lubricant.Type: ApplicationFiled: August 8, 2023Publication date: November 30, 2023Applicant: SHOWA DENKO PACKAGING CO., LTD.Inventors: Kenji YOSHINO, Makoto KARATSU, Takashi NAGAOKA
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Patent number: 11766848Abstract: Provided is a molding packaging material which is capable of ensuring good slipperiness to secure good formability when molding the molding packaging material and is less likely to cause white powder on a surface of the packaging material. The molding packaging material includes a substrate layer 2 as an outer layer, a heat fusible resin layer 3 as an inner layer, and a metal foil layer 4 arranged between the two layers. The heat fusible resin layer 3 is composed of a single layer or a multi-layer. The innermost layer of the heat fusible resin layer 3 is made of a resin composition containing a heat fusible resin, an anti-blocking agent, a slip agent, and a fluoropolymer-based lubricant.Type: GrantFiled: August 17, 2018Date of Patent: September 26, 2023Assignee: SHOWA DENKO PACKAGING CO., LTD.Inventors: Kenji Yoshino, Makoto Karatsu, Takashi Nagaoka
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Patent number: 11446902Abstract: Provided is a molding packaging material capable of sealing without causing sealing failure, significantly reducing cleaning frequency of a seal bar to improve productivity, and preventing occurrence of delamination. The molding packaging material includes a PBT terephthalate (PBT) layer 2, a heat fusible resin layer 3, and a metal foil layer 4 between the two layers. The PBT layer 2 and the metal foil layer 4 are bonded via an outer adhesive layer 5. The outer adhesive layer 5 is formed of a urethane adhesive cured film composed of a polyester polyol, a polyfunctional isocyanate compound, and polyhydric alcohol. The polyester polyol contains a dicarboxylic acid component, the dicarboxylic acid component includes an aromatic dicarboxylic acid. The dicarboxylic acid component contains an aromatic dicarboxylic acid. The content rate of the aromatic dicarboxylic acid in the dicarboxylic acid component is 40 mol % to 80 mol %. The Young's modulus of the cured film of the urethane adhesive is 70 MPa to 400 MPa.Type: GrantFiled: June 28, 2018Date of Patent: September 20, 2022Assignee: SHOWA DENKO PACKAGING CO., LTD.Inventors: Kenji Yoshino, Yuji Minamibori, Katsumi Tanaka
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Publication number: 20210376417Abstract: A laminated body includes a barrier layer made of metal, a base material layer made of a heat-resistant resin laminated on an outer side surface of the barrier layer, and a sealant layer made of a heat sealable resin laminated to an inner side surface of the barrier layer. The base material layer includes a polyester film layer as an outer layer and a polyamide film layer as an inner layer. The polyester film layer is 500 MPa to 600 MPa in a sum of breaking strength in an MD and breaking strength in a TD, 0.8 to 1.1 in a ratio of the breaking strength in the TD to the breaking strength in the MD, and 110% to 200% in breaking elongation in the MD and breaking elongation in the TD. The MD denotes a machine flow direction, and the TD denotes a direction perpendicular to the MD.Type: ApplicationFiled: May 28, 2021Publication date: December 2, 2021Applicant: SHOWA DENKO PACKAGING CO., LTD.Inventor: Kenji YOSHINO
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Publication number: 20210362473Abstract: Provided is a molding packaging material which is capable of ensuring good slipperiness to secure good formability when molding the molding packaging material and is less likely to cause white powder on a surface of the packaging material. The molding packaging material includes a substrate layer 2 as an outer layer, a heat fusible resin layer 3 as an inner layer, and a metal foil layer 4 arranged between the two layers. The heat fusible resin layer 3 is composed of a single layer or a multi-layer. The innermost layer of the heat fusible resin layer 3 is made of a resin composition containing a heat fusible resin, an anti-blocking agent, a slip agent, and a fluoropolymer-based lubricant.Type: ApplicationFiled: August 17, 2018Publication date: November 25, 2021Applicant: SHOWA DENKO PACKAGING CO., LTD.Inventors: Kenji YOSHINO, Makoto KARATSU, Takashi NAGAOKA
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Publication number: 20210179794Abstract: Provided are a foldable display that is excellent in mass production applicability, and that does not have image distortion that can appear in the folding portion after the display is repeatedly folded; and a mobile device equipped with such a foldable display. Provided are a polyester film for surface protection films and a hard coating film for surface protection films for the foldable display and mobile device. The polyester film is for foldable display surface protection films, wherein the polyester film is cut in sheet form, the polyester film has a thickness of 10 to 75 ?m, the polyester film has an intrinsic viscosity of 0.55 to 0.65 dl/g, and the amount of rise of a cut plane on at least one side of one or more cut end portions is 35 ?m or less. The hard coating film, the foldable display, and the mobile device use the polyester film for foldable display surface protection films.Type: ApplicationFiled: April 3, 2019Publication date: June 17, 2021Applicant: TOYOBO CO., LTD.Inventors: Kenji YOSHINO, Kiwamu KAWAI, Shotaro NISHIO
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Patent number: 10967552Abstract: A void-containing polyester is disclosed which is excellent in concealing properties, whiteness, and thermal dimensional stability. A void-containing polyester film includes an internal void-containing layer (layer A). The void-containing layer contains a polyester matrix resin and a polypropylene dispersed resin, and satisfies the following requirements (1) to (3), and an apparent density of the film is in a range of 0.8 to 1.2 g/cm3. (1) A melt viscosity (?1) of the polyester resin at a melting temperature of 280° C. and a shear rate of 121.6 sec?1 is 90 to 400 Pa·s (2) A melt viscosity (?2) of the polypropylene resin at a melting temperature of 280° C. and a shear rate of 121.6 sec?1 is 300 to 850 Pa·s (3) A melt viscosity ratio (?2/?1) of the polyester resin and the polypropylene resin at a melting temperature of 280° C. and a shear rate of 121.6 sec?1 is 1.5 to 4.5.Type: GrantFiled: March 22, 2017Date of Patent: April 6, 2021Assignee: TOYOBO CO., LTD.Inventors: Shoji Deguchi, Kenji Yoshino
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Patent number: 10847763Abstract: A packaging material for a power storage device includes a heat resistant resin layer 2 as an outer layer, a sealant layer 3 as an inner layer, and a metal foil layer 4 arranged between these layers. The sealant layer 3 is composed of one layer or a plurality of layers. The innermost layer 7 of the sealant layer contains a random copolymer containing propylene as a copolymerization component and another copolymerization component other than propylene, a roughening material, and a lubricant. The roughening material is composed of particles containing a thermoplastic resin. The center line average roughness Ra of the surface 7a of the innermost layer 7 is 0.05 ?m to 1 ?m. It can provide a packaging material for a power storage device which is excellent in formability and hard to generate white powder on the surface.Type: GrantFiled: October 31, 2017Date of Patent: November 24, 2020Assignee: SHOWA DENKO PACKAGING CO., LTD.Inventors: Kenji Yoshino, Makoto Karatsu
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Publication number: 20200215795Abstract: Provided is a molding packaging material capable of sealing without causing sealing failure, significantly reducing cleaning frequency of a seal bar to improve productivity, and preventing occurrence of delamination. The molding packaging material includes a PBT terephthalate (PBT) layer 2, a heat fusible resin layer 3, and a metal foil layer 4 between the two layers. The PBT layer 2 and the metal foil layer 4 are bonded via an outer adhesive layer 5. The outer adhesive layer 5 is formed of a urethane adhesive cured film composed of a polyester polyol, a polyfunctional isocyanate compound, and polyhydric alcohol. The polyester polyol contains a dicarboxylic acid component, the dicarboxylic acid component includes an aromatic dicarboxylic acid. The dicarboxylic acid component contains an aromatic dicarboxylic acid. The content rate of the aromatic dicarboxylic acid in the dicarboxylic acid component is 40 mol % to 80 mol %. The Young's modulus of the cured film of the urethane adhesive is 70 MPa to 400 MPa.Type: ApplicationFiled: June 28, 2018Publication date: July 9, 2020Applicant: SHOWA DENKO PACKAGING CO., LTD.Inventors: Kenji YOSHINO, Yuji MINAMIBORI, Katsumi TANAKA
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Patent number: 10290840Abstract: A battery packaging material includes a stretched heat-resistant resin film layer as an outer layer which is laminated and integrated on one surface of an aluminum foil layer through a first adhesive layer; and a non-stretched thermoplastic resin film layer which is laminated and integrated as an inner layer on the other surface of the aluminum foil layer through a second adhesive layer, in which the second adhesive layer is an adhesive layer which is formed by a dry lamination method and whose melting point is 60° C. to 100° C., the adhesion strength of the inner layer and the aluminum foil layer is 3.0 N/15 mm width or more at 80° C., and the adhesion strength is 2.0 N/15 mm width or less at 120° C.Type: GrantFiled: May 29, 2014Date of Patent: May 14, 2019Assignee: Showa Denko Packaging Co., Ltd.Inventor: Kenji Yoshino
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Publication number: 20190140222Abstract: A packaging film is formed by a laminated film including a plurality of layers, and is configured to be bent into a tube-shape to form a tube-type packaging member having flexibility. Further, the packaging film includes an innermost layer, an outermost layer, and a barrier layer arranged between innermost layer and the outermost layer, as the plurality of layers. The barrier layer is a metallic layer. The innermost layer and the outermost layer are each formed by a thermal fusion resin layer. An adhesive agent bonding overlapped adjacent layers of the plurality of layers has electrolyte resistance.Type: ApplicationFiled: January 3, 2019Publication date: May 9, 2019Inventor: Kenji YOSHINO
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Publication number: 20190084206Abstract: A void-containing polyester is disclosed which is excellent in concealing properties, whiteness, and thermal dimensional stability. A void-containing polyester film includes an internal void-containing layer (layer A). The void-containing layer contains a polyester matrix resin and a polypropylene dispersed resin, and satisfies the following requirements (1) to (3), and an apparent density of the film is in a range of 0.8 to 1.2 g/cm3. (1) A melt viscosity (?1) of the polyester resin at a melting temperature of 280° C. and a shear rate of 121.6 sec?1 is 90 to 400 Pa·s (2) A melt viscosity (?2) of the polypropylene resin at a melting temperature of 280° C. and a shear rate of 121.6 sec?1 is 300 to 850 Pa·s (3) A melt viscosity ratio (?2/?1) of the polyester resin and the polypropylene resin at a melting temperature of 280° C. and a shear rate of 121.6 sec?1 is 1.5 to 4.Type: ApplicationFiled: March 22, 2017Publication date: March 21, 2019Applicant: TOYOBO CO., LTD.Inventors: Shoji Deguchi, Kenji Yoshino
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Patent number: 10066120Abstract: A urethane composition is disclosed for a coating film waterproof material which does not contain any of specific chemical substances, has work efficiency that is the same as that of a general-purpose highly extensible urethane coating film waterproof material, an elongation rate of a highly extensible urethane coating film waterproof material, and strength of a high-strength urethane coating film waterproof material, has no decrease in weather resistance of a top coat resulting from a plasticizer, and is suitable for a non-bleeding type of coating by hand that is not affected by migration of a low fraction of asphalt.Type: GrantFiled: May 23, 2014Date of Patent: September 4, 2018Assignee: DYFLEX CORPORATIONInventors: Kenji Yoshino, Yoichi Kai
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Publication number: 20180123093Abstract: A packaging material for a power storage device includes a heat resistant resin layer 2 as an outer layer, a sealant layer 3 as an inner layer, and a metal foil layer 4 arranged between these layers. The sealant layer 3 is composed of one layer or a plurality of layers. The innermost layer 7 of the sealant layer contains a random copolymer containing propylene as a copolymerization component and another copolymerization component other than propylene, a roughening material, and a lubricant. The roughening material is composed of particles containing a thermoplastic resin. The center line average roughness Ra of the surface 7a of the innermost layer 7 is 0.05 ?m to 1 ?m. It can provide a packaging material for a power storage device which is excellent in formability and hard to generate white powder on the surface.Type: ApplicationFiled: October 31, 2017Publication date: May 3, 2018Applicant: SHOWA DENKO PACKAGING CO., LTD.Inventors: Kenji YOSHINO, Makoto KARATSU
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Patent number: 9890285Abstract: An asphalt-urethane composition is disclosed which does not contain any of specific chemical substances, has adhesiveness to mineral-surfaced asphalt roofing and an asphalt groundwork, exhibits performance in temporary waterproofing with respect to the asphalt groundwork, performs adhesion of sand to the surface layer of the mineral-surfaced asphalt roofing and adjustment of irregularity, has adhesiveness of integrating with a urethane waterproof layer applied thereon, has excellent workability, construction efficiency, water resistance, and hot water resistance, has high strength and elasticity, has low temperature sensitivity, and has excellent finish properties. The asphalt-urethane composition can contain at least a component (A) obtained by adding an MDI prepolymer generated by reacting polyolefin polyol having two or more hydroxyl groups, short-chain polyhydric alcohol, and a monomer of MDI, a monomer of MDI, and a solvent a; and a component (B) including asphalt, a catalyst, and a solvent b.Type: GrantFiled: May 23, 2014Date of Patent: February 13, 2018Assignee: DYFLEX CORPORATIONInventors: Kenji Yoshino, Yoichi Kai
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Patent number: 9425449Abstract: An outer packaging material for a battery includes a heat resistant stretched resin film layer as an outer layer integrally laminated on one of surfaces of an aluminum foil layer via a first adhesive layer. A thermoplastic unstretched resin film layer as an inner layer is integrally laminated on the other surface of the aluminum foil layer via a second adhesive layer. An adhesive strength between the inner layer and the aluminum foil layer is 4N/15 mm-width to 30N/15 mm-width, and an adhesive strength between the outer layer and the aluminum foil layer is 2N/15 mm-width to 14N/15 mm-width. As a thermoplastic unstretched resin film constituting the inner layer, a thermoplastic unstretched resin film having a sealing strength of two sheets of the thermoplastic unstretched resin films arranged one on the other and heat sealed exceeding 30N/15 mm-width but not exceeding 110N/15 mm-width is used.Type: GrantFiled: October 10, 2013Date of Patent: August 23, 2016Assignee: Showa Denko Packaging Co., Ltd.Inventor: Kenji Yoshino