Patents by Inventor Takako Hoshino

Takako Hoshino 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: 20240117517
    Abstract: Disclosed is an Fe-based electroplated steel sheet including: a Si-containing cold-rolled steel sheet containing Si in an amount of 0.1 mass % or more and 3.0 mass % or less; and an Fe-based electroplating layer formed on at least one surface of the Si-containing cold-rolled steel sheet with a coating weight per surface of 5.0 g/m2 or more, in which in an intensity profile measured by glow discharge optical emission spectrometry, a peak of emission intensity at wavelengths indicating Si is detected within a range from a surface of the Fe-based electroplating layer to more than 0.2 ?m in a thickness direction and not more than a thickness of the Fe-based electroplating layer, and an average value of C concentration in a region ranging from 10 ?m to 20 ?m in the thickness direction from the surface of the Fe-based electroplating layer is 0.10 mass % or less.
    Type: Application
    Filed: November 5, 2021
    Publication date: April 11, 2024
    Applicant: JFE STEEL CORPORATION
    Inventors: Shunsuke YAMAMOTO, Katsutoshi TAKASHIMA, Yusuke OKUMURA, Tomomi KANAZAWA, Katsuya HOSHINO, Takashi KAWANO, Takako YAMASHITA, Hiroshi MATSUDA, Yoichi MAKIMIZU
  • Publication number: 20210261700
    Abstract: An object of the present invention is to provide a two-part composition containing a first agent and a second agent: the first agent comprising (1) (meth)acrylate and (2) organoboron compound, and having an oxygen content of 5 ppm or less, and the second agent comprising (3) phosphate ester.
    Type: Application
    Filed: June 14, 2019
    Publication date: August 26, 2021
    Applicant: DENKA COMPANY LIMITED
    Inventors: Takako HOSHINO, Yoshitsugu GOTO
  • Patent number: 11098225
    Abstract: Provided is an adhesive composition having high adhesiveness to polyamides. An adhesive composition for bonding adherends comprising a polyamide, comprising the following components (1) to (4): (meth)acrylates (1), excluding the component (2), comprising the following ingredients (1-1), (1-2), and (1-3): a (meth)acrylate (1-1), excluding an ingredient (1-3), having an aromatic group; a (meth)acrylate (1-2) having a hydroxy group; and a (meth)acrylate (1-3) represented by general formula (A); an acidic phosphate compound (2); a polymerization initiator (3); and a reducing agent (4) comprising a transition metal salt.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: August 24, 2021
    Assignee: DENKA COMPANY LIMITED
    Inventors: Makiko Sasaki, Takako Hoshino, Gosuke Nakajima
  • Patent number: 11072730
    Abstract: A composition having excellent adhesiveness to poorly adhesive materials such as polyolefins is provided. The solution is a composition comprising the following (1) to (2): (1) (meth)acrylates containing the following (1-1) to (1-3): (1-1) a (meth)acrylate having a hydroxyl group, (1-2) an alkyl (meth)acrylate, and (1-3) a (meth)acrylate having a cyclic ether skeleton, and (2) an organoboron compound. The content ratio of (1-1), (1-2), and (1-3) is (1-1):(1-2):(1-3)=(10 to 90):(5 to 80):(5 to 80) in mass ratio in 100 parts by mass of (1) (meth)acrylates.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: July 27, 2021
    Assignee: DENKA COMPANY LIMITED
    Inventors: Takako Hoshino, Masaya Umeyama, Yukihiko Yamashita
  • Patent number: 11008486
    Abstract: A composition having excellent adhesiveness to poorly adhesive materials such as polyolefins is provided. The solution is a composition comprising the following (1) to (2): (1) (meth)acrylates containing the following (1-1) to (1-3): (1-1) a (meth)acrylate having a hydroxyl group, (1-2) an alkyl (meth)acrylate, and (1-3) a (meth)acrylate having a cyclic ether skeleton, and (2) an organoboron compound. The content ratio of (1-1), (1-2), and (1-3) is (1-1):(1-2):(1-3)=(10 to 90):(5 to 80):(5 to 80) in mass ratio in 100 parts by mass of (1) (meth)acrylates.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: May 18, 2021
    Assignee: DENKA COMPANY LIMITED
    Inventors: Takako Hoshino, Masaya Umeyama, Yukihiko Yamashita
  • Patent number: 10683414
    Abstract: A resin composition is provided that is capable of inhibiting degradation of the organic EL device. The resin composition, includes: (A) an alicyclic epoxy compound; (B) a bisphenol A epoxy resin; (C) a bisphenol F epoxy resin; and (D) a photocationic polymerization initiator. The bisphenol A epoxy resin (B) and the bisphenol F epoxy resin (C) are compounds not having the alicyclic epoxy compound (A) and the resin composition has a moisture content of 1000 ppm or less. Alternatively, the resin composition may further include a filler (H) and may have a moisture content of 50 ppm or more.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: June 16, 2020
    Assignee: DENKA COMPANY LIMITED
    Inventors: Takako Hoshino, Yuki Hisha, Yoshitsugu Goto
  • Publication number: 20200102483
    Abstract: A composition having excellent adhesiveness to poorly adhesive materials such as polyolefins is provided. The solution is a composition comprising the following (1) to (2): (1) (meth)acrylates containing the following (1-1) to (1-3): (1-1) a (meth)acrylate having a hydroxyl group, (1-2) an alkyl (meth)acrylate, and (1-3) a (meth)acrylate having a cyclic ether skeleton, and (2) an organoboron compound. The content ratio of (1-1), (1-2), and (1-3) is (1-1):(1-2):(1-3)=(10 to 90):(5 to 80):(5 to 80) in mass ratio in 100 parts by mass of (1) (meth)acrylates.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 2, 2020
    Applicant: DENKA COMPANY LIMITED
    Inventors: Takako HOSHINO, Masaya UMEYAMA, Yukihiko YAMASHITA
  • Publication number: 20190276715
    Abstract: Provided is an adhesive composition having high adhesiveness to polyamides. An adhesive composition for bonding adherends comprising a polyamide, comprising the following components (1) to (4): (meth)acrylates (1), excluding the component (2), comprising the following ingredients (1-1), (1-2), and (1-3): a (meth)acrylate (1-1), excluding an ingredient (1-3), having an aromatic group; a (meth)acrylate (1-2) having a hydroxy group; and a (meth)acrylate (1-3) represented by general formula (A); an acidic phosphate compound (2); a polymerization initiator (3); and a reducing agent (4) comprising a transition metal salt.
    Type: Application
    Filed: July 19, 2017
    Publication date: September 12, 2019
    Applicant: Denka Company Limited
    Inventors: Makiko SASAKI, Takako HOSHINO, Gosuke NAKAJIMA
  • Patent number: 10273389
    Abstract: Provided is a resin composition comprising (A) an epoxy compound, (B) an epoxy resin, and (C) a photocationic polymerization initiator. Preferably, this resin composition has a moisture content of 1000 ppm or less and a chlorine content of 1000 ppm or less. This resin composition is an energy beam-curable resin composition having accurate coating properties, excellent adhesiveness, low moisture permeability, excellent adhesive durability, and excellent storage stability.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: April 30, 2019
    Assignee: DENKA COMPANY LIMITED
    Inventors: Takako Hoshino, Yoshitsugu Goto, Kimihiko Yoda
  • Publication number: 20170009071
    Abstract: A resin composition is provided that is capable of inhibiting degradation of the organic EL device. The resin composition, includes: (A) an alicyclic epoxy compound; (B) a bisphenol A epoxy resin; (C) a bisphenol F epoxy resin; and (D) a photocationic polymerization initiator. The bisphenol A epoxy resin (B) and the bisphenol F epoxy resin (C) are compounds not having the alicyclic epoxy compound (A) and the resin composition has a moisture content of 1000 ppm or less. Alternatively, the resin composition may further include a filler (H) and may have a moisture content of 50 ppm or more.
    Type: Application
    Filed: January 21, 2015
    Publication date: January 12, 2017
    Applicant: Denka Company Limited
    Inventors: Takako Hoshino, Yuki Hisha, Yoshitsugu Goto
  • Publication number: 20150210905
    Abstract: Provided is a resin composition comprising (A) an epoxy compound, (B) an epoxy resin, and (C) a photocationic polymerization initiator. Preferably, this resin composition has a moisture content of 1000 ppm or less and a chlorine content of 1000 ppm or less. This resin composition is an energy beam-curable resin composition having accurate coating properties, excellent adhesiveness, low moisture permeability, excellent adhesive durability, and excellent storage stability.
    Type: Application
    Filed: July 24, 2013
    Publication date: July 30, 2015
    Applicant: DENKI KAGAKU KOGYO KABUSHIKI KAISHA
    Inventors: Takako Hoshino, Yoshitsugu Goto, Kimihiko Yoda
  • Patent number: 8901192
    Abstract: Provided is an adhesive (meth)acrylic resin composition being high in adhesiveness and capable of affording an adhered body which can be used at high temperatures of 250° C. or higher, and possessing low outgassing property and heat resistance. A (meth)acrylic resin composition including (A) a polyfunctional (meth)acrylate, and (B) a photopolymerization initiator that exhibits a mass loss on heating of 15% by mass or less when increasing temperature from 30° C. to 250° C. at a temperature increase rate of 10° C./min. under nitrogen flow, wherein the glass transition temperature of a cured body obtained from the composition is 250° C. or higher.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: December 2, 2014
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Hiroyuki Kurimura, Isamu Ichikawa, Takayuki Nagumo, Takako Hoshino, Jun Watanabe
  • Publication number: 20120205043
    Abstract: Provided is an adhesive (meth)acrylic resin composition being high in adhesiveness and capable of affording an adhered body which can be used at high temperatures of 250° C. or higher, and possessing low outgassing property and heat resistance. A (meth)acrylic resin composition including (A) a polyfunctional (meth)acrylate, and (B) a photopolymerization initiator that exhibits a mass loss on heating of 15% by mass or less when increasing temperature from 30° C. to 250° C. at a temperature increase rate of 10° C./min. under nitrogen flow, wherein the glass transition temperature of a cured body obtained from the composition is 250° C. or higher.
    Type: Application
    Filed: October 20, 2010
    Publication date: August 16, 2012
    Applicant: DENKI KAGAKU KOGYO KABUSHIKI KAISHA
    Inventors: Hiroyuki Kurimura, Isamu Ichikawa, Takayuki Nagumo, Takako Hoshino, Jun Watanabe