Patents by Inventor Sayaka HOSHI
Sayaka HOSHI 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: 11905383Abstract: A gas barrier film includes: a substrate; and a gas barrier layer located on at least one surface of the substrate, the gas barrier layer containing an aqueous polyurethane resin that contains an acid group-containing polyurethane resin and a polyamine compound, a water soluble polymer, and an inorganic layered mineral, wherein, when a region from a top to a bottom of a cross-section of the gas barrier layer in a thickness direction, which is defined as a first region, is equally divided in the thickness direction into 11 strip regions, and a region different from the first region from a top to a bottom of a cross-section of the gas barrier layer in the thickness direction, which is defined as a second region.Type: GrantFiled: October 26, 2020Date of Patent: February 20, 2024Assignee: TOPPAN PRINTING CO., LTD.Inventors: Sayaka Hoshi, Junichi Kaminaga, Yuki Omura, Yuka Nomoto
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Patent number: 11780978Abstract: A gas barrier film including a substrate film containing a resin, and a gas barrier layer that has oxygen barrier properties and is in contact with at least one surface of the substrate film, a surface of the gas barrier layer has a flat portion, and a plurality of protrusions that protrude from the flat portion. The number of protrusions that satisfy the following formula (1) is 0 to 200 per mm2, and the number of protrusions that satisfy the following formula (2) is 20 or more per mm2; d×2?f(1); and 0.2?f<d×2(2), where d represents a thickness (?m) of the gas barrier layer, and f represents a height (?m) of each of the plurality of protrusions.Type: GrantFiled: June 4, 2021Date of Patent: October 10, 2023Assignee: TOPPAN PRINTING CO., LTD.Inventors: Junichi Kaminaga, Sayaka Hoshi, Yuki Omura, Seiya Suzuki, Yoshiki Koshiyama
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Publication number: 20210291501Abstract: A gas barrier film includes a resin substrate and an oxygen barrier coating film in contact with a first surface of the resin substrate. The resin substrate includes two or more resin layers including a base layer. Of the two or more resin layers, a resin layer forming the first surface of the resin substrate does not contain an anti-blocking agent.Type: ApplicationFiled: June 3, 2021Publication date: September 23, 2021Applicant: TOPPAN PRINTING CO., LTD.Inventors: Junichi KAMINAGA, Seiya SUZUKI, Ryo TAKEI, Sayaka HOSHI, Takeshi NISHIKAWA, Miki FUKUGAMI, Ayumi TANAKA
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Publication number: 20210292503Abstract: A gas barrier film including a substrate film containing a resin, and a gas barrier layer that has oxygen barrier properties and is in contact with at least one surface of the substrate film, a surface of the gas barrier layer has a flat portion, and a plurality of protrusions that protrude from the flat portion. The number of protrusions that satisfy the following formula (1) is 0 to 200 per mm2, and the number of protrusions that satisfy the following formula (2) is 20 or more per mm2: d×2?f (1); and 0.2?f<d×2 (2), where d represents a thickness (?m) of the gas barrier layer, and f represents a height (?m) of each of the plurality of protrusions.Type: ApplicationFiled: June 4, 2021Publication date: September 23, 2021Applicant: TOPPAN PRINTING CO., LTD.Inventors: Junichi KAMINAGA, Sayaka HOSHI, Yuki OMURA, Seiya SUZUKI, Yoshiki KOSHIYAMA
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Publication number: 20210039371Abstract: A gas barrier film includes: a substrate; and a gas barrier layer located on at least one surface of the substrate, the gas barrier layer containing an aqueous polyurethane resin that contains an acid group-containing polyurethane resin and a polyamine compound, a water soluble polymer, and an inorganic layered mineral, wherein, when a region from a top to a bottom of a cross-section of the gas barrier layer in a thickness direction, which is defined as a first region, is equally divided in the thickness direction into 11 strip regions, and a region different from the first region from a top to a bottom of a cross-section of the gas barrier layer in the thickness direction, which is defined as a second region.Type: ApplicationFiled: October 26, 2020Publication date: February 11, 2021Applicant: TOPPAN PRINTING CO., LTD.Inventors: Sayaka HOSHI, Junichi KAMINAGA, Yuki OMURA, Yuka NOMOTO
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Patent number: 10654631Abstract: A gas barrier film according to the present invention includes: a resin film substrate; a first layer made of an aqueous coating agent (C) that contains a water soluble polymer (A) and an inorganic layered mineral (B); and a second layer made of a coating agent (D) that contains titanium oxide, the first layer and the second layer being disposed in this order on at least one surface of the resin film substrate.Type: GrantFiled: October 19, 2016Date of Patent: May 19, 2020Assignee: TOPPAN PRINTING CO., LTD.Inventors: Yuki Omura, Sayaka Hoshi, Junichi Kaminaga
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Patent number: 10221334Abstract: A gas barrier film includes a resin film base material, a layer made of an aqueous coating agent (A) which contains a hardener and has gas barrier properties and adhesiveness to the resin film base material, the layer made of the aqueous coating agent (A) being formed on at least one surface of the resin film base material, and at least one layer made of an aqueous coating agent (B) having a compounding ratio of a hardener smaller than that of the aqueous coating agent (A), the layer made of the aqueous coating agent (B) being formed on the layer made of the aqueous coating agent (A).Type: GrantFiled: April 22, 2016Date of Patent: March 5, 2019Assignee: TOPPAN PRINTING CO., LTD.Inventors: Yuki Omura, Junichi Kaminaga, Sayaka Hoshi
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Patent number: 9951249Abstract: An aqueous coating agent of the invention comprising (A) an aqueous polyurethane resin containing a polyurethane resin having an acid group and a polyamine compound, (B) a water-soluble polymer, and (C) an inorganic layered mineral as main constituents, wherein solid formulation ratios of the aqueous polyurethane resin (A), the water-soluble polymer (B) and the inorganic layered mineral (C) occupied in a total solid content of the aqueous coating agent are within approximate ranges indicated below.Type: GrantFiled: October 23, 2015Date of Patent: April 24, 2018Assignee: TOPPAN PRINTING CO., LTD.Inventors: Yuki Omura, Junichi Kaminaga, Sayaka Hoshi
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Publication number: 20180037769Abstract: A coating agent includes, as principal components: an aqueous polyurethane resin (A) including a polyurethane resin having an acid group and a polyamine compound, a water-soluble polymer (B), an inorganic layered mineral (C), and a compound (D) having an epoxy group.Type: ApplicationFiled: October 17, 2017Publication date: February 8, 2018Applicant: TOPPAN PRINTING CO., LTD.Inventors: Yuki OMURA, Junichi KAMINAGA, Sayaka HOSHI
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Patent number: 9688449Abstract: A gas barrier film includes a base film including a plastic material, and one or more gas barrier layers formed on the base film. The gas barrier layer includes an inorganic layered mineral and a resin component interposed between layers of the inorganic layered mineral. The gas barrier film shows an X-ray diffraction spectrum having a first peak top and a second peak top when measured at 25° C. and 65% RH using CuK? rays, the first peak top is derived from a first interlayer distance between adjacent layers of the inorganic layered mineral, the second peak top is derived from a second interlayer distance which is greater than the first interlayer distance by interposition of the resin component between layers of the inorganic layered mineral, and the second peak top is present at a position lower than a position of the first peak top in a 2? axis.Type: GrantFiled: August 27, 2014Date of Patent: June 27, 2017Assignee: TOPPAN PRINTING CO., LTD.Inventors: Junichi Kaminaga, Harumi Matsumoto, Sayaka Hoshi
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Patent number: 9657195Abstract: An aqueous coating composition includes an aqueous polyurethane resin including a polyurethane resin having an acid group and a polyamine compound, a water-soluble polymer, and an inorganic layered mineral. The aqueous polyurethane resin is included at a solid content of 50-80 mass %, the water-soluble polymer is included at a solid content of 5-20 mass %, and the inorganic layered mineral is included at a solid content of 10-30 mass %, relative to a total solid content of the aqueous coating composition. The aqueous coating composition has a total solid concentration of not less than 5 mass % and a viscosity of not larger than 50 mPa-second at 23° C.Type: GrantFiled: August 27, 2014Date of Patent: May 23, 2017Assignee: TOPPAN PRINTING CO., LTD.Inventors: Junichi Kaminaga, Harumi Matsumoto, Sayaka Hoshi
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Publication number: 20170036832Abstract: A gas barrier film according to the present invention includes: a resin film substrate; a first layer made of an aqueous coating agent (C) that contains a water soluble polymer (A) and an inorganic layered mineral (B); and a second layer made of a coating agent (D) that contains titanium oxide, the first layer and the second layer being disposed in this order on at least one surface of the resin film substrate.Type: ApplicationFiled: October 19, 2016Publication date: February 9, 2017Applicant: TOPPAN PRINTING CO., LTD.Inventors: Yuki OMURA, Sayaka HOSHI, Junichi KAMINAGA
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Publication number: 20160237308Abstract: A gas barrier film includes a resin film base material, a layer made of an aqueous coating agent (A) which contains a hardener and has gas barrier properties and adhesiveness to the resin film base material, the layer made of the aqueous coating agent (A) being formed on at least one surface of the resin film base material, and at least one layer made of an aqueous coating agent (B) having a compounding ratio of a hardener smaller than that of the aqueous coating agent (A), the layer made of the aqueous coating agent (B) being formed on the layer made of the aqueous coating agent (A).Type: ApplicationFiled: April 22, 2016Publication date: August 18, 2016Applicant: TOPPAN PRINTING CO., LTD.Inventors: Yuki OMURA, Junichi KAMINAGA, Sayaka HOSHI
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Publication number: 20160160063Abstract: A water-based coating agent for gravure printing, including an aqueous polyurethane resin (A) which contains a polyurethane resin having an acid group and a polyamine compound, a water-soluble polymer (B), and an inorganic layered mineral (C) as a main constituent component, in which the aqueous polyurethane resin (A) is 5 to 60 mass %, the water-soluble polymer (B) is 25 to 80 mass %, and the inorganic layered mineral (C) is 8 to 20 mass % in a solid compounding ratio of a total solid, a total solid concentration is greater than or equal to 5 mass %, and viscosity at 23° C. is less than or equal to 50 mPa·s, and the water-soluble polymer (B) is a polyvinyl alcohol resin having a degree of saponification of greater than or equal to 95% and a degree of polymerization of 300 to 1700.Type: ApplicationFiled: February 18, 2016Publication date: June 9, 2016Applicant: TOPPAN PRINTING CO., LTD.Inventors: Junichi KAMINAGA, Sayaka HOSHI, Yuki OMURA
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Publication number: 20160040035Abstract: An aqueous coating agent of the invention comprising (A) an aqueous polyurethane resin containing a polyurethane resin having an acid group and a polyamine compound, (B) a water-soluble polymer, and (C) an inorganic layered mineral as main constituents, wherein solid formulation ratios of the aqueous polyurethane resin (A), the water-soluble polymer (B) and the inorganic layered mineral (C) occupied in a total solid content of the aqueous coating agent are within approximate ranges indicated below.Type: ApplicationFiled: October 23, 2015Publication date: February 11, 2016Applicant: TOPPAN PRINTING CO., LTD.Inventors: Yuki OMURA, Junichi KAMINAGA, Sayaka HOSHI
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Publication number: 20140370270Abstract: An aqueous coating composition includes an aqueous polyurethane resin including a polyurethane resin having an acid group and a polyamine compound, a water-soluble polymer, and an inorganic layered mineral. The aqueous polyurethane resin is included at a solid content of 50-80 mass %, the water-soluble polymer is included at a solid content of 5-20 mass %, and the inorganic layered mineral is included at a solid content of 10-30 mass %, relative to a total solid content of the aqueous coating composition. The aqueous coating composition has a total solid concentration of not less than 5 mass % and a viscosity of not larger than 50 mPa-second at 23° C.Type: ApplicationFiled: August 27, 2014Publication date: December 18, 2014Applicant: TOPPAN PRINTING CO., LTD.Inventors: Junichi Kaminaga, Harumi Matsumoto, Sayaka Hoshi
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Publication number: 20140363661Abstract: A gas barrier film includes a base film including a plastic material, and one or more gas barrier layers formed on the base film. The gas barrier layer includes an inorganic layered mineral and a resin component interposed between layers of the inorganic layered mineral. The gas barrier film shows an X-ray diffraction spectrum having a first peak top and a second peak top when measured at 25° C. and 65% RH using CuK? rays, the first peak top is derived from a first interlayer distance between adjacent layers of the inorganic layered mineral, the second peak top is derived from a second interlayer distance which is greater than the first interlayer distance by interposition of the resin component between layers of the inorganic layered mineral, and the second peak top is present at a position lower than a position of the first peak top in a 2? axis.Type: ApplicationFiled: August 27, 2014Publication date: December 11, 2014Applicant: TOPPAN PRINTING CO., LTD.Inventors: Junichi KAMINAGA, Harumi MATSUMOTO, Sayaka HOSHI