Patents Assigned to Toppan Printing Co., Ltd.
  • Patent number: 11706968
    Abstract: A metal mask substrate includes a metal obverse surface configured such that a resist is placed on the obverse surface. The obverse surface has a three-dimensional surface roughness Sa of less than or equal to 0.11 ?m. The obverse surface also has a three-dimensional surface roughness Sz of less than or equal to 3.17 ?m.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: July 18, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Daisei Fujito, Kiyoaki Nishitsuji, Takehiro Nishi
  • Patent number: 11690178
    Abstract: A multilayer printed wiring board and a method of manufacturing the same are provided. A multilayer printed wiring board of the present embodiment includes: a core base material formed by laminating a first wiring layer and a first insulating layer in this order on an insulating substrate; and a built-up layer formed by laminating a second wiring layer and a second insulating layer in this order on the core base material. A primer layer is formed between the second wiring layer and the first insulating layer, the second wiring layer has a lower surface at least part of which is in contact with the primer layer, and the second wiring layer has an upper surface and a side surface on both of which a tin-plated layer and a silane coupling layer are formed in this order.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: June 27, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Hiroshi Matsumoto
  • Patent number: 11685799
    Abstract: Composite particles comprising at least one type of polymer particles having surfaces that have thereon coatings formed of finely-disintegrated cellulose, with the polymer particles and the finely-disintegrated cellulose being inseparably bonded together.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: June 27, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Takuya Isogai
  • Patent number: 11677081
    Abstract: A membrane electrode assembly includes a polyelectrolyte membrane having a first surface and a second surface facing away from the first surface; a fuel-electrode-side electrocatalyst layer bonded to the first surface and containing a first catalytic material, a first electrically conductive carrier, and a first polyelectrolyte, the first electrically conductive carrier carrying the first catalytic material; and an oxygen-electrode-side electrocatalyst layer bonded to the second surface and containing a second catalytic material, a second electrically conductive carrier, a second polyelectrolyte, and a fibrous material, the second electrically conductive carrier carrying the second catalytic material. The membrane electrode assembly contains voids, the voids including pores each having a size in a range of 3 nm or more and 5.5 ?m or less.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: June 13, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Madoka Ozawa, Hiroyuki Michi, Yuki Igarashi, Katsuyuki Kishi
  • Patent number: 11670758
    Abstract: An alkaline secondary battery negative electrode and a composition forming the negative electrode, containing an active material, a binder resin, and an electrically conductive agent containing an electrically conductive carbon material. When a value of D50 is defined to be an average particle size X and a value of D20 is defined to be a particle size Y in a cumulative particle size distribution obtained by measuring the active material using a laser diffractometry particle size distribution meter, the average particle size X is 10 ?m or less, and the particle size Y is in the range of 30% to 70% of the average particle size X.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: June 6, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Masahiro Serikawa
  • Patent number: 11662313
    Abstract: A microfluidic device includes a substrate having an electromagnetic wave transmission property, a lid member facing the substrate and being separated from the substrate such that a flow channel is formed between the substrate and the lid member, a light absorption layer which is placed in the flow channel and absorbs an electromagnetic wave, and a microwell array formed on the substrate and having plural microwells that are open to the flow channel to receive a target of analysis.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 30, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yoichi Makino, Keisuke Goto
  • Patent number: 11660836
    Abstract: A decorative sheet comprises a substrate layer; a pattern layer provided on the first front surface of the substrate layer; and a thermoplastic resin layer provided on the second front surface of the pattern layer. A test piece of 8 mm width from the decorative sheet is taken; the storage modulus is measured with an initial chuck distance of 10.77 mm, a start temperature of 30° C., an end temperature of 150° C., a temperature increase rate of 5° C./min, and a measurement frequency of 1.0 Hz. The ratio of the difference between the second storage modulus and a third storage modulus when the decorative sheet changes from the transition region to a rubbery flat region to the difference between a first storage modulus when the environmental temperature is 30° C. and a second storage modulus when the decorative sheet changes from a glassy region to a transition region is 3.5 or less.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: May 30, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Ryosuke Takahashi, Mamiko Sano, Hayato Funaki
  • Patent number: 11662689
    Abstract: A hologram that includes a formation layer and a reflection layer that are laminated. The formation layer has an optical phase modulation structure on a first interface in contact with the reflection layer. When reference light emitted from a point light source enters through a second interface different from the first interface of the formation layer, the entirety or part of an image to be reconstructed by the optical phase modulation structure is reconstructed as spatial information on the point light source side relative to the second interface.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: May 30, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Soko Koda, Akihito Kagotani, Tomoyuki Shirasaki, Noriko Harashima
  • Patent number: 11655395
    Abstract: A support film for a tape material, includes a film-shaped support formed of polyurethane; and a barrier layer containing an aromatic isocyanate-based polyurethane and a layered inorganic compound and formed on one surface of the support.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: May 23, 2023
    Assignees: TOPPAN PRINTING CO.. LTD., HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Koji Sakairi, Atsushi Matsushima, Tomohiro Shinoda, Atsushi Sonobe
  • Patent number: 11651944
    Abstract: A treatment method performed by a film processing apparatus including: a first discharge electrode unit and a second discharge electrode unit respectively including magnets that form a magnetic field; and an AC power source capable of alternately switching polarities of the first discharge electrode unit and the second discharge electrode unit. In the treatment method, a predetermined surface treatment of a film F is performed by generating a plasma P while alternately switching polarities of the first discharge electrode unit and the second discharge electrode unit by using high-frequency power supplied from the AC power source.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: May 16, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Kengo Okamura, Ken Takahara, Takahiro Hayakawa, Michihiro Hanami, Takayuki Tani
  • Patent number: 11650358
    Abstract: An optical film including a first film substrate, and a light diffusion layer that is formed on the first film substrate, wherein the light diffusion layer contains a binder resin and light-diffusing particles, of the light-diffusing particles, 10% or more by number of the light-diffusing particles form an uneven structure on a surface of the light-diffusing layer by the 10% or more of the light-diffusing particles protruding more than a surrounding area not containing any light-diffusing particles, and of the light diffusing particles which cause the binder resin to be protruded and have a protruded portion, 90% or more by number of the protruded portion of light-diffusing particles is covered by the binder resin.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: May 16, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Fumitake Suzuki
  • Patent number: 11650447
    Abstract: A light control sheet including a light control layer and transparent electrode layers sandwiching the light control layer such that the transparent electrode layers apply a voltage to the light control layer. The light control layer has a light-shielding property which changes based on the voltage applied to the transparent electrode layers and is measurable by a light-shielding ratio defined by JIS L 1055:2009, and at least one target change ratio has a maximum value of 0.7 or more in an absolute value, where the target change ratio is a change ratio of the light-shielding ratio with respect to the voltage in a target range of the voltage in which the light-shielding ratio changes by 10%.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: May 16, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Motoyasu Komatsu
  • Patent number: 11642869
    Abstract: A phosphor protection film that includes two films that are bonded to each other via an adhesive layer. One of the two films is a film including an inorganic film layer. In the phosphor protection film, when the film including the inorganic film layer of the two films is a barrier film and the other film of the two films is a support film, the support film has a thickness occupying 72% or more of the total thickness of the phosphor protection film.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: May 9, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Masato Kurokawa
  • Patent number: 11644602
    Abstract: By providing a rib portion 40 having a constant height in the range from 50% to 120% of the height of the highest point of a split lens structure between a plurality of split lenses, even when roll forming is performed at a high speed, trapping of air bubbles can be inhibited, and resin flow can be promoted; therefore, an optical element 10 having a surface on which a lens shape is formed and having a special optical effect can be obtained with few structural defects and high productivity.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: May 9, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Koichi Shinoda
  • Patent number: 11623466
    Abstract: A display medium that is able to arbitrarily change the display of recorded optical image information even when viewed from the same field of view, and an image display method that uses that display medium. The display medium includes a diffraction structure section on which optical image information is recorded, a chromic device that controls the reflection and transmission using voltage, and a power supply that is connected to the chromic device.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: April 11, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Hidetaka Ide
  • Patent number: 11614574
    Abstract: A photosensitive green composition for a color filter of a solid-state imaging element, contains a colorant (A), a binder resin (B), a photopolymerization initiator (C), a photopolymerizable monomer (D), an ultraviolet absorber (E), and a monofunctional thiol (F), wherein the colorant (A) contains C.I. Pigment Green 36 and/or C.I. Pigment Green 58.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: March 28, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Tomotaka Chuko, Kenji Hiki, Ryuji Doi, Kazushige Kitazawa, Shinichi Okamoto, Tetsuya Hirota, Tadatoshi Maeda, Hiroyuki Chinone
  • Patent number: 11607865
    Abstract: Provided is a laminate including a base material layer, an adhesive layer having a thickness in a range of 0.1 ?m to 1.0 ?m, and a non-oriented sealant layer having a thickness in a range of 10 ?m to 40 ?m and made of a cyclic polyolefin resin, wherein one main surface of the sealant layer constitutes an outermost surface of the laminate, the other main surface of the sealant layer is bonded to the base material layer via the adhesive layer, and an adhesion strength between the base material layer and the sealant layer is 0.8 N/15 mm or more.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: March 21, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yuki Sugiyama, Satoru Ishida, Ryo Hirose
  • Publication number: 20230075307
    Abstract: A display element includes a plurality of display areas, each display area including a plurality of sub display areas, each sub display area including a plurality of cells. A boundary portion formed into a groove structure so as to surround the cells. A plurality of prism structures each having a triangular cross section are arranged in parallel to each other in the cells so as to extend linearly or in an arc, and the boundary portion includes a rib structure connected to both ends of one or more of the prism structures. A display area is to display different motifs, in response to one or more of the sub display areas changing an optical property to become reflective or transmissive in accordance with one or both of an orientation angle and an elevation angle of observation.
    Type: Application
    Filed: November 15, 2022
    Publication date: March 9, 2023
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventor: Koichi SHINODA
  • Patent number: 11597178
    Abstract: A decorative sheet comprises a substrate layer; a pattern layer provided on the first front surface of the substrate layer; and a thermoplastic resin layer provided on the second front surface of the pattern layer. A test piece of 8 mm width from the decorative sheet is taken; the storage modulus is measured with an initial chuck distance of 10.77 mm, a start temperature of 30° C., an end temperature of 150° C., a temperature increase rate of 5° C./min, and a measurement frequency of 1.0 Hz. The ratio of the difference between the second storage modulus and a third storage modulus when the decorative sheet changes from the transition region to a rubbery flat region to the difference between a first storage modulus when the environmental temperature is 30° C. and a second storage modulus when the decorative sheet changes from a glassy region to a transition region is 3.5 or less.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: March 7, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Ryosuke Takahashi, Mamiko Sano, Hayato Funaki
  • Patent number: 11592605
    Abstract: A color developing structure that exhibits good color development and ensures a desired transmittance while diffusing reflected light in multiple directions. A color developing structure includes a concave-convex layer in which a first surface has a concave-convex structure, and a reflective layer formed on the first surface to extend along the concave-convex structure. A convex surface of the concave-convex structure has a first pattern composed of a plurality of strip portions in plan view. The strip portion has a width in a first direction and a length in a second direction perpendicular to the first direction. The width is smaller than the wavelength of the incident light, and a standard deviation of the lengths of the plurality of strip portions is larger than a standard deviation of the widths.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 28, 2023
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Kaoru Furuta, Hiroyuki Michi, Masashi Kawashita