Patents by Inventor Naoyuki Shibayama

Naoyuki Shibayama 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: 11021598
    Abstract: A resin molded product, a laminate, and a decorative sheet having high weatherability. A decorative sheet includes a resin molded product as a protective layer, and the resin molded product includes an ultraviolet absorber having pKa of ?5.5 or more and ?4.5 or less when irradiated with light, and a photostabilizer having pKa of 3.0 or more and 7.0 or less. The added amount of each of the ultraviolet absorber and the photostabilizer is 3.0 parts by mass or less per 100 parts by mass of the resin.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: June 1, 2021
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Naoyuki Shibayama, Toru Ookubo, Erika Yamaguchi, Yuichi Matsumoto, Mami Nagashima
  • Patent number: 10899117
    Abstract: A decorative sheet including a substrate layer, and one or more layers of at least one of a transparent resin layer and a top coat layer provided on one surface of the substrate layer, the one or more layers being provided as a front surface layer, wherein at least one layer of the transparent resin layer and the top coat layer contains a radical scavenger, and the radical scavenger is contained in a form of radical scavenger vesicles, which encapsulate the radical scavenger within an outer membrane.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: January 26, 2021
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Naoyuki Shibayama, Masamitsu Nagahama, Akira Sato, Masatoshi Takahashi
  • Patent number: 10620345
    Abstract: Provided is an antireflection film obtained by laminating, in succession, a transparent substrate, a first layer, and a second layer having a lower refractive index than the refractive index of the first layer. The first layer is obtained by curing a film containing an ionizing radiation-curable material, a quaternary ammonium salt material, a leveling agent, and a solvent, and has a structure wherein a middle layer, hard coating layer and recoating layer are laminated in succession from the transparent substrate side. The recoating layer does not contain a quaternary ammonium salt. The hard coating layer contains a quaternary ammonium salt, and the concentration of the quaternary ammonium salt in the hard coating layer gradually increases from the middle layer side to the recoating layer side.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: April 14, 2020
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Naoyuki Shibayama, Toshiaki Yoshihara
  • Publication number: 20200048445
    Abstract: A resin molded product, a laminate, and a decorative sheet having high weatherability. A decorative sheet includes a resin molded product as a protective layer, and the resin molded product includes an ultraviolet absorber having pKa of ?5.5 or more and ?4.5 or less when irradiated with light, and a photostabilizer having pKa of 3.0 or more and 7.0 or less. The added amount of each of the ultraviolet absorber and the photostabilizer is 3.0 parts by mass or less per 100 parts by mass of the resin.
    Type: Application
    Filed: October 16, 2019
    Publication date: February 13, 2020
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Naoyuki SHIBAYAMA, Toru OOKUBO, Erika YAMAGUCHI, Yuichi MATSUMOTO, Mami NAGASHIMA
  • Publication number: 20190255827
    Abstract: A decorative sheet including a substrate layer, and one or more layers of at least one of a transparent resin layer and a top coat layer provided on one surface of the substrate layer, the one or more layers being provided as a front surface layer, wherein at least one layer of the transparent resin layer and the top coat layer contains a radical scavenger, and the radical scavenger is contained in a form of radical scavenger vesicles, which encapsulate the radical scavenger within an outer membrane.
    Type: Application
    Filed: April 30, 2019
    Publication date: August 22, 2019
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Naoyuki SHIBAYAMA, Masamitsu NAGAHAMA, Akira SATO, Masatoshi TAKAHASHI
  • Patent number: 9310526
    Abstract: An anti-reflection film is provided having excellent optical property, excellent excoriation resistance, and antistatic function at low production costs. The anti-reflection film includes a localized layer and a low refractive index layer that are stacked in this order on at least one surface of a transparent substrate. The localized layer is stacked with an intermediate layer, a hard coat layer, an antistatic layer containing a conductive material, and a leveling layer containing a leveling material in this order, which are localized, at least from the side of the transparent substrate. The leveling material contains at least a fluorocompound or a compound which has a siloxane bond.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: April 12, 2016
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Naoyuki Shibayama, Toshiaki Yoshihara
  • Patent number: 9285512
    Abstract: An anti-reflection film with low production costs, excellent anti-reflection performance or excellent optical properties free from interference variation, high abrasion resistance, and antistatic function to prevent dust adhesion is demanded. In the present invention, the problem to be solved is to provide an anti-reflection film having low production costs, excellent optical property and excellent abrasion resistance and antistatic function. The present invention provides an anti-reflection film in which a localized layer and a low refractive index layer are laminated in this order on at least one surface of a transparent base, and the localized layer is constituted to have an intermediate layer, a hard coat layer, an antistatic layer containing a conductive material and a leveling layer containing a leveling material that are laminated as localized in order from at least the side of the transparent base.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: March 15, 2016
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Naoyuki Shibayama, Toshiaki Yoshihara
  • Publication number: 20150302996
    Abstract: A photoelectrode for dye-sensitized solar cells of the present invention includes a light-transmitting substrate including a transparent electroconductive layer formed on a light-transmitting base; an adhesion layer formed on the transparent electroconductive layer, the adhesion layer being configured of an electroconductive portion formed of electroconductive particles and a coating layer formed by applying metal alkoxide thereon to cover the electroconductive particles; and a photoelectric conversion layer formed on the adhesion layer by using a photoelectric conversion material in which a sensitizing dye is supported on a functional semiconductor.
    Type: Application
    Filed: April 22, 2015
    Publication date: October 22, 2015
    Applicants: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION, TOPPAN PRINTING CO., LTD.
    Inventors: Naoya WATANABE, Tomohiro KUDO, Hironobu OZAWA, Hironori ARAKAWA, Naoyuki SHIBAYAMA
  • Publication number: 20150187512
    Abstract: A counter electrode for a dye sensitized solar cell (20 ) includes a conductive layer (21 ); and a contact preventing layer (23 ) which is formed of an insulating substance, and is formed on one surface of the conductive layer (21 ).
    Type: Application
    Filed: March 16, 2015
    Publication date: July 2, 2015
    Applicants: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION, TOPPAN PRINTING CO., LTD.
    Inventors: Naoya WATANABE, Tomohiro KUDO, Syougo MUROYA, Kouya NOZAWA, Hironobu OZAWA, Hironori ARAKAWA, Naoyuki SHIBAYAMA
  • Publication number: 20140251427
    Abstract: A photoelectrode for a dye-sensitized solar cell includes, a sensitizer supported in a functional semiconductor layer of a photoelectrode structure provided with the functional semiconductor layer on a transparent conductive layer of a translucent substrate made by forming the transparent conductive layer on a plastic translucent support, in which the functional semiconductor layer includes a roll-pressed layer which is being in contact with the transparent conductive layer and roll-pressing traces extending in parallel with a roll-pressing treatment direction on a surface of the roll-pressed layer, and a surface roughness Ra in a first direction which is in parallel with the roll-pressing treatment direction is smaller than a surface roughness Ra in a second direction which is orthogonal to the first direction on a surface of the functional semiconductor layer.
    Type: Application
    Filed: May 19, 2014
    Publication date: September 11, 2014
    Applicants: TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION ADMINISTRATIVE ORGANIZATION, TOPPAN PRINTING CO., LTD.
    Inventors: Naoya WATANABE, Tomohiro KUDOU, Hironobu OZAWA, Hironori ARAKAWA, Naoyuki SHIBAYAMA
  • Publication number: 20140137945
    Abstract: A dye-sensitized solar cell includes, a semiconductor layer holding a photosensitizing dye, an electrolyte layer and a pair of electrodes, wherein the photosensitizing dye includes a dye A having a carboxyl group or a phosphono group as a fixing group with the semiconductor layer, and a dye B having a nitrogen-containing aromatic heterocyclic compound as a fixing group with the semiconductor layer.
    Type: Application
    Filed: January 27, 2014
    Publication date: May 22, 2014
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Naoyuki Shibayama, Masahiro Abe
  • Publication number: 20140023840
    Abstract: Provided is an antireflection film obtained by laminating, in succession, a transparent substrate, a first layer, and a second layer having a lower refractive index than the refractive index of the first layer. The first layer is obtained by curing a film containing an ionizing radiation-curable material, a quaternary ammonium salt material, a leveling agent, and a solvent, and has a structure wherein a middle layer, hard coating layer and recoating layer are laminated in succession from the transparent substrate side. The recoating layer does not contain a quaternary ammonium salt. The hard coating layer contains a quaternary ammonium salt, and the concentration of the quaternary ammonium salt in the hard coating layer gradually increases from the middle layer side to the recoating layer side.
    Type: Application
    Filed: September 26, 2013
    Publication date: January 23, 2014
    Applicant: Toppan Printing Co., Ltd.
    Inventors: Naoyuki SHIBAYAMA, Toshiaki YOSHIHARA
  • Patent number: 8570474
    Abstract: The present invention provides an anti-reflection film which provides not only sufficient anti-reflection properties and antistatic properties but also excellent contrast in a bright place and excellent contrast in a dark place especially applied on a surface of a transmissive LCD. The anti-reflection film has an antistatic hard coat layer and a low refractive index layer in order on at least one surface of a transparent substrate, average luminous reflectance in the range of 0.5-1.5% on a surface of the low refractive index layer side, haze equal to or less than 0.5%, parallel light transmittance in the range of 94.0-96.5%, and an absorption loss in average luminous transmittance in the range of 0.5-3.0%.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: October 29, 2013
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Toshiaki Yoshihara, Eiichi Higashikawa, Naoyuki Shibayama
  • Publication number: 20120281287
    Abstract: The present invention provides an anti-reflection film having excellent optical property, excellent excoriation resistance, and antistatic function at low production costs. The present invention includes an anti-reflection film in which a localized layer and a low refractive index layer are stacked in this order on at least one surface of a transparent substrate, the localized layer is stacked with an intermediate layer, a hard coat layer, an antistatic layer containing a conductive material, and a leveling layer containing a leveling material in this order, which are localized, at least from the side of the transparent substrate, and the leveling material contains at least a fluorocompound or a compound which has a siloxane bond.
    Type: Application
    Filed: July 19, 2012
    Publication date: November 8, 2012
    Applicant: Toppan Printing Co., Ltd.
    Inventors: Naoyuki Shibayama, Toshiaki Yoshihara
  • Publication number: 20120218637
    Abstract: An anti-reflection film with low production costs, excellent anti-reflection performance or excellent optical properties free from interference variation, high abrasion resistance, and antistatic function to prevent dust adhesion is demanded. In the present invention, the problem to be solved is to provide an anti-reflection film having low production costs, excellent optical property and excellent abrasion resistance and antistatic function. The present invention provides an anti-reflection film in which a localized layer and a low refractive index layer are laminated in this order on at least one surface of a transparent base, and the localized layer is constituted to have an intermediate layer, a hard coat layer, an antistatic layer containing a conductive material and a leveling layer containing a leveling material that are laminated as localized in order from at least the side of the transparent base.
    Type: Application
    Filed: May 11, 2012
    Publication date: August 30, 2012
    Inventors: Naoyuki Shibayama, Toshiaki Yoshihara
  • Publication number: 20110164209
    Abstract: The present invention provides an anti-reflection film which provides not only sufficient anti-reflection properties and antistatic properties but also excellent contrast in a bright place and excellent contrast in a dark place especially applied on a surface of a transmissive LCD. The anti-reflection film has an antistatic hard coat layer and a low refractive index layer in order on at least one surface of a transparent substrate, average luminous reflectance in the range of 0.5-1.5% on a surface of the low refractive index layer side, haze equal to or less than 0.5%, parallel light transmittance in the range of 94.0-96.5%, and an absorption loss in average luminous transmittance in the range of 0.5-3.0%.
    Type: Application
    Filed: March 18, 2011
    Publication date: July 7, 2011
    Applicant: Toppan Printing Co., Ltd.
    Inventors: Toshiaki Yoshihara, Eiichi Higashikawa, Naoyuki Shibayama
  • Publication number: 20090316271
    Abstract: The present invention provides an antireflection film which has sufficient antireflection properties and antistatic properties, a high level of light transmittance and no interference fringe at a low cost. It is a feature of the antireflection film of the present invention that a hard coat layer and an antireflection layer is formed on a transparent substrate, a conductive polymer is included in the hard coat layer, a light reflectance on the low refractive index layer is in the range of 0.5-1.5%, a surface resistance of the low refractive index layer is less than 1×1010 [?/cm2]. In addition, it is also a feature of the antireflection film of the present invention that conductive metal oxide particles are included in the hard coat layer and a surface resistance of the low refractive index layer after the antireflection film is kept in a light resistance testing instrument employing an ultraviolet carbon arc lamp according to JIS B 7751 for 500 hours is less than (or equal to) 1×1010 [?/cm2].
    Type: Application
    Filed: June 16, 2009
    Publication date: December 24, 2009
    Applicant: Toppan Printing Co., Ltd.
    Inventor: Naoyuki Shibayama