Patents by Inventor Michihiko Irie
Michihiko Irie 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: 20190077930Abstract: A first object of the present invention is to provide a stretchable conductor sheet that exhibits isotropic conductivity when stretched in a predetermined direction or in a direction perpendicular to the predetermined direction, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet. A second object of the present invention is to provide a stretchable conductor sheet having a small change in specific resistance even when repeatedly twisted, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet. A third object of the present invention is to provide a stretchable conductor sheet having a small change in specific resistance even when repeatedly washed, and a paste for forming a stretchable conductor sheet, which is used for the stretchable conductor sheet.Type: ApplicationFiled: March 8, 2017Publication date: March 14, 2019Applicant: TOYOBO CO., LTD.Inventors: Michihiko IRIE, Satoshi IMAHASHI, Hiromichi YONEKURA, Takashi KONDO, Maki KINAMI
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Publication number: 20190053546Abstract: The present invention provides to a wearable smart device having electrical wiring comprising a stretchable conductive composition having excellent in durability such as repeated bending properties and repeated twisting properties, a material for realizing the wearable smart device, and a method for producing the wearable start device. An electrical wiring including a fine line having an electrical line interval of 1 mm or less, preferably the line width of less than 1 mm, is formed by printing a paste for forming a stretchable conductor containing metal-based conductive particles and a non-crosslinked elastomer, and further dried and cured at a low temperature condition of 120° C. for 30 minutes. As a result, the wearable smart device having electrical wiring constituted by fine lines without sagging of the edge is obtained.Type: ApplicationFiled: March 7, 2017Publication date: February 21, 2019Applicant: TOYOBO CO., LTD.Inventors: Yuko NAKAO, Satoshi IMAHASHI, Michihiko IRIE, Takashi KONDO, Maki KINAMI
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Publication number: 20190053372Abstract: The purpose of the present invention is to provide a garment-type electronic device capable of reducing discomfort during the wearing in the garment-type electronic device comprising an electrical wiring using stretchable conductor composition. In a part in contact with a body surface of a garment-type electronic device, a level difference at the boundary between the electrode portion where the conductor is exposed and the wiring portion covered with the insulating cover layer is substantially eliminated, whereby a garment type electronic device with a natural wearing feeling in which discomfort during wearing has been reduced is obtained. Furthermore, by providing the projections and the depressions in the fabric texture on its surface, a more natural wearing feeling is obtained. Such a garment-type electronic device can be produced by a printing transfer method.Type: ApplicationFiled: January 30, 2017Publication date: February 14, 2019Applicant: TOYOBO CO., LTD.Inventors: Euichul KWON, Sonoko ISHIMARU, Michihiko IRIE, Maki KINAMI
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Publication number: 20190013111Abstract: The purpose of the present invention is to provide a stretchable conductor that can be used to form a film having good repeated stretching durability, a garment-type election device that has a wire using the stretchable conductor, and a method for producing the same. Conductive particles, preferably silver particles, a predetermined quantity of a specific barium sulfate, and a flexible resin component are mixed together to obtain a stretchable conductor composition. A sheet made from the stretchable conductor composition thus obtained has a low initial conductivity, and a high conductivity retention rate when repeatedly stretched. By cutting the stretchable conductor composition into a predetermined shape and affixing the composition to fabric or the like that constitutes a garment, it is possible to achieve a garment-type device having electrical wiring with high stretchability.Type: ApplicationFiled: January 10, 2017Publication date: January 10, 2019Applicant: TOYOBO CO., LTD.Inventors: Hiromichi YONEKURA, Satoshi IMAHASHI, Michihiko IRIE, Takashi KONDO, Maki KINAMI
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Patent number: 10056595Abstract: A battery separator includes a porous membrane A including a polyolefin resin, and a porous membrane B laminated thereon including a fluororesin and inorganic particles or cross-linked polymer particles, wherein the particles are contained in an amount of 80 wt % to 97 wt % of the porous membrane B and have an average diameter being not less than 1.5 times and less than 50 times the average pore size of the porous membrane A, and a specific expression 1 and a specific expression 2 are satisfied.Type: GrantFiled: March 28, 2013Date of Patent: August 21, 2018Assignee: Toray Industries, Inc.Inventors: Naoki Mizuno, Michihiko Irie, Ken Shimizu
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Patent number: 9614212Abstract: A method produces a composite porous membrane including a porous membrane A formed of a polyolefin-based resin; and a porous membrane B containing a heat-resistant resin and laminated on the porous membrane A, including: (i) applying a heat-resistant resin solution onto a base film, followed by passing the coated film through a low-humidity zone, and then through a high-humidity zone to form a heat-resistant resin membrane on the base film; and (ii) bonding together the heat-resistant resin membrane formed in step (i) and a porous membrane A formed of a polyolefin-based resin, followed by converting the heat-resistant resin membrane into a porous membrane B by immersion in a solidification bath, and washing and drying the same to obtain the composite porous membrane.Type: GrantFiled: January 14, 2015Date of Patent: April 4, 2017Assignee: Toray Battery Separator Film Co., Ltd.Inventors: Naoki Mizuno, Michihiko Irie, Yoshitaka Ayuzawa, Masanori Nakamura
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Patent number: 9337461Abstract: A composite porous membrane is a composite porous membrane, wherein a porous membrane B including a heat-resistant resin is laminated on the surface of a polypropylene resin of an outermost layer of a porous membrane A composed of at least one layer, wherein at least one of the outermost layers comprises the polypropylene resin. The composite porous membrane satisfies a particular range of peeling strength at the interface between the porous membrane A and the porous membrane B and a particular range of difference between air resistance of the whole composite porous membrane and air resistance of the porous membrane A, provided that the porous membrane A satisfies a particular range of average pore size and porosity.Type: GrantFiled: August 29, 2011Date of Patent: May 10, 2016Assignee: Toray Battery Separator Film Co., Ltd.Inventors: Naoki Mizuno, Michihiko Irie, Yoshitaka Ayuzawa, Masanori Nakamura
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Patent number: 9293754Abstract: A battery separator includes a porous membrane A including a polyethylene resin, and a porous membrane B laminated thereon including a heat resistant resin and inorganic particles or cross-linked polymer particles, wherein the porous membrane A satisfies expressions (a) to (c), and the entire battery separator satisfies expressions (d) to (f).Type: GrantFiled: February 7, 2013Date of Patent: March 22, 2016Assignee: Toray Battery Separator Film Co., Ltd.Inventors: Naoki Mizuno, Michihiko Irie, Masanori Nakamura, Ken Shimizu
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Publication number: 20150228949Abstract: A battery separator includes a porous membrane A including a polyethylene resin, and a porous membrane B laminated thereon including a heat resistant resin and inorganic particles or cross-linked polymer particles, wherein the porous membrane A satisfies expressions (a) to (c), and the entire battery separator satisfies expressions (d) to (f).Type: ApplicationFiled: February 7, 2013Publication date: August 13, 2015Inventors: Naoki Mizuno, Michihiko Irie, Masanori Nakamura, Ken Shimizu
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Publication number: 20150122400Abstract: A method produces a composite porous membrane including a porous membrane A formed of a polyolefin-based resin; and a porous membrane B containing a heat-resistant resin and laminated on the porous membrane A, including: (i) applying a heat-resistant resin solution onto a base film, followed by passing the coated film through a low-humidity zone, and then through a high-humidity zone to form a heat-resistant resin membrane on the base film; and (ii) bonding together the heat-resistant resin membrane formed in step (i) and a porous membrane A formed of a polyolefin-based resin, followed by converting the heat-resistant resin membrane into a porous membrane B by immersion in a solidification bath, and washing and drying the same to obtain the composite porous membrane.Type: ApplicationFiled: January 14, 2015Publication date: May 7, 2015Inventors: Naoki Mizuno, Michihiko Irie, Yoshitaka Ayuzawa, Masanori Nakamura
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Patent number: 9023506Abstract: A battery separator includes a porous membrane A with a thickness of less than 10 ?m including a polypropylene resin, and a porous membrane B laminated thereon including a heat resistant resin and inorganic particles or cross-linked polymer particles, wherein the porous membrane A satisfies a specific range of thickness, average pore size, and porosity, and the entire battery separator satisfies a specific range of thickness, peeling strength at the interface between the porous membrane A and the porous membrane B, and difference in air resistance between the entire battery separator and the porous membrane A.Type: GrantFiled: February 8, 2013Date of Patent: May 5, 2015Assignee: Toray Battery Separator Film Co., Ltd.Inventors: Naoki Mizuno, Michihiko Irie, Masanori Nakamura, Ken Shimizu
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Publication number: 20150056490Abstract: A laminated porous membrane includes a polyolefin porous membrane A, and a porous layer B provided on at least one surface of the polyolefin porous membrane A, the porous layer B containing a filler (a) and a binder resin (b) as essential components, the filler (a) having a true specific gravity of less than 2.0 g/cm3.Type: ApplicationFiled: April 9, 2013Publication date: February 26, 2015Inventors: Ken Shimizu, Naoki Mizuno, Michihiko Irie
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Publication number: 20150050542Abstract: A battery separator includes a porous membrane A and a porous membrane B laminated on the porous membrane A, the porous membrane A including a polyolefin resin, the porous membrane B including a polyamide-imide resin and inorganic particles or cross-linked polymer particles, wherein the particles are contained in an amount of 80% by weight to 97% by weight of the porous membrane B and have an average diameter that is not less than 1.5 times and less than 50 times the average pore size of the porous membrane A. The battery separator has excellent heat resistance and processability (electrolyte permeability, low curling property) and is characterized in that the air resistance increase due to lamination of a heat resistant resin is extremely small.Type: ApplicationFiled: March 18, 2013Publication date: February 19, 2015Inventors: Naoki Mizuno, Michihiko Irie, Ken Shimizu
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Publication number: 20150030905Abstract: A battery separator includes a porous membrane A including a polyolefin resin, and a porous membrane B laminated thereon including a fluororesin and inorganic particles or cross-linked polymer particles, wherein the particles are contained in an amount of 80 wt % to 97 wt % of the porous membrane B and have an average diameter being not less than 1.5 times and less than 50 times the average pore size of the porous membrane A, and a specific expression 1 and a specific expression 2 are satisfied.Type: ApplicationFiled: March 28, 2013Publication date: January 29, 2015Inventors: Naoki Mizuno, Michihiko Irie, Ken Shimizu
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Publication number: 20140349169Abstract: A battery separator includes a porous membrane A with a thickness of less than 10 ?m including a polypropylene resin, and a porous membrane B laminated thereon including a heat resistant resin and inorganic particles or cross-linked polymer particles, wherein the porous membrane A satisfies a specific range of thickness, average pore size, and porosity, and the entire battery separator satisfies a specific range of thickness, peeling strength at the interface between the porous membrane A and the porous membrane B, and difference in air resistance between the entire battery separator and the porous membrane A.Type: ApplicationFiled: February 8, 2013Publication date: November 27, 2014Inventors: Naoki Mizuno, Michihiko Irie, Masanori Nakamura, Ken Shimizu
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Publication number: 20130330592Abstract: A composite porous membrane is a composite porous membrane, wherein a porous membrane B including a heat-resistant resin is laminated on the surface of a polypropylene resin of an outermost layer of a porous membrane A composed of at least one layer, wherein at least one of the outermost layers comprises the polypropylene resin. The composite porous membrane satisfies a particular range of peeling strength at the interface between the porous membrane A and the porous membrane B and a particular range of difference between air resistance of the whole composite porous membrane and air resistance of the porous membrane A, provided that the porous membrane A satisfies a particular range of average pore size and porosity.Type: ApplicationFiled: August 29, 2011Publication date: December 12, 2013Applicant: TORAY BATTERY SEPARATOR FILM CO., LTD.Inventors: Naoki Mizuno, Michihiko Irie, Yoshitaka Ayuzawa, Masanori Nakamura
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Publication number: 20130288103Abstract: A composite porous membrane used as a separator for a battery includes a porous membrane A made of a polyolefin resin and a porous membrane B containing a heat-resistant resin laminated thereto, wherein the surface of the porous membrane B on the side that does not face the porous A has a three-dimensional network structure having nodes, and the peeling interface on the side of the porous membrane B formed when the porous membrane A and the porous membrane B are peeled off has a membrane morphology having pores with a pore size of 50 to 500 nm in an amount of at least 100 pores/10 ?m2.Type: ApplicationFiled: August 29, 2011Publication date: October 31, 2013Applicant: Toray Battery Separator Film Co., Ltd.Inventors: Naoki Mizuno, Michihiko Irie, Yoshitaka Ayuzawa, Masanori Nakamura
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Patent number: 8512898Abstract: To obtain a separator for a nonaqueous electrolyte battery that has an excellent nonaqueous electrolyte permeability into an electrode and an excellent electrolyte retentivity of the electrode and achieves a large capacity, a high energy density and a good high-temperature charge characteristic. A separator 3 used for a nonaqueous electrolyte battery is formed by disposing a porous layer 2 made of inorganic fine particles and a resin binder on a porous separator substrate 1, the resin binder is made of at least one resin selected from the group consisting of polyimide resins, polyamide resins and polyamideimide resins and the molecular chain of the resin has a halogen atom content of 10% to 30% by weight, and the content of the resin binder in the porous layer is 5% by weight or more.Type: GrantFiled: September 22, 2008Date of Patent: August 20, 2013Assignees: SANYO Electronics Co., Ltd., TORAY Industries, Inc.Inventors: Yasunori Baba, Naoki Imachi, Atsushi Nakajima, Michihiko Irie, Masanori Nakamura
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Publication number: 20130101889Abstract: A composite porous membrane including a porous membrane A formed of a polyolefin-based resin; and a porous membrane B containing a heat-resistant resin and laminated on the porous membrane A, wherein the porous membrane A satisfies formulas (A) to (C), the composite porous membrane satisfies formula (D), and the composite porous membrane satisfies formulas (F) and (F) wherein thickness of porous membrane A<10 ?m formula (A); 0.01 ?m?average pore diameter of porous membrane A?1.0 ?m formula (B); 30% porosity of porous membrane A?70% formula (C); thickness of entire composite porous membrane?13 ?m formula (a); peel strength at interface between porous membrane A and porous membrane B?1.0 N/25 mm formula (E); 20?Y?X?100 formula CO and wherein X is a gas permeation resistance (seconds/100 ccAir) of porous membrane A, and Y is a gas permeation resistance (seconds/100 ccAir) of the composite porous membrane.Type: ApplicationFiled: August 26, 2010Publication date: April 25, 2013Applicant: TORAY INDUSTRIES, INC.Inventors: Naoki Mizuno, Michihiko Irie, Yoshitaka Ayuzawa, Masanori Nakamura
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Publication number: 20100255380Abstract: To obtain a nonaqueous electrolyte battery that has an excellent nonaqueous electrolyte permeability into an electrode and an excellent electrolyte retentivity of the electrode and achieves a large capacity, a high energy density and a good high-temperature charge characteristic. A separator used for a nonaqueous electrolyte battery is formed by disposing a porous layer made of inorganic fine particles and a resin binder on a porous separator substrate. The resin binder is made of at least one resin selected from the group consisting of polyimide resins and polyamideimide resins, the resin having an acid value of 5.6 to 28.0 KOHmg/g and a logarithmic viscosity of 0.5 to 1.5 dl/g. The content of the resin binder in the porous layer is 5% by weight or more.Type: ApplicationFiled: September 22, 2008Publication date: October 7, 2010Applicants: SANYO ELECTRIC CO., LTD., TOYO BOSEKI KABUSHIKI KAISHAInventors: Yasunori Baba, Naoki Imachi, Atsushi Nakajima, Michihiko Irie, Masanori Nakamura