Patents by Inventor Tatsuya Oba

Tatsuya Oba 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: 20180056714
    Abstract: A garnish attached to a metallic wheel includes a nonmetallic base member and a metallic design part, in which the design part configures part of a surface of the garnish, the base member has a wheel adjacent portion configuring different part of the surface of the garnish, and the wheel adjacent portion is positioned closer to the wheel than the design part is when the garnish is attached to the wheel.
    Type: Application
    Filed: June 8, 2017
    Publication date: March 1, 2018
    Inventors: Yuhki MAJI, Tomokazu NISHIKAWA, Tatsuya OBA
  • Publication number: 20170352938
    Abstract: A decorative component for a vehicle includes a decorative body portion having millimeter wave transmittance and a heating sheet. The decorative body portion is configured to decorate the vehicle by being attached to part of a vehicle on a leading side in a transmitting direction of millimeter waves from a millimeter wave radar device. The heating sheet includes a plastic sheet and a wire-shaped heater provided on the plastic sheet. At least a main portion of the heating sheet is provided integrally with the decorative body portion. The thickness in the front-rear direction is set uniform in at least a transmittance area of millimeter waves in the decorative body portion and the heating sheet.
    Type: Application
    Filed: May 16, 2017
    Publication date: December 7, 2017
    Inventors: Koji OKUMURA, Hideto MAEDA, Tetsuo YASUDA, Seiya TOKUNAGA, Tatsuya OBA
  • Publication number: 20170328541
    Abstract: A wavelength conversion member, is provided with a wavelength conversion layer that includes quantum dots and is interposed between two barrier layers. The wavelength conversion member includes a light scattering layer that is provided between the barrier layers and the wavelength conversion layer, in which one of the barrier layers closest to the light scattering layer is formed of an inorganic component, the light scattering layer includes a binder, which is formed of either a compound having a hydrogen bonding functional group and a polymerizable group in a molecule or an organic metal coupling agent, and scattering particles having a diameter R of 0.2 to 5 ?m, a thickness d of the light scattering layer is 0.2 to 4 ?m, a thickness D of the wavelength conversion layer is 10 to 100 ?m, and a ratio of d to D is 0.2% to 10%.
    Type: Application
    Filed: August 3, 2017
    Publication date: November 16, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Hiroyuki YONEYAMA, Naoyoshi YAMADA, Tatsuya OBA
  • Publication number: 20170321114
    Abstract: Provided is a wavelength conversion film-forming composition which forms a wavelength conversion film by being applied to a substrate to form a coating film and curing the coating film, the wavelength conversion film-forming composition including at least quantum dots, a volatile component, and a binder that is soluble in the volatile component and/or a binder precursor that is soluble in or compatible with the volatile component, in which the wavelength conversion film-forming composition is gellable in the presence of the volatile component.
    Type: Application
    Filed: July 26, 2017
    Publication date: November 9, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Makoto KAMO, Tatsuya OBA
  • Publication number: 20170321116
    Abstract: Provided is a wavelength conversion member including: a wavelength conversion layer including at least one kind of quantum dots that are excited by excitation light to emit fluorescence and are dispersed in an organic matrix; and a barrier layer that is provided adjacent to at least one main surface of the wavelength conversion layer and includes silicon nitride and/or silicon oxynitride as a major component, in which the organic matrix is obtained by curing a curable composition including at least an alicyclic epoxy compound and includes a chemical structure A which is bonded to silicon nitride and/or silicon oxynitride as a major component of the barrier layer.
    Type: Application
    Filed: July 26, 2017
    Publication date: November 9, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Ryo SATAKE, Makoto KAMO, Naoyoshi YAMADA, Tatsuya OBA
  • Publication number: 20170321115
    Abstract: Provided is a wavelength conversion member including: a wavelength conversion layer including at least one kind of quantum dots that are excited by excitation light to emit fluorescence and are dispersed in an organic matrix; an intermediate layer that is provided adjacent to at least one main surface of the wavelength conversion layer; and a barrier layer that is provided adjacent to a main surface of the intermediate layer opposite to the wavelength conversion layer and includes silicon nitride and/or silicon oxynitride as a major component, in which the organic matrix is obtained by curing a curable composition including at least an alicyclic epoxy compound, and the intermediate layer includes a chemical structure A which is bonded to silicon nitride and/or silicon oxynitride as a major component of the barrier layer and a chemical structure B which is bonded to the organic matrix.
    Type: Application
    Filed: July 26, 2017
    Publication date: November 9, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Ryo SATAKE, Makoto KAMO, Naoyoshi YAMADA, Tatsuya OBA
  • Publication number: 20170248809
    Abstract: The wavelength conversion member includes: a first substrate; a second substrate; and a wavelength conversion layer disposed between the first substrate and the second substrate and including quantum dots which are excited by excitation light to emit fluorescence. The wavelength conversion layer is a cured layer obtained by curing a polymerizable composition which includes the quantum dots and a polymerizable compound having a molecular weight of 200 or lower, and the number of bubble-shaped defects having a diameter of 0.1 mm or more in the wavelength conversion layer is less than 10 per 100 cm2.
    Type: Application
    Filed: May 12, 2017
    Publication date: August 31, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Tatsuya OBA, Tomonari OGAWA, Keisuke OKU
  • Patent number: 9738236
    Abstract: A rear emblem forms an outer surface and includes a base member made of transparent plastic and a pattern print layer arranged on a part of the back side of the base member. The pattern print layer includes a light transmitting portion and a light transmission reducing portion. The light transmission reducing portion is arranged around the light transmitting portion and transmits less light than the light transmitting portion.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: August 22, 2017
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Tatsuya Sugiura, Tatsuya Oba, Akihiro Misawa
  • Publication number: 20170198149
    Abstract: The wavelength conversion member includes a wavelength conversion layer containing a quantum dot, in which the wavelength conversion layer is a cured layer formed by curing a polymerizable composition containing the quantum dot and a polymerizable compound, the polymerizable composition contains at least one type of first polymerizable compound, the first polymerizable compound is a monofunctional (meth)acrylate compound in which a value of Mw/F obtained by dividing a molecular weight Mw by the number F of polymerizable functional groups in one molecule is greater than or equal to 130, the number of (meth)acryloyl groups in one molecule is 1, and a Log P value is less than or equal to 3.0, and the polymerizable composition contains greater than or equal to 50 parts by mass of the first polymerizable compound with respect to 100 parts by mass of the total amount of the polymerizable compound contained in the polymerizable composition.
    Type: Application
    Filed: March 28, 2017
    Publication date: July 13, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Naoyoshi YAMADA, Tatsuya OBA, Hirofumi TOYAMA, Natsuru CHIKUSHI
  • Publication number: 20170137954
    Abstract: A plated resin product includes a resin base including main plated portions and an auxiliary plated portion and metal films respectively arranged on the main plated portions and the auxiliary plated portion. The main plated portions are arranged next to one another. One of the two main plated portions located at two ends in a direction in which the main plated portions are arranged includes an edge at a portion located at a side of the main plated portion that is far from an adjacent one of the main plated portions. The auxiliary plated portion is located farther from the adjacent main plated portion than the main plated portion including the edge and spaced apart from that main plated portion. The metal film on the auxiliary plated portion is located at a section of the auxiliary plated portion that is non-visible when the product is viewed from the front.
    Type: Application
    Filed: October 26, 2016
    Publication date: May 18, 2017
    Inventors: Moriyuki HASHIMOTO, Yosuke MARUOKA, Tatsuya OBA, Kimihiro IIMURA
  • Publication number: 20170136739
    Abstract: A decorative member includes: a transparent resin layer provided on a rear surface thereof with a general portion, a stepped portion recessed or protrudingly provided with respect to the general portion, and an inclination portion provided between the stepped portion and the general portion; and a decorative layer provided on the rear surface, wherein: an inclination angle of the inclination portion with respect to a normal line of the general portion is equal to or more than 25° and is equal to or less than 40°; a width of the inclination portion is large beyond 0.38 mm and is equal to or less than 1 mm; and the decorative layer includes: a first layer that covers the stepped portion of the rear surface; and a second layer that covers a part of the rear surface, which is not covered by at least the first layer.
    Type: Application
    Filed: November 15, 2016
    Publication date: May 18, 2017
    Inventors: Koji OKUMURA, Hideto MAEDA, Tatsuya OBA, Daiichiro KAWASHIMA, Mitsuo YOSHIDA
  • Patent number: 9651826
    Abstract: An aspect of the present invention relates to a wavelength conversion member, which comprises a wavelength conversion layer, wherein the wavelength conversion layer comprises at least one quantum dot which has a property of being excited with exciting light to emit fluorescence, and at least one oxygen permeability coefficient-reducing agent, an oxygen permeability coefficient per 1 mm thickness of the wavelength conversion layer is less than 150.0 cm3/m2/day/atm, and the oxygen permeability coefficient-reducing agent is a compound which exhibits an oxygen permeability coefficient-reducing capability of reducing the oxygen permeability coefficient per 1 mm thickness of the wavelength conversion layer by equal to or more than 30% per 10 parts by weight of the oxygen permeability coefficient-reducing agent relative to 100 parts by weight of the wavelength conversion layer except for the oxygen permeability coefficient-reducing agent.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: May 16, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Oba, Makoto Kamo
  • Publication number: 20170113628
    Abstract: To provide a vehicle exterior decorating member capable of providing a sufficient gradation effect to an observer, and having enhanced design characteristics, and to provide a method for manufacturing the same. A vehicle exterior decorating member includes a base member made of a colored translucent body having a front surface and a back surface including a surface having unevenness, and a light non-transmissive layer formed on a back surface side of the base member. The base member includes a general portion where a thickness is constant at greater than or equal to 2.5 mm and smaller than or equal to 4.0 mm, and a gradually changing portion where a thickness gradually changes. The gradually changing portion includes a maximum deviation portion where a difference in thickness between the general portion and the gradually changing portion becomes a maximum, and has (A) and/or (B).
    Type: Application
    Filed: October 13, 2016
    Publication date: April 27, 2017
    Inventors: Tatsuya SUGIURA, Tatsuya OBA
  • Patent number: 9632229
    Abstract: A liquid crystal display device having high transmittance and a high color reproduction region, which includes a backlight unit including a light conversion member; and a liquid crystal cell and in which the light conversion member includes a light conversion layer containing a fluorescent material and an optical film arranged on both surfaces of the light conversion layer, the optical film includes an optical thin film forming an air interface, and a layer directly adjacent to the optical thin film, the liquid crystal display device satisfies n(535)<nu(535), n(535)×d is in a specific range, transmittance of a laminated body of the optical thin film and the layer directly adjacent to the optical thin film is in a specific range, and the backlight unit emits blue light, green light, and red light.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: April 25, 2017
    Assignee: FUJIFILM CORPORATION
    Inventors: Naoyoshi Yamada, Tatsuya Oba, Yukito Saitoh, Katsufumi Ohmuro, Akiko Watano
  • Patent number: 9586547
    Abstract: A front grille includes a grille body having vertical fins and lateral fins each having a decorative surface formed on the front surface. The grille body has an attachment portion to which a decorative molding having a decorative surface formed on the front surface is attached. The front grille is used in one of a form in which the molding is attached to the grille body via the attachment portion and a form without such a molding. The attachment portion of the front grille is arranged behind the front surface of each lateral fin and configured by an engagement portion. A claw portion, which projects from a rear portion of the molding, is inserted into and engaged with the engagement portion.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: March 7, 2017
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Yuhki Maji, Tatsuya Oba, Kimihiro Iimura
  • Patent number: 9459490
    Abstract: A polarizing plate includes: a polymer film; a polarizer; and a stress relaxation layer disposed between the polymer film and the polarizer, wherein a relationship of the following Expression (1) is satisfied, a thickness of the polymer film is equal to or greater than 10 ?m, a distance(Ds) from the surface of the polarizing plate on the side of the polymer film to the interface between the polymer film and the stress relaxation layer is equal to or greater than 15 ?m, a difference between the distance(Ds) and a thickness(C) of the polymer film is less than 15 ?m, and a total thickness of the polymer film and the stress relaxation layer is equal to or less than 80 ?m, 0.01<B/A<0.9 . . . (1), in Expression (1), A represents the elastic modulus of the polymer film, and B represents the elastic modulus of the stress relaxation layer.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: October 4, 2016
    Assignee: FUJIFILM CORPORATION
    Inventors: Tatsuya Oba, Yoshitaka Maeda, Xiao Ling, Shun Inoue, Takahiro Ohno, Yohei Takahashi, Megumi Sekiguchi
  • Patent number: 9453952
    Abstract: A polarizing plate includes an outer protective film and a polarizer. The sum S of the product of the modulus of elasticity and the cube of the thickness in each layer is up to 150,000 Pa·mm3, and the value obtained by dividing the sum S by the Knoop hardness k of the outer protective film is 200 or more but up to 450. The polarizing plate is excellent in surface pencil hardness even when its thickness is reduced.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: September 27, 2016
    Assignee: FUJIFILM CORPORATION
    Inventors: Takahiro Ohno, Tatsuya Oba, Yoshitaka Maeda, Xiao Ling, Shun Inoue, Megumi Sekiguchi, Yohei Takahashi
  • Publication number: 20160161657
    Abstract: A liquid crystal display device having high transmittance and a high color reproduction region, which includes a backlight unit including a light conversion member; and a liquid crystal cell and in which the light conversion member includes a light conversion layer containing a fluorescent material and an optical film arranged on both surfaces of the light conversion layer, the optical film includes an optical thin film forming an air interface, and a layer directly adjacent to the optical thin film, the liquid crystal display device satisfies n(535)<nu(535), n(535)×d is in a specific range, transmittance of a laminated body of the optical thin film and the layer directly adjacent to the optical thin film is in a specific range, and the backlight unit emits blue light, green light, and red light.
    Type: Application
    Filed: February 11, 2016
    Publication date: June 9, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Naoyoshi YAMADA, Tatsuya OBA, Yukito SAITOH, Katsufumi OHMURO, Akiko WATANO
  • Publication number: 20160107585
    Abstract: A rear emblem forms an outer surface and includes a base member made of transparent plastic and a pattern print layer arranged on a part of the back side of the base member. The pattern print layer includes a light transmitting portion and a light transmission reducing portion. The light transmission reducing portion is arranged around the light transmitting portion and transmits less light than the light transmitting portion.
    Type: Application
    Filed: September 8, 2015
    Publication date: April 21, 2016
    Inventors: Tatsuya SUGIURA, Tatsuya OBA, Akihiro MISAWA
  • Publication number: 20150378089
    Abstract: A backlight unit including a light-emitting element and a member that selectively reduces an amount of emitted light, and wherein the light-emitting element includes a light source and a wavelength conversion member, and the wavelength conversion member includes at least one fluorescent material, the light-emitting element has a property of emitting blue light, green light, and red light, and the blue light has an emission intensity peak with an emission center wavelength falling within a wavelength range of 430 nm to 480 nm, the green light has an emission intensity peak with an emission center wavelength falling within a wavelength range of 520 nm to 560 nm and a half width exceeding 50 nm, and the red light has an emission intensity peak with an emission center wavelength falling within a wavelength range of 600 nm to 680 nm and a half width exceeding 50 nm.
    Type: Application
    Filed: June 26, 2015
    Publication date: December 31, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Tatsuya OBA, Makoto KAMO