Patents by Inventor Yuiko MARUYAMA

Yuiko MARUYAMA 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: 11939492
    Abstract: The present invention provides an adhesive resin composition that has excellent adhesiveness and durability, a method for bonding adherends, and an adhesive resin film. More specifically, the present invention relates to an adhesive resin composition containing more than 50 parts by mass and 99.5 parts by mass or less in a solid content of an acid-modified polyolefin resin having a melting point of 50 to 100° C., 0.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: March 26, 2024
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventors: Hirokazu Iizuka, Kunihiro Takei, Yuiko Maruyama, Yuki Sato
  • Patent number: 11904577
    Abstract: A hot-melt adhesive resin film includes a first adhesive layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second adhesive layer, which are laminated in this order, in which the first adhesive layer and the second adhesive layer include an acid-modified polyolefin resin.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: February 20, 2024
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventors: Kunihiro Takei, Yuiko Maruyama, Hirokazu Iizuka
  • Patent number: 11826991
    Abstract: The present invention relates to a hot-melt adhesive resin film having an excellent adhesive force and durability to various adherends such as metal, glass, and plastic, and a production method thereof. More particularly, the present invention relates to a hot-melt adhesive resin film including a first surface layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second surface layer, which are laminated in this order, in which the first intermediate layer and the second intermediate layer include a resin which is obtained by modifying a copolymer of propylene and 1-butene with maleic acid, and a production method thereof.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: November 28, 2023
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventors: Kunihiro Takei, Yuiko Maruyama, Hirokazu Iizuka
  • Publication number: 20220275258
    Abstract: The present invention provides an adhesive resin composition that has excellent adhesiveness and durability, a method for bonding adherends, and an adhesive resin film. More specifically, the present invention relates to an adhesive resin composition containing more than 50 parts by mass and 99.5 parts by mass or less in a solid content of an acid-modified polyolefin resin having a melting point of 50 to 100° C., 0.
    Type: Application
    Filed: May 13, 2022
    Publication date: September 1, 2022
    Inventors: Hirokazu IIZUKA, Kunihiro TAKEI, Yuiko MARUYAMA, Yuki SATO
  • Patent number: 11359117
    Abstract: The present invention provides an adhesive resin composition that has excellent adhesiveness and durability, a method for bonding adherends, and an adhesive resin film More specifically, the present invention relates to an adhesive resin composition containing more than 50 parts by mass and 99.5 parts by mass or less in a solid content of an acid-modified polyolefin resin having a melting point of 50 to 100° C., 0.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: June 14, 2022
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventors: Hirokazu Iizuka, Kunihiro Takei, Yuiko Maruyama, Yuki Sato
  • Publication number: 20220001655
    Abstract: The present invention relates to a hot-melt adhesive resin film having an excellent adhesive force and durability to various adherends such as metal, glass, and plastic, and a production method thereof. More particularly, the present invention relates to a hot-melt adhesive resin film including a first surface layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second surface layer, which are laminated in this order, in which the first intermediate layer and the second intermediate layer include a resin which is obtained by modifying a copolymer of propylene and 1-butene with maleic acid, and a production method thereof.
    Type: Application
    Filed: September 15, 2021
    Publication date: January 6, 2022
    Inventors: Kunihiro TAKEI, Yuiko MARUYAMA, Hirokazu IIZUKA
  • Patent number: 11148401
    Abstract: The present invention relates to a hot-melt adhesive resin film having an excellent adhesive force and durability to various adherends such as metal, glass, and plastic, and a production method thereof. More particularly, the present invention relates to a hot-melt adhesive resin film including a first surface layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second surface layer, which are laminated in this order, in which the first intermediate layer and the second intermediate layer include a resin which is obtained by modifying a copolymer of propylene and 1-butene with maleic acid, and a production method thereof.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: October 19, 2021
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventors: Kunihiro Takei, Yuiko Maruyama, Hirokazu Iizuka
  • Patent number: 11007756
    Abstract: The present invention relates to a hot-melt adhesive resin film which does not cause peeling between respective layers, has an excellent adhesive force, and has strong adherability even in severe durability evaluation, to various planar or film-like adherends such as metal, glass, and plastic, and a production method thereof. More particularly, the present invention relates to a hot-melt adhesive resin film including a first adhesive layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second adhesive layer, which are laminated in this order, in which the first adhesive layer and the second adhesive layer comprise an acid-modified polyolefin resin, and a production method thereof.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: May 18, 2021
    Assignee: FUJIMORI KOGYO CO., LTD.
    Inventors: Kunihiro Takei, Yuiko Maruyama, Hirokazu Iizuka
  • Publication number: 20210008854
    Abstract: A hot-melt adhesive resin film includes a first adhesive layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second adhesive layer, which are laminated in this order, in which the first adhesive layer and the second adhesive layer include an acid-modified polyolefin resin.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Inventors: Kunihiro TAKEI, Yuiko MARUYAMA, Hirokazu IIZUKA
  • Publication number: 20190031928
    Abstract: The present invention provides an adhesive resin composition that has excellent adhesiveness and durability, a method for bonding adherends, and an adhesive resin film More specifically, the present invention relates to an adhesive resin composition containing more than 50 parts by mass and 99.5 parts by mass or less in a solid content of an acid-modified polyolefin resin having a melting point of 50 to 100° C., 0.
    Type: Application
    Filed: December 12, 2016
    Publication date: January 31, 2019
    Inventors: Hirokazu IIZUKA, Kunihiro TAKEI, Yuiko MARUYAMA, Yuki SATO
  • Publication number: 20190001634
    Abstract: The present invention relates to a hot-melt adhesive resin film which does not cause peeling between respective layers, has an excellent adhesive force, and has strong adherability even in severe durability evaluation, to various planar or film-like adherends such as metal, glass, and plastic, and a production method thereof. More particularly, the present invention relates to a hot-melt adhesive resin film including a first adhesive layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second adhesive layer, which are laminated in this order, in which the first adhesive layer and the second adhesive layer comprise an acid-modified polyolefin resin, and a production method thereof.
    Type: Application
    Filed: August 3, 2016
    Publication date: January 3, 2019
    Inventors: Kunihiro TAKEI, Yuiko MARUYAMA, Hirokazu IIZUKA
  • Publication number: 20190001635
    Abstract: The present invention relates to a hot-melt adhesive resin film having an excellent adhesive force and durability to various adherends such as metal, glass, and plastic, and a production method thereof. More particularly, the present invention relates to a hot-melt adhesive resin film including a first surface layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second surface layer, which are laminated in this order, in which the first intermediate layer and the second intermediate layer include a resin which is obtained by modifying a copolymer of propylene and 1-butene with maleic acid, and a production method thereof.
    Type: Application
    Filed: August 3, 2016
    Publication date: January 3, 2019
    Inventors: Kunihiro TAKEI, Yuiko MARUYAMA, Hirokazu IIZUKA