Patents by Inventor Wataru Iwaya

Wataru Iwaya 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: 11512231
    Abstract: This gas barrier laminate comprises a base layer; a gas barrier layer laminated on one surface (A) of the base layer, directly or with another layer sandwiched therebetween; a protective film (?) laminated directly on the gas barrier layer; and a protective film (?) laminated on a surface (B) opposite to the surface (A) of the base layer, directly or with another layer sandwiched therebetween, wherein the gas barrier layer contains a specific inorganic compound, and an adhesion at the time of peeling the protective film (?) and an adhesion at the time of peeling the protective film (?) under specific conditions are both less than or equal to specific values.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: November 29, 2022
    Assignee: LINTEC CORPORATION
    Inventors: Takumi Furuya, Wataru Iwaya, Takehiro Ohashi
  • Publication number: 20200236804
    Abstract: The invention is a laminate comprising at least a base layer, a gas barrier layer, and a layer composed of a cured product of an energy-curable resin, wherein: the gas barrier layer is laminated directly or via another layer on one side of the base layer; and the layer composed of the cured product of the energy-curable resin is laminated directly or via another layer on a side opposite to the gas barrier layer of the base layer. According to the present invention, there are provided a laminate excellent in gas barrier properties and unlike to cause a curl and a thermal contraction even when a thermal history is given so as to be suitably applicable to a sticking process to electronic devices, a member for electronic devices composed of the laminate, and an electronic device equipped with the member for electronic devices.
    Type: Application
    Filed: May 11, 2017
    Publication date: July 23, 2020
    Applicant: LINTEC Corporation
    Inventors: Takumi FURUYA, Satoshi NAGANAWA, Wataru IWAYA, Takehiro OHASHI
  • Publication number: 20200032115
    Abstract: This gas barrier laminate comprises a base layer; a gas barrier layer laminated on one surface (A) of the base layer, directly or with another layer sandwiched therebetween; a protective film (?) laminated directly on the gas barrier layer; and a protective film (?) laminated on a surface (B) opposite to the surface (A) of the base layer, directly or with another layer sandwiched therebetween, wherein the gas barrier layer contains a specific inorganic compound, and an adhesion at the time of peeling the protective film (?) and an adhesion at the time of peeling the protective film (?) under specific conditions are both less than or equal to specific values.
    Type: Application
    Filed: March 23, 2018
    Publication date: January 30, 2020
    Applicant: LINTEC CORPORATION
    Inventors: Takumi FURUYA, Wataru IWAYA, Takehiro OHASHI
  • 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
  • Publication number: 20190232611
    Abstract: The present invention provides a laminate film comprising at least a base and a gas barrier layer, elongation strain (?) generated in a surface of the gas barrier layer, which is calculated by a following formula (1), is 0.8% or less; an electronic device member including the laminate film; and an electronic device equipped with the electronic device member. In formula (1), T is a distance [m] from a surface farthest from the gas barrier layer to the gas barrier layer in a thickness direction of the laminate film, and ? is a distance, from the surface of the laminate film, of a hypothetical plane (?) in the laminate film in which stress does not occur. According to the present invention, there are provided a laminate film excellent in gas barrier properties and bending properties, an electronic device member including this laminate film, and an electronic device equipped with this electronic device member.
    Type: Application
    Filed: October 20, 2017
    Publication date: August 1, 2019
    Applicant: LINTEC CORPORATION
    Inventors: Satoshi NAGANAWA, Takehiro OHASHI, Wataru IWAYA
  • 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
  • Publication number: 20190088903
    Abstract: This gas barrier laminate is comprised such that a base, a gas barrier layer and a protective layer are laminated directly or via another layer in this order, wherein a content rate of oxygen atoms is 20 to 70%, a content rate of nitrogen atoms is 0 to 30% and a content rate of silicon atoms is 25 to 50% relative to the total content of oxygen atoms, nitrogen atoms and silicon atoms in a surface layer part on a protective layer side of the gas barrier layer, and a Young's modulus at 25° C. of the protective layer is not less than 5×109 Pa and not more than 1×1012 Pa. According to the present invention, there are provided: a gas barrier laminate having an excellent gas barrier property, the excellent gas barrier property not being reduced over a long period of time even when it is stuck to a device having a step; a member for an electronic device composed of the gas barrier laminate; and an electronic device comprising the member for electronic device.
    Type: Application
    Filed: March 28, 2017
    Publication date: March 21, 2019
    Applicant: LINTEC Corporation
    Inventors: Satoshi NAGANAWA, Wataru IWAYA, Yoshiaki HAGIHARA
  • Publication number: 20180141308
    Abstract: The present invention is: a gas barrier film comprising a base film and a gas barrier layer formed by modifying a layer containing a polysilazane-based compound and formed on the base film, wherein the gas barrier film has a water vapor transmission rate of 0.100 g/(m2·day) or less, and an amount of hydrogen gas released from the gas barrier layer under an argon gas atmosphere at 60° C. and a relative humidity of 90% is 5.5 ?g or less per cm2 of the gas barrier film; an electronic device member comprising the gas barrier film; and an electronic device comprising this electronic device member. The present invention provides a gas barrier film having a gas barrier layer which has excellent gas barrier properties and has less outgases generation, an electronic device member comprising the gas barrier film, and an electronic device comprising the electronic device member.
    Type: Application
    Filed: April 20, 2016
    Publication date: May 24, 2018
    Applicant: LINTEC CORPORATION
    Inventors: Yuta SUZUKI, Wataru IWAYA
  • Publication number: 20180066160
    Abstract: The present invention is: a gas barrier laminate comprising a base material and a gas barrier unit, wherein the gas barrier unit comprises a gas barrier layer (1) disposed on the base material side, and a gas barrier layer (2) disposed on a surface side of the gas barrier layer (1) opposite to the base material side, and a thickness of the gas barrier unit is 170 nm to 10 ?m; an electronic device member comprising the gas barrier laminate; and an electronic device comprising the electronic device member. The present invention provides: a gas barrier laminate having excellent gas barrier properties and excellent colorlessness and transparency, an electronic device member comprising this gas barrier laminate, and an electronic device comprising this electronic device member.
    Type: Application
    Filed: March 23, 2016
    Publication date: March 8, 2018
    Applicant: LINTEC CORPORATION
    Inventors: Takehiro OHASHI, Wataru IWAYA, Yuta SUZUKI
  • 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: 9556513
    Abstract: The invention is a formed article including a gas barrier layer, the gas barrier layer including a surface layer part that is formed of a material that includes at least a carbon atom, an oxygen atom, and a silicon atom, the surface layer part having a carbon atom content rate of more than 0 and not more than 70%, an oxygen atom content rate of 10 to 70%, a nitrogen atom content rate of 0 to 35%, and a silicon atom content rate of 20 to 55%, based on a total content rate of carbon atoms, oxygen atoms, nitrogen atoms, and silicon atoms; a method for producing the formed article; an electronic device member including the formed article; and an electronic device comprising the electronic device member. The formed article of the invention exhibits an excellent gas barrier capability, excellent transparency, and excellent bending resistance. The method for producing a formed article of the invention can efficiently, safely, and conveniently produce the formed article of the invention.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: January 31, 2017
    Assignee: LINTEC CORPORATION
    Inventors: Wataru Iwaya, Takeshi Kondo
  • Patent number: 9540519
    Abstract: Provided a formed article comprising a layer that includes a polysilazane compound and a clay mineral, and having a water vapor transmission rate at a temperature of 40° C. and a relative humidity of 90% of 6.0 g/m2/day or less. Also provided are a method for producing the formed article, an electronic device member including the formed article, and an electronic device including the electronic device member. The formed article exhibiting an excellent gas barrier capability, excellent transparency, and excellent bending resistance, a method for producing the formed article, and an electronic device member, or the like, comprising the formed article are provided.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: January 10, 2017
    Assignee: LINTEC CORPORATION
    Inventors: Wataru Iwaya, Takeshi Kondo
  • 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: 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
  • Patent number: 9102833
    Abstract: Provided is a curable resin composition comprising a thermoplastic resin (A) that includes a cyclic structure in its main chain, and has a glass transition temperature (Tg) of 140° C. or more, and a monofunctional curable monomer (B). The present invention provides: a cured resin formed article that has heat resistance and low birefringence, a method for producing the same, a curable resin composition and a curable resin formed article that are useful as a raw material for producing the cured resin formed article, and a laminate that includes a layer formed of a cured resin.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: August 11, 2015
    Assignee: LINTEC CORPORATION
    Inventors: Masaharu Ito, Wataru Iwaya, Hironobu Fujimoto, Naoki Taya
  • Patent number: 9023913
    Abstract: The present invention is: a curable resin composition comprising a thermoplastic resin (A), a curable monomer (B), and a photoinitiator (C), the thermoplastic resin (A) including an aromatic ring in its molecule, and having a glass transition temperature (Tg) of 140° C. or more, and the photoinitiator (C) having an absorbance at 380 nm of 0.4 or more when measured in a 0.1 mass % acetonitrile solution; a curable resin formed article obtained by forming the curable resin composition; a cured resin formed article obtained by curing the curable resin formed article; a laminate comprising at least one layer that is formed of a cured resin obtained by curing the curable resin composition. The present invention provides: a cured resin formed article that exhibits excellent heat resistance, includes only a small amount of residual low-boiling-point substance (e.g.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: May 5, 2015
    Assignee: Lintec Corporation
    Inventors: Masaharu Ito, Wataru Iwaya, Hironobu Fujimoto, Naoki Taya
  • Publication number: 20150064429
    Abstract: The present invention is a gas barrier film laminate comprising at least two gas barrier films and a bonding layer, the at least two gas barrier films being stacked through the bonding layer, the bonding layer having a configuration in which a pressure-sensitive adhesive layer is contiguously stacked on each side of a base film A, the base film A being formed of a synthetic resin having a tensile modulus at 23° C. of 3000 to 10,000 MPa. The present invention is also an electronic device member comprising the gas barrier film laminate. According to the present invention, provided are a gas barrier film laminate that exhibits an excellent gas barrier capability and excellent bendability, an electronic device member that includes the gas barrier film laminate, and an electronic device that includes the electronic device member.
    Type: Application
    Filed: March 28, 2013
    Publication date: March 5, 2015
    Applicant: LINTEC CORPORATION
    Inventors: Wataru Iwaya, Satoshi Naganawa
  • Publication number: 20140374665
    Abstract: Provided is a formed article including a layer obtained by implanting ions of a hydrocarbon compound into a polysilazane compound-containing layer. Also provided are a method for producing the formed article, an electronic device member including the formed article, and an electronic device including the electronic device member. The formed article exhibiting an excellent gas barrier capability and excellent bending resistance, a method for producing the formed article, and an electronic device member, or the like, comprising the formed article are provided.
    Type: Application
    Filed: September 12, 2014
    Publication date: December 25, 2014
    Applicant: LINTEC CORPORATION
    Inventors: Wataru IWAYA, Takeshi KONDO, Satoshi NAGANAWA
  • Publication number: 20140364531
    Abstract: The present invention is: a curable resin composition comprising a thermoplastic resin (A), a curable monomer (B), and a photoinitiator (C), the thermoplastic resin (A) including an aromatic ring in its molecule, and having a glass transition temperature (Tg) of 140° C. or more, and the photoinitiator (C) having an absorbance at 380 nm of 0.4 or more when measured in a 0.1 mass % acetonitrile solution; a curable resin formed article obtained by forming the curable resin composition; a cured resin formed article obtained by curing the curable resin formed article; a laminate comprising at least one layer that is formed of a cured resin obtained by curing the curable resin composition. The present invention provides: a cured resin formed article that exhibits excellent heat resistance, includes only a small amount of residual low-boiling-point substance (e.g.
    Type: Application
    Filed: December 11, 2012
    Publication date: December 11, 2014
    Inventors: Masaharu Ito, Wataru Iwaya, Hironobu Fujimoto, Naoki Taya