Patents Assigned to Toppan Printing Co., Ltd.
  • Patent number: 12228834
    Abstract: A light control device including a light control sheet including a light control layer switchable between at least a first state and a second state by changing alignment of liquid crystal molecules by application of a drive voltage, and transparent electrode layers sandwiching the light control layer. The light control layer is transparent in the first state and turbid in the second state. The light control layer is in the second state when there is no application of the drive voltage. When the light control layer is in the second state, the light control sheet has a transmitted image definition of 70% or less, where the transmitted image definition is based on JIS K 7374:2007 with an optical comb width set to 0.125 mm.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: February 18, 2025
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Takehiro Yamada, Yusuke Higashi
  • Patent number: 12214933
    Abstract: Provided is a tubular container capable of improving extractability of contents inside the container. The tubular container includes: a trunk portion having a tubular shape one end of which is closed, the trunk portion being formed by using a film member containing a resin material, and being capable of storing contents therein; and a spout portion attached to the other end of the trunk portion, and capable of closing the other end of the trunk portion. On a peripheral portion of the spout portion, the other end of the trunk portion is attached to a surface, of the spout portion, on a side opposite to the one end of the trunk portion.
    Type: Grant
    Filed: August 9, 2023
    Date of Patent: February 4, 2025
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Seiki Miyoshi, Minoru Kawasaki, Takeshi Saito
  • Patent number: 12173354
    Abstract: A method of detecting a nucleic acid including mixing a fluid including a target nucleic acid with a detection reagent including a first enzyme for cleaving a first nucleic acid having a first flap and a second enzyme for cleaving a second nucleic acid such that the target nucleic acid, the first nucleic acid and the second nucleic acid form a complex as a first invasive structure, conducting a first reaction which causes the first enzyme to cleave the first flap of the first invasive structure and produces a third nucleic acid that forms a complex, as a second invasive structure, with a fourth nucleic acid having a second flap, and conducting a second reaction which causes the second enzyme to cleave the second flap of the second invasive structure and produces a cleaved product.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: December 24, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Masayuki Ogino, Yoichi Makino
  • Patent number: 12177978
    Abstract: A circuit board includes a glass substrate having a first surface and a second surface facing away from the first surface; a first coil wiring pattern formed on the first surface and a second coil wiring pattern formed on the second surface, the first and second coil wiring patterns constituting part of a coil; a through hole extending through a predetermined portion of the glass substrate from an end of the first coil wiring pattern to an end of the second coil wiring pattern; a through hole inner conductive surface formed on the inner side of the through hole, the first and second coil wiring patterns and the through hole inner conductive surface constituting the coil wound around a direction perpendicular to an axis of the through hole and to a direction in which the first and second coil wiring patterns extend.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: December 24, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Jun Onohara
  • Patent number: 12176547
    Abstract: A catalyst layer for polymer electrolyte fuel cells that improves drainage or gas diffusion, reduces or prevents the occurrence of cracking in a catalyst layer, enhances catalyst utilization efficiency, exerts high output power and high energy conversion efficiency, and has high durability, and also provides a membrane-electrode assembly and a polymer electrolyte fuel cell using the catalyst layer. The catalyst layer for polymer electrolyte fuel cells contains a catalyst, carbon particles, a polymer electrolyte, and a fibrous material. In the catalyst layer, the carbon particles carry the catalyst1. The catalyst layer for polymer electrolyte fuel cells has voids. The percentage of frequencies of the voids having a cross-sectional area of 10,000 nm2 or more is 13% or more and 20% or less among the voids observed in a thickness-direction cross section of the catalyst layer for polymer electrolyte fuel cells perpendicular to the surface thereof.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: December 24, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Hiroaki Koyama, Madoka Ozawa
  • Patent number: 12158598
    Abstract: A display of the present invention includes a multilayer film and at least one reflective surface. The multilayer film includes a laminate of at least two dielectric layers having refractive indices different from each other, and the laminate has a first major surface and a second major surface. The laminate has at least one recess formed in the first major surface. At least one reflective surface which faces the second major surface of the laminate, and is configured to direct light in a visible range, which has entered the multilayer film and then emerged at an angle of emergence from the second major surface, to be incident on the second major surface at an angle of incidence which is different from the angle of emergence of the light.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: December 3, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Masashi Kubota
  • Patent number: 12135525
    Abstract: A display including a relief structure forming layer having a major surface with a relief type diffractive structure that displays a three-dimensional object as a diffraction image; and a reflective layer at least partially covering a region of the major surface where the diffractive structure is provided. A portion of the diffractive structure in a first region includes first and second linear parts forming a first lattice, and first parts arranged in respective gaps of the first lattice. The first and second linear parts each having a solid line shape form a first pattern. A portion of the diffractive structure in a second region includes third and fourth linear parts alternately arranged in the width direction thereof. The third linear parts each having a dashed line shape and the fourth linear parts each having a dashed or dotted line shape form a second pattern.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: November 5, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Mayo Mikami, Yuko Masunaga, Tomoko Kotegawa
  • Patent number: 12124062
    Abstract: A wavelength selection filter includes a first high refractive index section with a thickness T1, a second high refractive index section with a thickness T2, a high refractive index layer with a refractive index n1, a projection-depression structure layer with a refractive index n2, a filling layer with a refractive index n3, a first high refractive index section with an area ratio R1, and a second high refractive index section with an area ratio R2. With n1>n2, n1>n3, and R1+R2>1, the value of T1×{n1×R1+n2×(1?R1)} is a first parameter, the value of T2×{n1×R2+n3×(1?R2)} is a second parameter, and the ratio of the second parameter to the first parameter is 0.7 or more and 1.3 or less.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: October 22, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Masashi Kawashita, Yukari Oda, Yuki Yasu, Yoshiko Ishimaru
  • Patent number: 12118422
    Abstract: A personal identification medium is provided that includes a decorative layer provided with an antenna, and a laser marking layer in which a personal information marking portion is marked on the decorative layer, where the antenna includes a non-decorative portion and a decorative portion connected to the non-decorative portion, and the personal information marking portion formed on the laser marking layer overlaps at least a portion of the decorative portion formed on the decorative layer.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: October 15, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yoshiyuki Mizuguchi, Koji Matsui, Naomichi Mimita, Satoko Takahashi, Yuko Masunaga, Shin Kataoka, Yu Kokubo
  • Patent number: 12111483
    Abstract: A display including a plurality of pixels each including a plurality of first subpixels and a plurality of second subpixels. In pixel, when illumination light is applied to the first subpixels from a normal direction, no diffracted light emerges from the plurality of first subpixels, or first diffracted light emerges from the plurality of first subpixels in a first angular range. When illumination light is applied to the second subpixels from the normal direction, no diffracted light emerges from the plurality of second subpixels, or second diffracted light having a wavelength equal to that of the first diffracted light emerges from the plurality of second subpixels in a second angular range wider than the first angular range, at an intensity lower than that of the first diffracted light; with the pixels configured to display a continuously changing image using the first diffracted light and the second diffracted light.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: October 8, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yuko Masunaga, Akira Nagano, Yasumasa Kamata, Hideaki Honma
  • Patent number: 12110403
    Abstract: An inkjet ink in which a food color containing at least sodium copper chlorophyllin and a pigment other than sodium copper chlorophyllin is dispersed in a dispersion medium containing propylene glycol, and which prevents the occurrence of precipitation of the pigment components or other components even when the inkjet ink is stored for a long period of time, and there is also provided a tablet having a print pattern printed by the inkjet ink. The inkjet ink of the present embodiment, which is edible, comprises a food color containing at least sodium copper chlorophyllin and a pigment other than sodium copper chlorophyllin, and a dispersion medium containing propylene glycol, and has a propylene glycol content in the range of 0.001 mass % or more and 19 mass % or less relative to the total mass of the inkjet ink.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: October 8, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yuichi Hoshino, Masatoshi Saito
  • Patent number: 12104043
    Abstract: A protective film that includes at least one of a transparent polyolefin resin layer and a surface protection layer, and that has excellent weather resistance and a low level of white turbidity, which is a factor that impairs design properties; and a sheet using the protective film. The protective film comprises at least a transparent polyolefin resin layer, wherein the transparent polyolefin resin layer contains a first hydroxyphenyltriazine-based ultraviolet absorber (UVA-A) having a structure represented by the general formula below. In the general formula, R1-R3 each independently represent a hydrogen atom, a methyl group, a phenyl group, or an alkoxy group, and at least two of R1-R3 are an alkoxy group having 8-18 carbon atoms, R4 and R5 each independently represent a hydroxyl group, a methyl group, or a hydrogen atom, and R6-R8 each independently represent a methyl group or a hydrogen atom.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: October 1, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Toru Ookubo, Daisuke Murata
  • Patent number: 12107198
    Abstract: A barrier film comprising a gas barrier film, and a primer layer disposed on one of outermost surfaces thereof and made of a cured product of a primer composition comprising at least one organometallic compound selected from the group consisting of a metal chelating compound, a metal alkoxide compound and a metal acylate compound.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: October 1, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Koji Murata, Satoshi Iwata
  • Patent number: 12091563
    Abstract: An inkjet ink that shows only a small amount of discoloration over time and is capable of printing with a stable color, not only when printed on a surface of a print object having a relatively low ink permeability, but also when printed on a surface of a print object having a relatively high ink permeability, and provide a printed item including a printed area printed using the inkjet ink. A gray ink according to the present embodiment is an edible inkjet ink which contains at least a first colorant which is a food dye and a second colorant which is a food dye, and the first colorant is at least one of Red No. 3, Red No. 40, Red No. 104, Red No. 105, and Red No. 106.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: September 17, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yuichi Hoshino, Masato Fukushiro, Hideki Ishikawa, Masatoshi Saito
  • Patent number: 12086905
    Abstract: A method for generating color conversion information including providing a user with color sample information for determining a color sample of which color characteristic information is known, receiving, from the user, an image including the color sample determined by the color sample information in a lighting environment, and generating color conversion information which corresponds to the lighting environment and is correlated with the user, based on the image and the color characteristic information of the color sample determined by the color sample information. The color conversion information converts between color information and color characteristic information, the color information is information which corresponds to a lighting environment and indicates colors of an object in the lighting environment, and the color characteristic information indicates color characteristics of the object.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: September 10, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Koichi Takase, Takashi Inamura, Takaya Tanaka
  • Patent number: 12085712
    Abstract: A display with a plurality of display elements each composed of an uneven layer having an uneven structure and a multilayer film layer provided on the uneven structure. A pattern formed by convexities can be divided into shape elements each arranged in each of a plurality of virtual rectangles, when viewed from a direction facing the uneven layer, and each of the shape elements arranged in each of the virtual rectangles is inscribed in the rectangle in which the shape element is arranged. The plurality of virtual rectangles each have sides along a first direction and sides along a second direction orthogonal to the first direction, and a length of the side along the first direction is less than or equal to a sub wavelength.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: September 10, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Mai Yoshimura, Masashi Kawashita
  • Patent number: 12075775
    Abstract: Sustained-release composite particles having improved dispersion stability and improved sustained-release properties, and exhibiting longer-term effects, a method for producing the sustained-release composite particles, a dry powder comprising the sustained-release composite particles, and wallpaper comprising the sustained-release composite particles. The sustained-release composite particles comprise core particles containing at least one type of polymer and at least one type of functional component, and micronized cellulose coating at least a part of the surface of the core particles, the core particles and the micronized cellulose being inseparable from each other.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: September 3, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yumi Hayashi, Atsuko Aoki
  • Patent number: 12074261
    Abstract: A production method for a wavelength conversion sheet, including: a bonding step of bonding a multilayer film and a release film together to obtain a phosphor protective film, the multilayer film including a barrier film, the release film being releasable from the multilayer film; a phosphor layer formation step of forming a phosphor layer containing phosphors on a surface of the multilayer film of the phosphor protective film to obtain a wavelength conversion sheet with the release film; and a release step of releasing the release film from the wavelength conversion sheet with the release film.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: August 27, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Hiroki Ichiba, Satoshi Maruyama, Masato Kurokawa, Yasuhiko Saito
  • Patent number: 12068210
    Abstract: A package substrate that prevents breakage of a core substrate is provided. A package substrate includes a core substrate made of a brittle material, at least one insulating layer formed on one surface or both surfaces of the core substrate, and one or more wiring layers formed on the insulating layer and/or in the insulating layer, the core substrate being exposed from an outer peripheral portion of the insulating layer, and the insulating layer being chamfered.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: August 20, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yuki Umemura, Akane Kobayashi
  • Patent number: 12065557
    Abstract: A liquid-repellent layer forming resin composition comprises a polyolefin resin (A), a silylated polyolefin (B), and a compatibilizer (C) having a site compatible with the polyolefin resin (A) and a site compatible with the silylated polyolefin (B), wherein a polyolefin site of the silylated polyolefin (B) is incompatible with the polyolefin resin (A).
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: August 20, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Aki Nagai, Ryo Tanaka, Kentaro Kimura, Kosuke Kinoshita