Patents by Inventor Akihiko Nakayama

Akihiko Nakayama 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: 20220325107
    Abstract: Provided is a decorative film that can reduce temperature increase and exhibit excellent blackness compared to a case where a black layer prepared using a black pigment such as carbon black having a heat ray absorbing capability is employed. A decorative film according to an embodiment of the present disclosure includes a black layer containing a cyan pigment, a magenta pigment, and a yellow pigment, where the decorative film has an average transmittance of approximately 60% or greater for infrared light at a wavelength from 800 to 1800 nm, a light transmittance of approximately 30% or less at a wavelength of 750 nm, and a hue (a*) of approximately 0.80 or less in absolute value and a hue (b*) of approximately 1.2 or less in absolute value.
    Type: Application
    Filed: September 24, 2020
    Publication date: October 13, 2022
    Inventor: Akihiko Nakayama
  • Patent number: 10961379
    Abstract: An ultraviolet crosslinkable composition that can provide a cured product that is easy to mold, can maintain a molded shape even under a high temperature environment, and has excellent physical properties, for example, chemical resistance, scratch resistance and the like. The ultraviolet crosslinkable composition can contain a thermoplastic acrylic resin in which a glass transition temperature is 25° C. or higher and a (meth) acrylic copolymer having an ultraviolet crosslinkable site in which a glass transition temperature is 25° C. or higher.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: March 30, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Minori Kawagoe, Yorinobu Takamatsu, Kyoko Yumiza, Akihiko Nakayama
  • Patent number: 10774242
    Abstract: A design transfer sheet of one embodiment of the present disclosure contains a release layer and a design transfer layer releasably mounted on the release layer, and the design transfer layer contains a thermally adherable first surface layer and a thermally adherable second surface layer in that order from the release layer side.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: September 15, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Daigo Yasuda, Yorinobu Takamatsu, Minori Kawagoe, Akihiko Nakayama
  • Patent number: 10661597
    Abstract: A decorative film that can handle various adherend shapes and application methods and has a visual effect that changes according to viewing angle. The decorative film of one embodiment includes a substrate layer, a photoluminescent layer that is adjacent to the substrate layer and has an unevenly-shaped surface, a transparent resin layer adjacent to the photoluminescent layer, and an outermost layer. A storage elastic modulus of at least the substrate layer or the transparent resin layer is 1×106 Pa to 1.5×108 Pa in a temperature range of 100° C. to 150° C. when measured under conditions of a frequency of 10 Hz and a shearing mode.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: May 26, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Norihito Shibahara, Akihiko Nakayama
  • Patent number: 10046545
    Abstract: A film capable of covering an article having a three-dimensional shape by heat expansion provided by one embodiment of the present disclosure comprises an outermost layer disposed on an outermost surface, and a polyurethane thermal adhesive layer, which contains a thermoplastic polyurethane selected from the group consisting of polyester-based polyurethanes and polycarbonate-based polyurethanes and is thermally adhered to the article during the heat expansion, wherein the fracture strength of the polyurethane thermal adhesive layer is not less than 1 MPa at 135° C., and the storage modulus at 150° C. and frequency 1.0 Hz is from 5×103 Pa to 5×105 Pa, and the coefficient of loss tan ? is not less than 0.1.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: August 14, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yorinobu Takamatsu, Akihiko Nakayama, Daigo Yasuda, Minori Kawagoe
  • Publication number: 20180022910
    Abstract: An ultraviolet crosslinkable composition that can provide a cured product that is easy to mold, can maintain a molded shape even under a high temperature environment, and has excellent physical properties, for example, chemical resistance, scratch resistance and the like. The ultraviolet crosslinkable composition can contain a thermoplastic acrylic resin in which a glass transition temperature is 25° C. or higher and a (meth) acrylic copolymer having an ultraviolet crosslinkable site in which a glass transition temperature is 25° C. or higher.
    Type: Application
    Filed: March 4, 2016
    Publication date: January 25, 2018
    Inventors: Minori Kawagoe, Yorinobu Takamatsu, Kyoko Yumiza, Akihiko Nakayama
  • Publication number: 20170355223
    Abstract: A decorative film that can handle various adherend shapes and application methods and has a visual effect that changes according to viewing angle. The decorative film of one embodiment includes a substrate layer, a photoluminescent layer that is adjacent to the substrate layer and has an unevenly-shaped surface, a transparent resin layer adjacent to the photoluminescent layer, and an outermost layer. A storage elastic modulus of at least the substrate layer or the transparent resin layer is 1×106 Pa to 1.5×108 Pa in a temperature range of 100° C. to 150° C. when measured under conditions of a frequency of 10 Hz and a shearing mode.
    Type: Application
    Filed: February 1, 2016
    Publication date: December 14, 2017
    Inventors: Norihito Shibahara, Akihiko Nakayama
  • Publication number: 20170348953
    Abstract: A film capable of covering an article having a three-dimensional shape by heat expansion provided by one embodiment of the present disclosure comprises an outermost layer disposed on an outermost surface, and a polyurethane thermal adhesive layer, which contains a thermoplastic polyurethane selected from the group consisting of polyester-based polyurethanes and polycarbonate-based polyurethanes and is thermally adhered to the article during the heat expansion, wherein the fracture strength of the polyurethane thermal adhesive layer is not less than 1 MPa at 135° C., and the storage modulus at 150° C. and frequency 1.0 Hz is from 5×103 Pa to 5×105 Pa, and the coefficient of loss tan ? is not less than 0.1.
    Type: Application
    Filed: December 21, 2015
    Publication date: December 7, 2017
    Inventors: Yorinobu Takamatsu, Akihiko Nakayama, Daigo Yasuda, Minori Kawagoe
  • Publication number: 20170326906
    Abstract: A design transfer sheet of one embodiment of the present disclosure contains a release layer and a design transfer layer releasably mounted on the release layer, and the design transfer layer contains a thermally adherable first surface layer and a thermally adherable second surface layer in that order from the release layer side.
    Type: Application
    Filed: December 21, 2015
    Publication date: November 16, 2017
    Inventors: Daigo YASUDA, Yorinobu TAKAMATSU, Minori KAWAGOE, Akihiko NAKAYAMA
  • Patent number: 6942911
    Abstract: A display member having metallic luster is disclosed. The display member includes a substrate, a metallic layer, and a transparent layer in sequence with one another. The display member further includes an adhesive layer on the substrate opposite the metallic layer. The metallic layer is an indium vapor deposition film provided on a surface of the transparent layer. The indium vapor deposition film has a visible ray transmittance of not more than 6% and a thickness of not more than 600 angstroms.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: September 13, 2005
    Assignee: 3M Innovative Properties Company
    Inventor: Akihiko Nakayama
  • Publication number: 20040113899
    Abstract: To provide a display member (1) having metallic luster, which is flexible and is superior in curved surface conformability and durability. A display member (1) having metallic luster, comprising a substrate, a metallic layer (3) and a transparent layer (2) in this sequence, said display member further comprising an adhesive layer (5) on the side opposite to the metallic layer (3) on the substrate, the metallic (3) layer being an indium vapor deposition film provided on the surface of the transparent layer (2), the indium vapor deposition film having a visible ray transmittance of not more than 6% and a thickness of not more than 600 angstroms.
    Type: Application
    Filed: October 25, 2002
    Publication date: June 17, 2004
    Inventor: Akihiko Nakayama
  • Patent number: 6413630
    Abstract: A decorative film having an excellent decorative effect, excellent three-dimensional curvature emulating properties, three-dimensional curvature formability, long-term weather resistance and stain resistance. The decorative film comprises one or more transparent layers and a decorative metal layer. The transparent layer has an adhered side for being adhered to a substrate. The transparent layer comprises a copolymer of a tetrafluoroethylene, a hexafluoropropylene and a vinylidene fluoride. The decorative metal layer is on the adhered side of the transparent layer. A substrate can be bonded to the metal layer of the decorative film. The substrate can be a complex three-dimensional shaped substrate. The substrate can also be an injection molded substrate. An adhesive can be disposed on the metal layer of the decorative film, and the adhesive layer can be disposed between the metal layer and the substrate.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: July 2, 2002
    Assignee: 3M Innovative Properties Company
    Inventor: Akihiko Nakayama
  • Patent number: 4076668
    Abstract: A rubber composition which comprises more than 0.5 wt parts of a cobalt salt of organic acid, more than 0.5 wt part of monohydroxybenzoic acid component and 100 wt parts of a rubber.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: February 28, 1978
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Kunihiro Kaneda, Masashi Kida, Akihiko Nakayama, Atsushi Kanazawa, Hiroyuki Kaido, Yasuhiro Mizumoto, Tsuneo Koyama