Patents by Inventor Masataka Okushita
Masataka Okushita 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: 20080182097Abstract: In a packaging body provided with at least an inner layer composed of a thermal-adhesive polyolefin based resin and a barrier layer composed of a metal foil, in which metal terminals are sealed by the thermal-adhesive resin with unconnected ends of the metal terminals protruding outside, an adhesive sheet for sealing metal terminals of a flat electrochemical cell which is not only able to prevent a short circuit between the barrier layer and the metal terminals but high in a layer-to-layer adhesive strength and a low possibility of a reduction in battery performance to be caused due to invasion of moisture is provided. In the adhesive sheet for sealing a metal terminal part of a flat electrochemical cell according to the invention, a fibrous sheet or a porous sheet is covered by the inner layer and an acid-modified polyolefin based resin layer having adhesive properties.Type: ApplicationFiled: September 20, 2007Publication date: July 31, 2008Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Youichi Mochizuki, Masataka Okushita, Hiroshisa Akita, Sumito Nishida
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Publication number: 20070117702Abstract: A heat-insulating container is used for an instant dried food and is excellent in heat-insulating property, design and economy. The container comprises a paper cup body with a bottom, which has an inner surface coated with a polyolefin resin and is provided with an outward curled portion formed at an upper opening end of the cup body and at least one horizontal rib formed on a side wall of the cup body so as to project outward therefrom; and an inverse-frustoconical paper sleeve provided with an inward curled portion formed at a lower end of the sleeve. The cup body and the sleeve are integrally combined with each other so that an upper end of the sleeve is joined to an outer periphery of the side wall of the cup body, which is adjacent to the outward curled portion of the cup body, and an inner surface of the inward curled portion of the sleeve is joined to an outer periphery of a lower portion of the side wall of the cup body.Type: ApplicationFiled: December 19, 2006Publication date: May 24, 2007Inventors: Masataka Okushita, Kazuki Yamada, Yuichi Hirai, Yoichi Mochizuki, Kenichi Endo
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Patent number: 7175585Abstract: A heat-insulating container is used for an instant dried food and is excellent in heat-insulating property, design and economy. The container comprises a paper cup body with a bottom, which has an inner surface coated with a polyolefin resin and is provided with an outward curled portion formed at an upper opening end of the cup body and at least one horizontal rib formed on a side wall of the cup body so as to project outward therefrom; and an inverse-frustoconical paper sleeve provided with an inward curled portion formed at a lower end of the sleeve. The cup body and the sleeve are integrally combined with each other so that an upper end of the sleeve is joined to an outer periphery of the side wall of the cup body, which is adjacent to the outward curled portion of the cup body, and an inner surface of the inward curled portion of the sleeve is joined to an outer periphery of a lower portion of the side wall of the cup body.Type: GrantFiled: October 27, 2003Date of Patent: February 13, 2007Assignee: Dai Nippon Printing Co., Ltd.Inventors: Masataka Okushita, Kazuki Yamada, Yuichi Hirai, Yoichi Mochizuki, Kenichi Endo
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Publication number: 20060172191Abstract: A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), and an innermost layer (63). The chemical conversion coatings (64a, 64b) are formed by processing the opposite surfaces of the aluminum layer (62) by a phosphate treatment method. The base layer (61) and the innermost layer (63) are bonded to the chemical conversion coatings (64a, 64b) of the aluminum layer (62) with adhesive layers (65a, 65b), respectively.Type: ApplicationFiled: March 20, 2006Publication date: August 3, 2006Applicant: Dai Nippon Printing Co., Ltd.Inventors: Takanori Yamashita, Masataka Okushita, Kazuki Yamada, Rikiya Yamashita, Hiroshi Miyama, Youichi Mochizuki
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Publication number: 20060141357Abstract: A lithium battery (1) has a battery module (2), a battery package (5) for holding the battery module (2) therein, and leads (4) extending from the battery module (2) and projecting outside from the battery package (5). The battery package (5) is formed from a laminated sheet (10), and a peripheral part (9) of the battery package (5) is heat-sealed. Lead-insulating films (6) are interposed between the peripheral part (9) of the package (5) and the leads (4). Each of the lead-insulating films includes a heat-resistant base film (22), a polyolefin resin layer (21) formed on one of the surfaces of the base film (22) on the side of the laminated sheet (10), and an acid-modified polyolefin resin layer (23) formed on the other surface of the base film (22) on the side of the lead (4).Type: ApplicationFiled: December 19, 2005Publication date: June 29, 2006Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Rikiya Yamashita, Kazuki Yamada, Masataka Okushita
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Patent number: 7048822Abstract: A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), and an innermost layer (63). The chemical conversion coatings (64a, 64b) are formed by processing the opposite surfaces of the aluminum layer (62) by a phosphate treatment method. The base layer (61) and the innermost layer (63) are bonded to the chemical conversion coatings (64a, 64b) of the aluminum layer (62) with adhesive layers (65a, 65b), respectively.Type: GrantFiled: December 18, 2000Date of Patent: May 23, 2006Assignee: Dai Nippon Printing Co., Ltd.Inventors: Takanori Yamashita, Masataka Okushita, Kazuki Yamada, Rikiya Yamashita, Hiroshi Miyama, Youichi Mochizuki
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Patent number: 7041380Abstract: Disclosed is a packaging material for forming an armor body for a battery, the armor body being adapted for use in such a manner that a battery body is inserted into the armor body and the peripheral edge of the armor body is then heat sealed for hermetic sealing, the packaging material being a laminate comprising at least a substrate layer, an adhesive layer, a barrier layer, a dry laminate layer, and a sealant layer, characterized in that at least the sealant layer comprises a low-fluidity polypropylene layer having low susceptibility to collapse upon exposure to heat and pressure at the time of heat sealing and a high-fluidity polypropylene layer having high susceptibility to collapse upon exposure to heat and pressure at the time of heat sealing, and the innermost layer is the high-fluidity polypropylene layer. This battery packaging material can impart moisture barrier properties and resistance to contents of the battery.Type: GrantFiled: June 17, 2002Date of Patent: May 9, 2006Assignee: Dai Nippon Printing Co., Ltd.Inventors: Rikiya Yamashita, Yoichi Mochizuki, Kazuki Yamada, Masataka Okushita
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Publication number: 20060093906Abstract: The present invention relates to a layered product in which at least an aluminum foil, a chemical conversion layer, an olefinic resin layer having an adhesive property to metal and a thermal bonding resin layer are successively laminated on a substrate layer. A fluororesin layer, formed by a fluorine-containing copolymer having a crosslinking group and a curing agent that reacts with the crosslinking group, is formed between the olefinic resin layer and the thermal bonding resin layer.Type: ApplicationFiled: October 27, 2005Publication date: May 4, 2006Applicant: Dai Nippon Printing Co., Ltd.Inventors: Takanori Yamashita, Masataka Okushita, Youichi Mochizuki
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Patent number: 7008721Abstract: A lithium battery (1) has a battery module (2), a battery package (5) for holding the battery module (2) therein, and leads (4) extending from the battery module (2) and projecting outside from the battery package (5). The battery package (5) is formed from a laminated sheet (10), and a peripheral part (9) of the battery package (5) is heat-sealed. Lead-insulating films (6) are interposed between the peripheral part (9) of the package (5) and the leads (4). Each of the lead-insulating films includes a heat-resistant base film (22), a polyolefin resin layer (21) formed on one of the surfaces of the base film (22) on the side of the laminated sheet (10), and an acid-modified polyolefin resin layer (23) formed on the other surface of the base film (22) on the side of the lead (4).Type: GrantFiled: January 18, 2002Date of Patent: March 7, 2006Assignee: Dai Nippon Printing Co., Ltd.Inventors: Rikiya Yamashita, Kazuki Yamada, Masataka Okushita
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Patent number: 6877216Abstract: A polymer battery module (2) provided with tabs (4) is put in a package (5) and an open end part of the package (5) is heat-sealed by a heat-sealing machine (10). The heat-sealing machine (10) is provided with a pair of sealing heads (10a, 10b) respectively having sealing surfaces (12). The sealing surfaces (12) of the sealing heads (10a, 10b) are provided with recesses (11) in parts thereof corresponding to the tabs (4) of the polymer battery module (2) contained in the package (5) as located in place between the sealing heads (10a, 10b) for heat-sealing.Type: GrantFiled: January 26, 2001Date of Patent: April 12, 2005Assignee: Dai Nippon Printing Co., Ltd.Inventors: Jun Fukuda, Masataka Okushita, Kazuki Yamada, Rikiya Yamashita, Hiroshi Miyama
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Patent number: 6841298Abstract: A lithium ion battery (1) includes a lithium ion battery module (2) provided with tabs (4), and a package 5 holding the lithium ion battery module (2) therein. The package (5) has a sealed peripheral part (5a) sealed by heat-sealing. At least a part of each tab (4) corresponding the sealed peripheral part (5a) is coated with a corrosion-resistant layer (4S).Type: GrantFiled: April 18, 2001Date of Patent: January 11, 2005Assignee: Dai Nippon Printing Co., Ltd.Inventors: Rikiya Yamashita, Hiroshi Miyama, Kazuki Yamada, Masataka Okushita
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Publication number: 20040226948Abstract: A heat-insulating container is used for an instant dried food and is excellent in heat-insulating property, design and economy. The container comprises a paper cup body with a bottom, which has an inner surface coated with a polyolefin resin and is provided with an outward curled portion formed at an upper opening end of the cup body and at least one horizontal rib formed on a side wall of the cup body so as to project outward therefrom; and an inverse-frustoconical paper sleeve provided with an inward curled portion formed at a lower end of the sleeve. The cup body and the sleeve are integrally combined with each other so that an upper end of the sleeve is joined to an outer periphery of the side wall of the cup body, which is adjacent to the outward curled portion of the cup body, and an inner surface of the inward curled portion of the sleeve is joined to an outer periphery of a lower portion of the side wall of the cup body.Type: ApplicationFiled: October 27, 2003Publication date: November 18, 2004Inventors: Masataka Okushita, Kazuki Yamada, Yuichi Hirai, Yoichi Mochizuki, Kenichi Endo
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Publication number: 20040224225Abstract: A lithium ion battery (1) includes a lithium ion battery module (2) provided with tabs (4), and a package 5 holding the lithium ion battery module (2) therein. The package (5) has a sealed peripheral part (5a) sealed by heat-sealing. At least a part of each tab (4) corresponding the sealed peripheral part (5a) is coated with a corrosion-resistant layer (4S).Type: ApplicationFiled: December 13, 2001Publication date: November 11, 2004Inventors: Rikiya Yamashita, Hiroshi Miyama, Kazuki Yamada, Masataka Okushita
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Patent number: 6761994Abstract: A polymer battery module packaging material is a packaging laminated structure (10) including a base layer (11), a first adhesive resin layer (17b), a first chemically converted layer (16b), an aluminum layer (12), a second chemically converted layer (16a), a second adhesive resin layer (17a), a heat-sealable layer (14) and a liquid-paraffin layer (15). The second adhesive resin layer (17a) may be substituted by an acid-denatured polyolefin resin layer (13) formed by extrusion or an acid-denatured polyolefin resin layer (18) formed by coating. The heat-sealable layer (14) is formed of a polyolefin resin. The liquid paraffin layer (15) coating the heat-sealable layer (14) improves the emboss-formability of the polymer battery module packaging material.Type: GrantFiled: November 7, 2001Date of Patent: July 13, 2004Assignee: Dai Nippon Printing Co., Ltd.Inventors: Rikiya Yamashita, Masataka Okushita, Kazuki Yamada, Hiroshi Miyama
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Patent number: 6663926Abstract: A heat-insulating container is used for an instant dried food and is excellent in heat-insulating property, design and economy. The container comprises a paper cup body with a bottom, which has an inner surface coated with a polyolefin resin and is provided with an outward curled portion formed at an upper opening end of the cup body and at least one horizontal rib formed on a side wall of the cup body so as to project outward therefrom; and an inverse-frustoconical paper sleeve provided with an inward curled portion formed at a lower end of the sleeve. The cup body and the sleeve are integrally combined with each other so that an upper end of the sleeve is joined to an outer periphery of the side wall of the cup body, which is adjacent to the outward curled portion of the cup body, and an inner surface of the inward curled portion of the sleeve is joined to an outer periphery of a lower portion of the side wall of the cup body.Type: GrantFiled: March 29, 1999Date of Patent: December 16, 2003Assignee: Dai Nippon Printing Co., Ltd.Inventors: Masataka Okushita, Kazuki Yamada, Yuichi Hirai, Yoichi Mochizuki, Kenichi Endo
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Publication number: 20030194608Abstract: The present invention provides a copper member having a high adhesion stability, free from corrosion caused by hydrofluoric acid generated from the electrolyte of the battery terminal and water. A composite covering layer of an aminated phenol phenol polymer, a trivalent chromium compound and a phosphorus compound on the surface of a foil-shaped or sheet-shaped copper member. The composite covering layer has an aminated phenol polymer deposit weight from 1 to 200 mg/m2, a chromium deposit weight from 0.5 to 50 mg/m2, and a phosphorus deposit weight of 0.5 to 5 mg/m2.Type: ApplicationFiled: February 7, 2003Publication date: October 16, 2003Inventors: Yuichi Hirai, Rikiya Yamashita, Kazuki Yamada, Masataka Okushita
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Publication number: 20030180609Abstract: Disclosed is a packaging material for forming an armor body for a battery, the armor body being adapted for use in such a manner that a battery body is inserted into the armor body and the peripheral edge of the armor body is then heat sealed for hermetic sealing, the packaging material being a laminate comprising at least a substrate layer, an adhesive layer, a barrier layer, a dry laminate layer, and a sealant layer, characterized in that at least the sealant layer comprises a low-fluidity polypropylene layer having low susceptibility to collapse upon exposure to heat and pressure at the time of heat sealing and a high-fluidity polypropylene layer having high susceptibility to collapse upon exposure to heat and pressure at the time of heat sealing, and the innermost layer is the high-fluidity polypropylene layer. This battery packaging material can impart moisture barrier properties and resistance to contents of the battery.Type: ApplicationFiled: February 20, 2003Publication date: September 25, 2003Inventors: Rikiya Yamashita, Yoichi Mochizuki, Kazuki Yamada, Masataka Okushita
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Publication number: 20030054241Abstract: A lithium battery (1) has a battery module (2), a battery package (5) for holding the battery module (2) therein, and leads (4) extending from the battery module (2) and projecting outside from the battery package (5). The battery package (5) is formed from a laminated sheet (10), and a peripheral part (9) of the battery package (5) is heat-sealed. Lead-insulating films (6) are interposed between the peripheral part (9) of the package (5) and the leads (4). Each of the lead-insulating films includes a heat-resistant base film (22), a polyolefin resin layer (21) formed on one of the surfaces of the base film (22) on the side of the laminated sheet (10), and an acid-modified polyolefin resin layer (23) formed on the other surface of the base film (22) on the side of the lead (4).Type: ApplicationFiled: August 22, 2002Publication date: March 20, 2003Inventors: Rikiya Yamashita, Kazuki Yamada, Masataka Okushita
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Publication number: 20020166636Abstract: There are provided a cutter attached thereto, a method of and an apparatus for manufacturing the same cutter and attaching the same cutter to the carton. A nonmetallic cutter formed of a hard paper and having saw tooth-shaped edges at one end thereof which is formed by punching thereof. A wrap web containing carton for containing therein a wrap web wound in a roll shape comprises a carton body having an opening through which the wrap web is drawn out, and a nonmetallic cutter attached to the carton body at the position where the wrap web is cut wherein said nonmetallic cutter is formed by punching a hard paper and wherein said nonmetallic cutter cuts the wrap web.Type: ApplicationFiled: June 27, 2002Publication date: November 14, 2002Applicant: Dai Nippon Printing Co., Ltd.Inventors: Masataka Okushita, Hiroshi Miyama
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Publication number: 20020157242Abstract: A polymer battery module (2) provided with tabs (4) is put in a package (5) and an open end part of the package (5) is heat-sealed by a heat-sealing machine (10). The heat-sealing machine (10) is provided with a pair of sealing heads (10a, 10b) respectively having sealing surfaces (12). The sealing surfaces (12) of the sealing heads (10a, 10b) are provided with recesses (11) in parts thereof corresponding to the tabs (4) of the polymer battery module (2) contained in the package (5) as located in place between the sealing heads (10a, 10b) for heat-sealing.Type: ApplicationFiled: September 14, 2001Publication date: October 31, 2002Inventors: Jun Fukuda, Masataka Okushita, Kazuki Yamada, Rikiya Yamashita, Hiroshi Miyama