Patents Assigned to TOPPAN INC.
  • Patent number: 12295245
    Abstract: A vapor deposition mask made of metal includes: a front surface configured to oppose a vapor deposition source; and mask holes each including a hole portion having a shape of an inverted frustum. The hole portion of each of the mask holes includes: a small opening including a polygonal edge as seen from a view opposing the front surface of the vapor deposition mask, the edge including corners and linear portions each located between adjacent ones of the corners; and a large opening located on the front surface, the large opening including an edge as seen from the view opposing the front surface of the vapor deposition mask, the edge being shaped such that the corners of the edge of the small opening project outward from the edge of the small opening. The large opening surrounds the small opening as seen from the view opposing the front surface.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: May 6, 2025
    Assignee: TOPPAN INC.
    Inventor: Takayuki Morita
  • Patent number: 12288120
    Abstract: A display body includes a base material having a first region, a second region, and a third region. In the display body, the first region is formed with a code or an image of identification information, and the second region is formed with a hidden code containing information obtained by encoding at least a part of the identification information. An encrypted ciphertext is recorded in the third region, and the ciphertext is generated from at least one of the code of the identification information and the hidden code.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: April 29, 2025
    Assignee: TOPPAN INC.
    Inventors: Soko Koda, Akihito Kagotani
  • Patent number: 12280570
    Abstract: A laminate for forming a packaging bag including a substrate layer containing a crystalline polyester film, an adhesive layer, and a sealant layer containing the polyester film arranged in this order. The sealant layer has a ratio of a fracture elongation thereof to a thickness thereof which is 13%/um or less. The fracture elongation is a fracture elongation of the sealant layer as measured in a unit of 15 mm width thereof in an MD direction.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: April 22, 2025
    Assignee: TOPPAN INC.
    Inventors: Haruna Kadoya, Shigeki Kudo
  • Patent number: 12269241
    Abstract: A gas barrier film including: a substrate layer containing polypropylene; a resin layer containing a copolymer of propylene and another monomer; a vapor deposition layer of an inorganic oxide; and a gas barrier layer, laminated in this order, wherein the vapor deposition layer has a thickness of 5 nm to 300 nm, the resin layer has a thickness of 0.3 ?m or more, and a surface of the resin layer facing the vapor deposition layer has at least one softening temperature in a range of 100° C. to 170° C. when measured by local thermal analysis (LTA).
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: April 8, 2025
    Assignee: TOPPAN INC.
    Inventors: Miki Fukugami, Kaoru Furuta
  • Patent number: 12269240
    Abstract: A gas barrier film includes a substrate containing polypropylene as a main component, a gas barrier layer on a first surface of the substrate, and a coating layer on the gas barrier layer. Infrared spectroscopy of the first surface indicates a peak intensity (I1) at 1360 to 1390 cm?1 and a peak intensity (I2) at 1440 to 1480 cm?1 in a ratio satisfying the formula: (I1)/I(2)?1.65.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: April 8, 2025
    Assignee: TOPPAN INC.
    Inventors: Yuki Hayashi, Junpei Hayashi, Kenta Osawa, Takayuki Tani
  • Patent number: 12266734
    Abstract: An object is to provide an infrared sensor with a quantum dot optimized. The present invention provides an infrared sensor (1) including a light absorption layer (5) that absorbs an infrared ray, wherein the light absorption layer includes a plurality of spherical quantum dots (21). Alternatively, the present invention provides an infrared sensor including a light absorption layer that absorbs an infrared ray, wherein the light absorption layer includes a plurality of quantum dots and the quantum dot includes at least one kind of PbS, PbSe, CdHgTe, Ag2S, Ag2Se, Ag2Te, AgInSe2, AgInTe2, CuInSe2, CuInTe2, and InAs.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: April 1, 2025
    Assignee: TOPPAN INC.
    Inventors: Akiharu Miyanaga, Tetsuji Ito
  • Patent number: 12263660
    Abstract: A decorative sheet includes at least a topcoat layer disposed to face a substrate layer in a first direction, the front surface of the topcoat layer having a wavy roughness profile measured with a cutoff wavelength ?s of 8 ?m and a cutoff wavelength ?c of 2.5 mm according to JIS B0601:2001 in a second direction perpendicular to the first direction, a selected evaluation portion of the wavy roughness profile comprising a plurality of profile elements, an evaluation length of the selected evaluation portion of the wavy roughness profile having 10 mm, the selected evaluation portion of the wavy roughness profile being designed to have an arithmetic mean deviation Ra of 10 ?m or less; and to have a mean width of the profile elements and a ten point height, the mean width and the ten point height satisfying the following expression: 5?RSm/RzJIS?40 . . . (1), where RSm represents the mean width, and RzJIS represents the ten point height.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: April 1, 2025
    Assignee: TOPPAN INC.
    Inventors: Mami Nagashima, Masamitsu Nagahama, Masatoshi Takahashi
  • Patent number: 12260278
    Abstract: A card-type medium includes a card body; an exposed component that is accommodated inside an opening formed in a front surface of the card body and is disposed so as to be partially exposed on the front surface; and a circuit board that is embedded in the card body and to which the exposed component is attached. The exposed component includes a first exposed component that is attached to the circuit board with an intermediate spacer interposed therebetween. The first exposed component and the intermediate spacer are joined together by a first conductive joining material. The circuit board and the intermediate spacer are joined together by a second conductive joining material. A joint-forming temperature of the first conductive joining material and a joint-forming temperature of the second conductive joining material are different from each other.
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: March 25, 2025
    Assignee: TOPPAN INC.
    Inventors: Eriko Uehara, Yukiko Katano, Shigeki Minemura
  • Patent number: 12255216
    Abstract: A photoelectric conversion device including a substrate including a charge generation region, a dielectric layer formed on the substrate, and a phase adjustment layer formed on the dielectric layer and having an upper surface and a lower surface. In a cross-sectional view of the photoelectric conversion device, a first plane extends parallel to the substrate in contact with the upper surface of the phase adjustment layer, a second plane is the lower surface of the phase adjustment layer, and the phase adjustment layer is formed such that the reflected light which has entered the first plane perpendicularly to the photoelectric conversion device and travels from the first plane to the second plane has an optical path length that varies depending on a position where the reflected light is incident on the first plane.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: March 18, 2025
    Assignee: TOPPAN Inc.
    Inventors: Tomohiro Nakagome, Yu Ookubo
  • Publication number: 20250083421
    Abstract: A method for manufacturing a resin molded product is provided. The resin molded product is obtained by molding a resin composition in which quantum dots are dispersed. The method includes stirring resin and metal soap to form a resin mixture, obtaining a quantum dot liquid by dispersing the quantum dots in a solvent, obtaining the resin composition in a solid state by kneading the quantum dot liquid in the resin mixture, and forming a sheet-like shaped resin molded product by extrusion molding the resin composition in the solid state.
    Type: Application
    Filed: November 26, 2024
    Publication date: March 13, 2025
    Applicant: TOPPAN INC.
    Inventors: Kazuyuki YAMASHITA, Eiichi KANAUMI, Akiharu MIYANAGA
  • Patent number: 12246904
    Abstract: A pouch according to an embodiment is a pouch having an accommodation space that accommodates contents, and including a pair of sheets, and a pair of side seal portions sealed to form the accommodation space, wherein at least one of the pair of side seal portions includes a first seal portion located near the top portion, a second seal portion located near the bottom portion and separated from the first seal portion, and a steam discharge seal portion configured to connect the first and second seal portions, to protrude to the accommodation space side, and to release steam, a portion formed by a first region between the first and second seal portions and a second region surrounded by the first region and the steam discharge seal portion is an unsealed region, and a penetration portion that passes through at least one sheet in a thickness direction is formed in the unsealed region of the at least one sheet.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: March 11, 2025
    Assignee: TOPPAN INC.
    Inventors: Saho Morita, Takahiro Shimono
  • Patent number: 12226980
    Abstract: A laminate for forming a packaging bag, in sequence: a substrate layer; an adhesive layer; and a sealant layer, wherein the sealant layer includes a first polyester film having a crystallinity of 20 to 50% based on a first absorbance at a first wavenumber of 1409 cm?1, a second absorbance at a second wavenumber of 1370 cm?1, a third absorbance at a third wavenumber of 1340 cm?1, a first constant, and a second constant, the first to third absorbances and the first and second constants being determined based on FT-IR analysis, which uses a reflection method, on at least the first polyester film, the crystallinity of the first polyester film being expressed in accordance with the following formulas (1) and (2): I1409=p1×I1340+p2×I1370 . . . (Formula 1) and C=p1×(I1340/I1409)×100 . . . (Formula 2).
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: February 18, 2025
    Assignee: TOPPAN INC.
    Inventors: Shigeki Kudo, Haruna Kadoya
  • Patent number: 12222530
    Abstract: An optical device including a concavo-convex structure layer composed of a plurality of protrusions arranged having a subwavelength period; a high refractive index layer located on the concavo-convex structure and having a surface shape following the concavo-convex structure; and a low refractive index layer located on the high refractive index layer and having a surface shape following a concavo-convex structure on a surface of the high refractive index layer. The high refractive index layer includes a first grating high refractive index region located on a bottom of the concavo-convex structure to form a subwavelength grating, and a second grating high refractive index region located on a top of the concavo-convex structure to form a subwavelength grating. The high refractive index layer has a refractive index higher than both the refractive indices of the concavo-convex structure layer and the low refractive index layer.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: February 11, 2025
    Assignee: TOPPAN INC.
    Inventors: Masashi Kawashita, Yukari Oda
  • Patent number: 12217112
    Abstract: An IC card provided with an IC chip, and configured to enable at least one of contact communication and contactless communication, the IC card including an ultrasonic fingerprint sensor connected to the IC chip and a storage unit in which fingerprint data for matching is stored. An outer surface of the IC card is formed of synthetic resin, and the ultrasonic fingerprint sensor is covered with the synthetic resin.
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: February 4, 2025
    Assignee: TOPPAN INC.
    Inventors: Yukiko Katano, Tetsuya Tsukada, Shin Kataoka
  • Patent number: 12214573
    Abstract: A gas barrier laminate includes a polypropylene substrate layer; a first polyvinyl alcohol resin layer; and a metal oxide layer, which are laminated in this order, wherein the first polyvinyl alcohol resin layer has a mass per unit area of 0.5 to 2.5 g/m; and, a packaging material includes the above gas barrier laminate and a polypropylene sealant layer disposed on a surface of the gas barrier laminate, wherein a mass ratio of a sum of the polypropylene substrate layer and the polypropylene sealant layer to a total mass of the packaging material is 85 mass % or more.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: February 4, 2025
    Assignee: TOPPAN INC.
    Inventor: Ayumi Tanaka
  • Patent number: 12210238
    Abstract: A light control sheet includes: a laminate having a light control layer containing a liquid crystal compound and a dichroic dye; and a first protective layer and a second protective layer that are disposed to the laminate and absorb light in an absorption wavelength range including an ultraviolet region. The laminate in an opaque state has a chromaticity a* of ?15 to 15 and a chromaticity b* of ?16 to 15 in a CIE1976 (L*a*b*) color system in accordance with JIS-Z-8781-4. The smallest value of the absorption wavelength range is 360 nm or less, and the upper limit of the absorption wavelength range is 410 nm to 430 nm within the visible region. The protective layers have a chromaticity a* of ?10 to 0 and a chromaticity b* of 0 to 15 in a CIE1976 (L*a*b*) color system in accordance with JIS-Z-8781-4.
    Type: Grant
    Filed: February 2, 2024
    Date of Patent: January 28, 2025
    Assignee: TOPPAN Inc.
    Inventor: Yoshitaka Matsubara
  • Patent number: 12195608
    Abstract: What is provided is a method for producing a composite-particle composition including a first step of obtaining a dispersion liquid of fine fibers; a second step of coating a surface of liquid droplets of a polymerizable monomer or a polymer with the fine fibers in the dispersion liquid to stabilize the liquid droplets as an emulsion; a third step of polymerizing the liquid droplets of the polymerizable monomer or the polymer to obtain composite particles including the polymer coated with the fine fibers; and a fourth step of adsorbing a compound that forms an ionic bond in a pair with an ionic functional group of the fine fibers onto the fine fibers in the surface of the composite particles.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: January 14, 2025
    Assignees: TOPPAN INC., THE UNIVERSITY OF TOKYO
    Inventors: Nao Nishijima, Shuji Fujisawa
  • Patent number: 12200859
    Abstract: A circuit board having excellent reliability of connection between layers while being capable of achieving a compact and low-profile electronic device. In the circuit board has an LC circuit built therein with the use of a glass core having a through hole, a conductor layer formed in the through hole is connected to a wiring pattern formed on one surface of the glass core, and connected to a wiring pattern formed on the other surface of the glass core, with the conduction layer projected from the surface of the glass core. Thus, the area of contact between the conduction layer and the through hole is increased, thus making it possible to prevent the reliability of connection between layers in the through hole from being decreased, even when the glass core is reduced in thickness for achieving a low-profile device.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: January 14, 2025
    Assignee: TOPPAN INC.
    Inventor: Jun Onohara
  • Patent number: 12198324
    Abstract: The present disclosure provides an evaluation index calculation device, an evaluation index calculation method, and an evaluation index calculation program which are capable of diversifying an evaluation index representing an optical state of a light control sheet. The evaluation index calculation device acquires an evaluation image of an imaging target in a predetermined environment, captured via a light control sheet, and calculates a degree of obscuring caused by the light control sheet in the evaluation image, as an evaluation index, through image analysis of the evaluation image.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: January 14, 2025
    Assignee: TOPPAN Inc.
    Inventors: Wataru Ookubo, Masanori Sakamoto, Norihiko Kaneko
  • Patent number: D1064966
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: March 4, 2025
    Assignee: TOPPAN INC.
    Inventors: Hironori Uemura, Hiroyuki Michi