Patents by Inventor Koichi Nagamoto

Koichi Nagamoto 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).

  • Patent number: 10669427
    Abstract: The present invention provides: a gas barrier laminate comprising a base, a primer layer, and a gas barrier layer, the primer layer and the gas barrier layer being sequentially stacked on at least one side of the base, the primer layer having a modulus of elasticity at 90° C. of 1.6 GPa or more, and a coefficient of static friction between a surface of one side of the gas barrier laminate and a surface of the other side of the gas barrier laminate being 0.35 to 0.8; a method for producing the gas barrier laminate; an electronic device member comprising the gas barrier laminate; and an electronic device.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: June 2, 2020
    Assignee: LINTEC CORPORATION
    Inventors: Yuuta Suzuki, Koichi Nagamoto, Takeshi Kondo
  • Publication number: 20190264061
    Abstract: This laminate is a laminate (10A) comprising a base (1) and a gas barrier unit (4), the gas barrier unit (4) comprising a first barrier layer (2a), a second barrier layer (2b), and an organic intermediate layer (3) that is situated between the first barrier layer (2a) and the second barrier layer (2b), and has a modulus of elasticity at 90° C. of 1.5 GPa or more, a ratio (X/Y1) of a thickness (X) of the organic intermediate layer (3) to a thickness (Y1) of the first barrier layer (2a) being 3 to 18, and a ratio (X/Y2) of the thickness (X) of the organic intermediate layer (3) to a thickness (Y2) of the second barrier layer (2b) being 3 to 18. The present invention provides a laminate that exhibits an excellent gas barrier capability, and rarely shows deterioration in gas barrier capability even when a thermal load is applied.
    Type: Application
    Filed: May 15, 2019
    Publication date: August 29, 2019
    Applicant: LINTEC Corporation
    Inventors: Yuuta SUZUKI, Koichi NAGAMOTO, Takeshi KONDO
  • Patent number: 10377870
    Abstract: The present invention is a long gas barrier laminate including a base, a functional layer, a smoothing layer, and a gas barrier layer, the functional layer being stacked on one side of the base, the smoothing layer and the gas barrier layer being sequentially stacked on the other side of the base, and a coefficient of static friction between a surface of the functional layer that is situated opposite to the base and a surface of the gas barrier layer that is situated opposite to the base being 0.35 to 0.80; and a method for producing the long gas barrier laminate.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: August 13, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Wataru Iwaya, Koichi Nagamoto, Satoshi Naganawa, Yuuta Suzuki, Takeshi Kondo
  • Patent number: 10336876
    Abstract: The present invention is a long gas barrier laminate including a base, a functional layer, a smoothing layer, and a gas barrier layer, the functional layer being stacked on one side of the base, the smoothing layer and the gas barrier layer being sequentially stacked on the other side of the base, and a coefficient of static friction between a surface of the functional layer that is situated opposite to the base and a surface of the gas barrier layer that is situated opposite to the base being 0.35 to 0.80; and a method for producing the long gas barrier laminate.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: July 2, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Wataru Iwaya, Koichi Nagamoto, Satoshi Naganawa, Yuuta Suzuki, Takeshi Kondo
  • Patent number: 10323317
    Abstract: The present invention is a gas barrier laminate comprising a base and a gas barrier unit, the gas barrier unit comprising at least two inorganic layers, at least one of the at least two inorganic layers being a silicon oxynitride layer, the silicon oxynitride layer including a composition-gradient region that has a thickness of 25 nm or more, the composition-gradient region being a region in which a content ratio of oxygen decreases and a content ratio of nitrogen increases in a thickness direction toward the base, and a ratio of the thickness of the composition-gradient region to the thickness of the entire silicon oxynitride layer being 0.15 or more. The present invention also relates to: an electronic device member that includes the gas barrier laminate, and an electronic device that includes the electronic device member.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: June 18, 2019
    Assignee: LINTEC CORPORATION
    Inventors: Yuuta Suzuki, Wataru Iwaya, Koichi Nagamoto, Takeshi Kondo
  • Patent number: 9859033
    Abstract: Provided are a conductive film which is excellent in hygrothermal characteristics and has excellent bending performance, and an electronic device having such a conductive film. A conductive film is obtained by forming, on one surface or both surfaces of a substrate, a zinc tin oxide (ZTO) layer and a transparent conductive film that is formed of zinc oxide other than zinc tin oxide sequentially from the substrate side, in which a thickness of the zinc tin oxide layer is 5 to 500 nm, a thickness of the zinc oxide-based transparent conductive film is 5 to 1000 nm, and a water-vapor transmittance rate of the zinc tin oxide (ZTO) layer is 0.1 g/(m2·day) or less.
    Type: Grant
    Filed: April 16, 2014
    Date of Patent: January 2, 2018
    Assignee: LINTEC Corporation
    Inventors: Tsutomu Hara, Satoshi Naganawa, Koichi Nagamoto
  • Patent number: 9736929
    Abstract: The present invention is a transparent conductive laminate comprising a base, a low-refractive-index layer, an intermediate-refractive-index layer, and a transparent conductive layer, the low-refractive-index layer, the intermediate-refractive-index layer, and the transparent conductive layer being sequentially stacked on at least one side of the base either directly or through one or more layers, the low-refractive-index layer having a refractive index of 1.40 to 1.50, and the intermediate-refractive-index layer having a refractive index of 1.50 to 1.80 and a film density of 2.5 to 4.5 g/cm3. The present invention provides a transparent conductive laminate that exhibits excellent moisture-heat resistance and excellent optical properties, and an electronic device or module.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: August 15, 2017
    Assignee: LINTEC CORPORATION
    Inventors: Tsutomu Hara, Yuuta Suzuki, Koichi Nagamoto
  • Publication number: 20170107344
    Abstract: The present invention is a long gas barrier laminate including a base, a functional layer, a smoothing layer, and a gas barrier layer, the functional layer being stacked on one side of the base, the smoothing layer and the gas barrier layer being sequentially stacked on the other side of the base, and a coefficient of static friction between a surface of the functional layer that is situated opposite to the base and a surface of the gas barrier layer that is situated opposite to the base being 0.35 to 0.80; and a method for producing the long gas barrier laminate.
    Type: Application
    Filed: March 27, 2015
    Publication date: April 20, 2017
    Applicant: LINTEC CORPORATION
    Inventors: Wataru IWAYA, Koichi NAGAMOTO, Satoshi NAGANAWA, Yuuta SUZUKI, Takeshi KONDO
  • Patent number: 9580625
    Abstract: Provided is a gas barrier pressure-sensitive adhesive sheet having at least one gas barrier layer and at least one pressure-sensitive adhesive layer, the at least one pressure-sensitive adhesive layer having a storage modulus at 23° C. of 1.5×104 to 1.0×107 Pa, and the gas barrier pressure-sensitive adhesive sheet not including a base layer.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: February 28, 2017
    Assignee: LINTEC CORPORATION
    Inventors: Emi Fuchi, Suguru Kenmochi, Satoshi Naganawa, Koichi Nagamoto
  • Patent number: 9303308
    Abstract: A zinc-oxide-based conductive stacked structure 1 includes a substrate 11 and, formed on at least one surface of the substrate, an undercoat layer 12 and a transparent conductive film 13. The transparent conductive film is formed of a plurality of transparent conductive layers formed from a zinc-oxide-based conductive material and has a carrier density of 2.0×1020 to 9.8×1020 cm?3. The zinc-oxide-based conductive stacked structure exhibits a change ratio in sheet resistivity of 50 or less, after bending of the stacked structure around a round bar having a diameter of 15 mm, with the transparent conductive film facing inward.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: April 5, 2016
    Assignees: LINTEC CORPORATION, KOCHI UNIVERSITY OF TECHNOLOGY
    Inventors: Koichi Nagamoto, Takeshi Kondo, Yumiko Amino, Satoshi Naganawa, Tetsuya Yamamoto, Takahiro Yamada
  • Publication number: 20160086683
    Abstract: Provided are a conductive film which is excellent in hygrothermal characteristics and has excellent bending performance, and an electronic device having such a conductive film. A conductive film is obtained by forming, on one surface or both surfaces of a substrate, a zinc tin oxide (ZTO) layer and a transparent conductive film that is formed of zinc oxide other than zinc tin oxide sequentially from the substrate side, in which a thickness of the zinc tin oxide layer is 5 to 500 nm, a thickness of the zinc oxide-based transparent conductive film is 5 to 1000 nm, and a water-vapor transmittance rate of the zinc tin oxide (ZTO) layer is 0.1 g/(m2·day) or less.
    Type: Application
    Filed: April 16, 2014
    Publication date: March 24, 2016
    Inventors: Tsutomu HARA, Satoshi NAGANAWA, Koichi NAGAMOTO
  • Publication number: 20160076133
    Abstract: The present invention is a gas barrier laminate comprising a base and a gas barrier unit, the gas barrier unit comprising at least two inorganic layers, at least one of the at least two inorganic layers being a silicon oxynitride layer, the silicon oxynitride layer including a composition-gradient region that has a thickness of 25 nm or more, the composition-gradient region being a region in which a content ratio of oxygen decreases and a content ratio of nitrogen increases in a thickness direction toward the base, and a ratio of the thickness of the composition-gradient region to the thickness of the entire silicon oxynitride layer being 0.15 or more. The present invention also relates to: an electronic device member that includes the gas barrier laminate, and an electronic device that includes the electronic device member.
    Type: Application
    Filed: March 28, 2014
    Publication date: March 17, 2016
    Applicant: LINTEC CORPORATION
    Inventors: Yuuta SUZUKI, Wataru IWAYA, Koichi NAGAMOTO, Takeshi KONDO
  • Publication number: 20160053130
    Abstract: This laminate is a laminate (10A) comprising a base (1) and a gas barrier unit (4), the gas barrier unit (4) comprising a first barrier layer (2a), a second barrier layer (2b), and an organic intermediate layer (3) that is situated between the first barrier layer (2a) and the second barrier layer (2b), and has a modulus of elasticity at 90° C. of 1.5 GPa or more, a ratio (X/Y1) of a thickness (X) of the organic intermediate layer (3) to a thickness (Y1) of the first barrier layer (2a) being 3 to 18, and a ratio (X/Y2) of the thickness (X) of the organic intermediate layer (3) to a thickness (Y2) of the second barrier layer (2b) being 3 to 18. The present invention provides a laminate that exhibits an excellent gas barrier capability, and rarely shows deterioration in gas barrier capability even when a thermal load is applied.
    Type: Application
    Filed: March 28, 2014
    Publication date: February 25, 2016
    Applicant: LINTEC Corporation
    Inventors: Yuuta SUZUKI, Koichi NAGAMOTO, Takeshi KONDO
  • Publication number: 20150367602
    Abstract: Provided is a gas barrier film laminate comprising at least two gas barrier films, the gas barrier film laminate having a structure in which two gas barrier films that are situated adjacent to each other are stacked through an adhesive layer, the adhesive layer being formed by curing an adhesive composition layer that is formed using an energy ray-curable adhesive composition by applying energy rays to the adhesive composition layer. Also provided are a method for producing the gas barrier film laminate and an electronic device comprising the gas barrier film laminate. The present invention provides: a gas barrier film laminate that exhibits an excellent moisture barrier capability, and rarely shows a deterioration in external appearance (e.g., due to occurrence of air bubbles) even when allowed to stand at a high temperature and a high humidity for a long time, a method for producing the gas barrier film laminate, and an electronic device that includes the gas barrier film laminate.
    Type: Application
    Filed: February 12, 2014
    Publication date: December 24, 2015
    Applicant: LINTEC CORPORATION
    Inventors: Wataru IWAYA, Satoshi NAGANAWA, Koichi NAGAMOTO, Takeshi KONDO
  • Publication number: 20150099094
    Abstract: The present invention provides: a gas barrier laminate comprising a base, a primer layer, and a gas barrier layer, the primer layer and the gas barrier layer being sequentially stacked on at least one side of the base, the primer layer having a modulus of elasticity at 90° C. of 1.6 GPa or more, and a coefficient of static friction between a surface of one side of the gas barrier laminate and a surface of the other side of the gas barrier laminate being 0.35 to 0.8; a method for producing the gas barrier laminate; an electronic device member comprising the gas barrier laminate; and an electronic device.
    Type: Application
    Filed: March 28, 2013
    Publication date: April 9, 2015
    Applicant: LINTEC CORPORATION
    Inventors: Yuuta Suzuki, Koichi Nagamoto, Takeshi Kondo
  • Patent number: 8993649
    Abstract: Provided is a pressure-sensitive adhesive for polarizing plates which can adhere a polarizing plate on a liquid crystal cell with good adhesion durability and has the characteristic that a liquid crystal display device obtained therefrom is less liable to cause light leakage even under the environment of high temperature and high humidity and which makes it possible remove the polarizing plate.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: March 31, 2015
    Assignee: Lintec Corporation
    Inventors: Koichi Nagamoto, Kentaro Kusama, Mikihiro Kashio, Kazuhiro Kon, Motoyuki Hayakawa
  • Publication number: 20150049440
    Abstract: The present invention is a transparent conductive laminate comprising a base, a low-refractive-index layer, an intermediate-refractive-index layer, and a transparent conductive layer, the low-refractive-index layer, the intermediate-refractive-index layer, and the transparent conductive layer being sequentially stacked on at least one side of the base either directly or through one or more layers, the low-refractive-index layer having a refractive index of 1.40 to 1.50, and the intermediate-refractive-index layer having a refractive index of 1.50 to 1.80 and a film density of 2.5 to 4.5 g/cm3. The present invention provides a transparent conductive laminate that exhibits excellent moisture-heat resistance and excellent optical properties, and an electronic device or module.
    Type: Application
    Filed: March 21, 2013
    Publication date: February 19, 2015
    Applicant: LINTEC CORPORATION
    Inventors: Tsutomu Hara, Yuuta Suzuki, Koichi Nagamoto
  • Publication number: 20150030829
    Abstract: The present invention relates to a gas barrier film laminate comprising at least two gas barrier films, the gas barrier film laminate having a configuration in which two adjacent gas barrier films are stacked through a pressure-sensitive adhesive layer, and the pressure-sensitive adhesive layer having a shear load reduction ratio ? (%) given by an expression (I) in claim 1, of 70% or less; and an adhesive film that is used to produce a gas barrier film laminate that includes at least two gas barrier films, and has a configuration in which two adjacent gas barrier films are stacked through a pressure-sensitive adhesive layer, the adhesive film comprising at least a gas barrier film and a pressure-sensitive adhesive layer that are stacked adjacent to each other, the pressure-sensitive adhesive layer having a shear load reduction ratio ? (%) given by an expression (I) in claim 11, of 70% or less.
    Type: Application
    Filed: March 5, 2013
    Publication date: January 29, 2015
    Applicant: LINTEC CORPORATION
    Inventors: Suguru Kenmochi, Satoshi Naganawa, Koichi Nagamoto
  • Publication number: 20140178622
    Abstract: The present invention is a gas barrier pressure-sensitive adhesive sheet comprising at least one gas barrier layer and at least one pressure-sensitive adhesive layer, the at least one pressure-sensitive adhesive layer having a storage modulus at 23° C. of 1.5×104 to 1.0×107 Pa, and the gas barrier pressure-sensitive adhesive sheet not including a base layer.
    Type: Application
    Filed: July 25, 2012
    Publication date: June 26, 2014
    Applicant: LINTEC CORPORATION
    Inventors: Emi Fuchi, Suguru Kenmochi, Satoshi Naganawa, Koichi Nagamoto
  • Publication number: 20130320322
    Abstract: A problem is to provide a transparent conductive laminate body that has a low surface resistivity and an organic thin film device using the laminate body, and the problem is solved by a transparent conductive laminate body having a transparent substrate having laminated directly on at least one surface thereof in this order a conductive metal pattern layer and a conductive organic layer having a conductive organic polymer compound, a material for forming the conductive metal pattern layer being at least one metal selected from gold, silver, copper and platinum, or an alloy having the metal, and an organic thin film device using the same.
    Type: Application
    Filed: November 28, 2011
    Publication date: December 5, 2013
    Applicant: LINTEC CORPORATION
    Inventors: Tsuyoshi Muto, Koichi Nagamoto, Kunihisa Kato