Patents by Inventor Kayo Shimokawa

Kayo Shimokawa 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).

  • Publication number: 20240140077
    Abstract: A surface-modified member in which a surface-modifying layer is laminated over at least a part of a resin member containing a thermosetting resin, the surface-modified member containing: a mixed layer that the resin member and the surface-modifying layer are mixed between the resin member and the surface-modifying layer, in which the mixed layer has a thickness of 250 nm to 10 ?m.
    Type: Application
    Filed: February 16, 2022
    Publication date: May 2, 2024
    Inventors: Asuka ENDO, Kayo SHIMOKAWA, Ryohei OBAN, Shigeki ISHIGURO
  • Patent number: 11951729
    Abstract: A laminated sheet includes a first porous layer including a plurality of fibers of at least one of inorganic fiber or carbonized fiber; and a second porous layer formed of a plurality of organic fibers, wherein the laminated sheet has a surface density of greater than or equal to 400 g/m2 and less than or equal to 1550 g/m2, wherein the second porous layer is formed of the plurality of organic fibers having a mean diameter of fibers being greater than or equal to 0.5 ?m and less than or equal to 14 ?m, and wherein, expressing a total volume of solids and voids filling a unit volume of the second porous layer as 100%, a percentage of the solids is greater than or equal to 1.0% and less than or equal to 8.0%.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: April 9, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shigeki Ishiguro, Kayo Shimokawa, Tetsuya Otsuka, Hidetoshi Maikawa
  • Publication number: 20240026100
    Abstract: A surface-modifying sheet contains a release sheet and a surface-modifying layer, the surface-modifying layer has a 160° C. storage modulus of 5.0×103 to 1.0×107 Pa, and the surface-modifying layer has a surface tension of 38 mN/m or higher.
    Type: Application
    Filed: January 21, 2022
    Publication date: January 25, 2024
    Inventors: Ryohei OBAN, Kayo SHIMOKAWA, Asuka ENDO, Shigeki ISHIGURO
  • Patent number: 11560499
    Abstract: The present invention relates to an adhesive composition containing a base polymer and a moisture-curable component, wherein the base polymer contains a polymer having no functional group which reacts with the moisture-curable component, and a water content of the base polymer after storage at 25° C. and 50% RH for 24 hours is 0.1% by weight or less, and wherein the moisture-curable component is contained in an unreacted state, an adhesive layer made from the adhesive composition, and an adhesive sheet including the adhesive layer.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: January 24, 2023
    Assignee: NITTO DENKO CORPORATION
    Inventors: Yoshiko Kira, Kensuke Tani, Ryoko Asai, Kayo Shimokawa, Kenichi Okada
  • Publication number: 20220371314
    Abstract: The present invention relates to a method for manufacturing a laminate, including: a laminating step of laminating a side of a thermal transfer layer of a thermal transfer sheet having a release sheet and the thermal transfer layer on at least a part of a surface of a resin member by heat bonding, in which the release sheet has no yield points, and has an elongation at break of 100% to 600% in a stress-strain curve measured by a tensile test at a molding temperature T?° C. in the laminating step.
    Type: Application
    Filed: October 19, 2020
    Publication date: November 24, 2022
    Inventors: Shigeki ISHIGURO, Asuka ENDO, Kayo SHIMOKAWA, Yosuke MAKIHATA, Ryohei OBAN, Kenichi OKADA
  • Publication number: 20220186093
    Abstract: The present invention relates to an adhesive composition containing a base polymer, a water-absorbing material, and a moisture-curable component, wherein the moisture-curable component is contained in an unreacted state, an adhesive layer made from the adhesive composition, and an adhesive sheet including the adhesive layer.
    Type: Application
    Filed: March 1, 2022
    Publication date: June 16, 2022
    Inventors: Ryoko ASAI, Kayo SHIMOKAWA, Kensuke TANI, Yoshiko KIRA, Kenichi OKADA
  • Publication number: 20220134727
    Abstract: The present invention relates to a method for manufacturing a laminate, including a laminating step of laminating a side of a thermal transfer layer of a thermal transfer sheet having a release sheet and the thermal transfer layer on at least a part of a surface of a resin member by heat bonding, in which the release sheet has a thermal expansion coefficient ? of ?15%???+7.5% at a molding temperature T?° C. in the laminating step.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 5, 2022
    Inventors: Kayo SHIMOKAWA, Yosuke MAKIHATA, Asuka ENDO, Eriko NAKAO, Kenichi OKADA, Ryohei OBAN, Shigeki ISHIGURO
  • Publication number: 20210238373
    Abstract: The present invention relates to a surface-modifying sheet including a release sheet and a surface-modifying layer, the surface-modifying layer having an average thickness of 0.1 ?m to 50 ?m, and the difference between the maximum value and the minimum value of the thickness of the surface-modifying layer being less than twice the average thickness; and a surface-modified member, a coated article and a method for producing a coated article, using the surface-modifying sheet.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 5, 2021
    Inventors: Eriko NAKAO, Asuka ENDO, Kenichi OKADA, Yosuke MAKIHATA, Kayo SHIMOKAWA
  • Publication number: 20210238454
    Abstract: The present invention relates to a surface-modifying sheet including a release sheet and a surface-modifying layer, and the surface-modifying layer containing a component that reacts with a thermosetting resin; a surface-modified member, a coated article, a printed article and a joined body, using the surface-modifying sheet; and a method for producing a surface-modified member.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 5, 2021
    Inventors: Yosuke MAKIHATA, Asuka ENDO, Eriko NAKAO, Kenichi OKADA, Fumika KAWATAKE, Naoyuki NISHIYAMA, Kayo SHIMOKAWA
  • Publication number: 20210237396
    Abstract: A laminated sheet includes a first porous layer including a plurality of fibers of at least one of inorganic fiber or carbonized fiber; and a second porous layer formed of a plurality of organic fibers, wherein the laminated sheet has a surface density of greater than or equal to 400 g/m2 and less than or equal to 1550 g/m2, wherein the second porous layer is formed of the plurality of organic fibers having a mean diameter of fibers being greater than or equal to 0.5 ?m and less than or equal to 14 ?m, and wherein, expressing a total volume of solids and voids filling a unit volume of the second porous layer as 100%, a percentage of the solids is greater than or equal to 1.0% and less than or equal to 8.0%.
    Type: Application
    Filed: May 30, 2019
    Publication date: August 5, 2021
    Inventors: Shigeki ISHIGURO, Kayo SHIMOKAWA, Tetsuya OTSUKA, Hidetoshi MAIKAWA
  • Patent number: 10883022
    Abstract: A pressure-sensitive adhesive composition for an optical film, includes a (meth)acryl-based polymer obtained by polymerization of a monomer component including, as a main component, an alkyl (meth)acrylate having an alkyl group of 4 to 18 carbon atoms; and a phosphate ester compound. The pressure-sensitive adhesive composition is capable of forming a pressure-sensitive adhesive layer for optical films. The pressure-sensitive adhesive layer that is for use on optical films and makes it possible to suppress an increase in the surface resistance of a transparent conductive layer even when a laminate including a transparent conductive layer and an optical film such as a polarizing plate with the pressure-sensitive adhesive layer interposed therebetween is stored under hot and humid conditions.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: January 5, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Mizuho Nagata, Toshitaka Takahashi, Yousuke Makihata, Kayo Shimokawa, Kenichi Okada, Toshitsugu Hosokawa
  • Patent number: 10696877
    Abstract: A curable resin composition for forming an adhesive layer on at least one surface of a substrate (C), the curable resin composition comprising: a compound (A) represented by formula (1): wherein X represents a functional group containing a reactive group, and R1 and R2 each independently represent a hydrogen atom or an optionally substituted, aliphatic hydrocarbon, aryl, or heterocyclic group; and an adhesion aid compound (B), the curable resin composition satisfying formula (X): ?10?HSP (A)?HSP (B)?10 and formula (Y): ?10?HSP (C)?HSP (B)?10, wherein HSP (A) is an HSP value of the compound (A), HSP (B) is an HSP value of the adhesion aid compound (B), and HSP (C) is an HSP value of the substrate (C).
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: June 30, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kayo Shimokawa, Ryoko Asai, Taiki Shimokuri, Yoshiaki Ito, Tatsuya Yamasaki
  • Publication number: 20200063004
    Abstract: The present invention relates to an adhesive composition containing a base polymer, a water-absorbing material, and a moisture-curable component, wherein the moisture-curable component is contained in an unreacted state, an adhesive layer made from the adhesive composition, and an adhesive sheet including the adhesive layer.
    Type: Application
    Filed: November 29, 2017
    Publication date: February 27, 2020
    Inventors: Ryoko ASAI, Kayo SHIMOKAWA, Kensuke TANI, Yoshiko KIRA, Kenichi OKADA
  • Publication number: 20190292425
    Abstract: The present invention relates to an adhesive composition containing a base polymer and a moisture-curable component, wherein the base polymer contains a polymer having no functional group which reacts with the moisture-curable component, and a water content of the base polymer after storage at 25° C. and 50% RH for 24 hours is 0.1% by weight or less, and wherein the moisture-curable component is contained in an unreacted state, an adhesive layer made from the adhesive composition, and an adhesive sheet including the adhesive layer.
    Type: Application
    Filed: November 29, 2017
    Publication date: September 26, 2019
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yoshiko KIRA, Kensuke TANI, Ryoko ASAI, Kayo SHIMOKAWA, Kenichi OKADA
  • Publication number: 20170306197
    Abstract: A curable resin composition for forming an adhesive layer on at least one surface of a substrate (C), the curable resin composition comprising: a compound (A) represented by formula (1): wherein X represents a functional group containing a reactive group, and R1 and R2 each independently represent a hydrogen atom or an optionally substituted, aliphatic hydrocarbon, aryl, or heterocyclic group; and an adhesion aid compound (B), the curable resin composition satisfying formula (X): ?10?HSP (A)?HSP (B)?10 and formula (Y): ?10?HSP (C)?HSP (B)?10, wherein HSP (A) is an HSP value of the compound (A), HSP (B) is an HSP value of the adhesion aid compound (B), and HSP (C) is an HSP value of the substrate (C).
    Type: Application
    Filed: April 20, 2017
    Publication date: October 26, 2017
    Inventors: Kayo SHIMOKAWA, Ryoko ASAI, Taiki SHIMOKURI, Yoshiaki ITO, Tatsuya YAMASAKI
  • Publication number: 20160289516
    Abstract: A water-dispersible pressure-sensitive adhesive composition for an optical film includes emulsion particles each having a core-shell structure in which (A) a (meth)acryl copolymer forms a core layer and (B) a (meth)acryl copolymer forms a shell layer in a single emulsion particle, wherein the (meth)acryl copolymer (A) includes a monomer unit derived from an alkyl (meth)acrylate, the (meth)acryl copolymer (B) includes a monomer unit derived from an aromatic ring-containing (meth)acrylic monomer and a monomer unit derived from an alkyl (meth)acrylate, and a content of the monomer unit derived from the aromatic ring-containing (meth)acrylic monomer in the (meth)acryl copolymer (B) is from 1 to 28% by weight based on the total weight of monomer component used to form the (meth)acryl copolymers (A) and (B).
    Type: Application
    Filed: June 10, 2014
    Publication date: October 6, 2016
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yousuke Makihata, Kenichi Okada, Toshitaka Takahashi, Kayo Shimokawa, Taiki Shimokuri, Toshitsugu Hosokawa, Kunihiro Inui
  • Publication number: 20160264826
    Abstract: Provided are a pressure-sensitive adhesive layer-carrying optical member having good antistatic properties, having high tackiness between an optical member and a pressure-sensitive adhesive layer made from a water-dispersible pressure-sensitive adhesive composition, and allowing the pressure-sensitive adhesive layer to have high durability; an image display device including such a pressure-sensitive adhesive layer-carrying optical member; and a method for producing such a pressure-sensitive adhesive layer-carrying optical member, in which the pressure-sensitive adhesive layer-carrying optical member includes a pressure-sensitive adhesive layer made from a water-dispersible pressure-sensitive adhesive composition, an anchor layer made from an anchor-layer-forming coating liquid, and an optical member, wherein the anchor-layer-forming coating liquid includes a polythiophene based polymer, an oxazoline group-containing polymer, and an aqueous solvent including 60% by weight or more of water, and the anchor layer
    Type: Application
    Filed: August 1, 2014
    Publication date: September 15, 2016
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kayo Shimokawa, Toshitaka Takahashi, Yousuke Makihata, Kenichi Okada, Toshitsugu Hosokawa, Masakuni Fujita
  • Publication number: 20160215182
    Abstract: It is an object of the invention to provide a water-dispersible pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer having removability and a sufficient level of adhesion reliability and to provide a pressure-sensitive adhesive layer made from such a water-dispersible pressure-sensitive adhesive composition. It is another object of the invention to provide a pressure-sensitive adhesive optical film including an optical film and such a pressure-sensitive adhesive layer provided on at least one side of the optical film and to provide an image display device having such a pressure-sensitive adhesive optical film. The present invention relates to a water-dispersible pressure-sensitive adhesive composition, comprising emulsion particles each having a core-shell structure in which (A) a (meth)acryl copolymer forms a core layer and (B) another (meth)acryl copolymer forms a shell layer, wherein the (meth)acryl copolymer (B) has a glass transition temperature of ?10° C.
    Type: Application
    Filed: February 7, 2014
    Publication date: July 28, 2016
    Applicant: NITTO DENKO CORPORATION
    Inventors: Toshitaka Takahashi, Yousuke Makihata, Kayo Shimokawa, Mizuho Nagata, Kenichi Okada, Toshitsugu Hosokawa
  • Publication number: 20160130478
    Abstract: A pressure-sensitive adhesive composition for an optical film, includes a (meth)acryl-based polymer obtained by polymerization of a monomer component including, as a main component, an alkyl(meth)acrylate having an alkyl group of 4 to 18 carbon atoms; and a phosphate ester compound. The pressure-sensitive adhesive composition is capable of forming a pressure-sensitive adhesive layer for optical films. The pressure-sensitive adhesive layer that is for use on optical films and makes it possible to suppress an increase in the surface resistance of a transparent conductive layer even when a laminate including a transparent conductive layer and an optical film such as a polarizing plate with the pressure-sensitive adhesive layer interposed therebetween is stored under hot and humid conditions.
    Type: Application
    Filed: June 24, 2014
    Publication date: May 12, 2016
    Applicant: NITTO DENKO CORPORATION
    Inventors: Mizuho Nagata, Toshitaka Takahashi, Yousuke Makihata, Kayo Shimokawa, Kenichi Okada, Toshitsugu Hosokawa
  • Publication number: 20150353787
    Abstract: It is an object of the invention to provide a water-dispersible pressure-sensitive adhesive composition that is suitable for use on a transparent conductive layer and capable of forming a pressure-sensitive adhesive layer effective in suppressing the corrosion of various adherends such as transparent conductive thin coatings, in particular, effective in suppressing the corrosion in a high-temperature environment and a high-temperature, high-humidity environment, and capable of providing good optical properties on a transparent conductive layer.
    Type: Application
    Filed: December 20, 2013
    Publication date: December 10, 2015
    Applicant: NITTO DENKO CORPORATION
    Inventors: Mizuho Nagata, Kenichi Okada, Toshitaka Takahashi, Yousuke Makihata, Kayo Shimokawa, Toshitsugu Hosokawa