Patents Assigned to Nitto Denko Corporation
  • Patent number: 10714962
    Abstract: A driving device is easily handled at the start and end of charging. A housing cup which includes a bottom surface portion on which at least one driving device including a power-receiving device is placed and a side face portion extending outward from the peripheral edge portion of the bottom surface portion and is formed so that an upper peripheral edge portion of the side face portion is an opening portion, and a magnetic field formation device which is configured to generate a variable magnetic field at a housing region surrounded by the bottom surface portion and the side face portion to allow the power-receiving device to receive power irrespective of the direction and position of the power-receiving device are provided.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: July 14, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Nam Tung Vu, Takezo Hatanaka, Taiki Sueyoshi, Masami Inoue, Hisashi Tsuda
  • Patent number: 10710063
    Abstract: Methods for making photocatalyst compositions and elements exhibiting desired photocatalytic activity levels and transparency.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: July 14, 2020
    Assignee: Nitto Denko Corporation
    Inventors: Takuya Fukumura, Guang Pan, Ekambaram Sambandan, Rajesh Mukherjee
  • Patent number: 10707184
    Abstract: A thermal bonding sheet includes a layer, in which hardness of the layer after being heated at a heating rate of 1.5° C./sec from 80° C. to 300° C. under pressure of 10 MPa, and then held at 300° C. for 2.5 minutes is in a range of 1.5 GPa to 10 GPa in measurement using a nanoindenter.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: July 7, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Yuki Sugo, Nao Kamakura
  • Publication number: 20200208026
    Abstract: Provided is a PSA composition with greatly reduced dependence on fossil-resource-based materials while comprising an acrylic PSA. The PSA composition provided includes a PSA. The PSA is an acrylic PSA including an acrylic polymer. The acrylic polymer is formed from monomers including more than 50% (by weight) acrylic monomer. At least 50% of all carbons in the PSA are biomass-based carbons.
    Type: Application
    Filed: December 20, 2019
    Publication date: July 2, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Masahito NIWA, Shigeki WATANABE, Masataka NISHIWAKI, Kazuki MINOURA
  • Publication number: 20200207058
    Abstract: A pressure-sensitive adhesive composition is disclosed making it possible that even when a polarizing film and a transparent conductive layer are laminated over each other to interpose a pressure-sensitive adhesive layer there between, this pressure-sensitive adhesive layer is formed as a pressure-sensitive adhesive layer capable of restraining the transparent conductive layer from being corroded, and further restraining a rise in the surface resistance of the transparent conductive layer, and a deterioration in the external appearance of this layer. Also disclosed are a pressure-sensitive adhesive layer made from the pressure-sensitive adhesive composition, a pressure-sensitive-adhesive-layer-attached polarizing film, and an image display device using the pressure-sensitive-adhesive-layer-attached polarizing film. The pressure-sensitive adhesive composition includes a (meth)acryl-based polymer (A) and a conductive agent (B) having a molecular weight of 380 or more.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Mizue Nagata, Masakuni Fujita, Yuusuke Toyama
  • Publication number: 20200208022
    Abstract: Provided is a PSA sheet with reduced dependence on fossil-resource-based materials while having an acrylic PSA. The PSA sheet provided includes a PSA layer. The PSA layer is formed from a PSA composition including an acrylic polymer. The acrylic polymer is a polymer of monomers that include more than 50% (by weight) acrylic monomer. At least 50% of all carbons in the PSA layer are biomass-derived carbons. The PSA sheet has a peel strength of less than 3 N/20 mm to a stainless steel plate.
    Type: Application
    Filed: December 20, 2019
    Publication date: July 2, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Masahito Niwa, Shigeki Watanabe, Masataka Nishiwaki, Kazuki Minoura
  • Publication number: 20200214089
    Abstract: A heater (1a) includes a support (10) made of an organic polymer and having a sheet shape, a heating element (20), and at least one pair of power supply electrodes (30) in contact with the heating element (20). The heating element (20) is a transparent conductive film made of a polycrystalline material containing indium oxide as a main component. In the heater (1a), the heating element (20) has a specific resistance of 1.4×10?4 ?·cm to 3×10?4 ?·cm. The heating element (20) has a thickness of more than 20 nm and not more than 100 nm.
    Type: Application
    Filed: August 3, 2018
    Publication date: July 2, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Toshihiro Tsurusawa, Takeshi Tanaka, Yosuke Nakanishi, Kyotaro Yamada, Hironobu Machinaga
  • Publication number: 20200207059
    Abstract: An electromagnetic wave absorber (1) includes a dielectric layer (10), a resistive layer (20), and an electrically conductive layer (30). The resistive layer (20) is disposed on one principal surface of the dielectric layer (10). The electrically conductive layer (30) is disposed on the other principal surface of the dielectric layer (10) and has a sheet resistance lower than a sheet resistance of the resistive layer (20). The resistive layer (20) has a sheet resistance of 200 to 600?/?. When the resistive layer (20) is subjected to an immersion treatment in which the resistive layer (20) is immersed in a 5 weight % aqueous solution of NaOH for 5 minutes, an absolute value of a difference between a sheet resistance of the resistive layer (20) before the immersion treatment and a sheet resistance of the resistive layer (20) after the immersion treatment is less than 100?/?.
    Type: Application
    Filed: March 27, 2018
    Publication date: July 2, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kazuto Yamagata, Hironobu Machinaga, Eri Ueda, Hiroichi Ukei, Takehiro Ui
  • Publication number: 20200214181
    Abstract: An electromagnetic wave absorber (1) includes a dielectric layer (10), a resistive layer (20), and an electrically conductive layer (30). The resistive layer (20) is disposed on one principal surface of the dielectric layer (10). The electrically conductive layer (30) is disposed on the other principal surface of the dielectric layer (10) and has a sheet resistance lower than a sheet resistance of the resistive layer (20). The resistive layer (20) is a layer that includes tin oxide or titanium oxide as a main component or a layer that is made of indium tin oxide including 40 weight % or more of tin oxide.
    Type: Application
    Filed: March 27, 2018
    Publication date: July 2, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kazuto Yamagata, Hironobu Machinaga, Yuuki Takeda, Hiroichi Ukei, Takehiro Ui
  • Patent number: 10701848
    Abstract: For the purpose of providing an electromagnetic wave absorber capable of holding excellent performance over a long period of time, the electromagnetic wave absorber includes: a dielectric layer B including a polymer film and having a first surface and a second surface; a resistive layer A formed on the first surface of the dielectric layer Band containing indium tin oxide as a main component; and an electrically conductive layer C formed on the second surface of the dielectric layer B and having a sheet resistance lower than that of the resistive layer A, wherein the indium tin oxide in the resistive layer A contains 20 to 40 wt. % of tin oxide based on the total weight of the indium tin oxide.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: June 30, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kazuto Yamagata, Hironobu Machinaga, Takehiro Ui, Hiroichi Ukei, Yuya Kitagawa, Kazuaki Sasa
  • Patent number: 10696877
    Abstract: A curable resin composition for forming an adhesive layer on at least one surface of a substrate (C), the curable resin composition comprising: a compound (A) represented by formula (1): wherein X represents a functional group containing a reactive group, and R1 and R2 each independently represent a hydrogen atom or an optionally substituted, aliphatic hydrocarbon, aryl, or heterocyclic group; and an adhesion aid compound (B), the curable resin composition satisfying formula (X): ?10?HSP (A)?HSP (B)?10 and formula (Y): ?10?HSP (C)?HSP (B)?10, wherein HSP (A) is an HSP value of the compound (A), HSP (B) is an HSP value of the adhesion aid compound (B), and HSP (C) is an HSP value of the substrate (C).
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: June 30, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kayo Shimokawa, Ryoko Asai, Taiki Shimokuri, Yoshiaki Ito, Tatsuya Yamasaki
  • Patent number: 10696880
    Abstract: Provided are a polyester-based pressure-sensitive adhesive composition having high wetting ability and superior adherability and light peelability, and a pressure-sensitive adhesive sheet produced with such a pressure-sensitive adhesive composition. The polyester-based pressure-sensitive adhesive composition includes a polyester obtained by polycondensation of a difunctional or polyfunctional carboxylic acid and a diol; a fatty acid ester; and a crosslinking agent, wherein the polyester has a weight average molecular weight of 8,500 to 50,000, and the fatty acid ester has no additional functional group and has a molecular weight of 200 to 700. The polyester-based pressure-sensitive adhesive composition contains 10 to 150 parts by weight of the fatty acid ester based on 100 parts by weight of the polyester.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: June 30, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Satomi Yoshie, Shigeki Ishiguro, Akiko Tanaka
  • Publication number: 20200198302
    Abstract: Provided is a transparent sheet that is prevented from curling, is excellent in external appearance, prevents the progress of a crack, and the rupture, of its glass, and is excellent in flexibility. A transparent sheet of the present invention includes: an inorganic glass; and a resin film bonded onto one side, or each of both sides, of the inorganic glass through an adhesion layer, in which: the inorganic glass has a thickness of from 35 ?m to 100 ?m; the adhesion layer has a single-layer thickness of more than 10 ?m and (the thickness of the inorganic glass×0.3) ?m or less; the adhesion layer has a modulus of elasticity at 25° C. of from 1.2 GPa to 10 GPa; and a ratio of a total thickness of the resin film to the thickness of the inorganic glass is from 0.9 to 4.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 25, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Daisuke Hattori, Tadayuki Kameyama
  • Publication number: 20200197555
    Abstract: Provided is a stretchable film having excellent stretchability, excellent air permeability, and an excellent deodorizing property. Also provided is an article including such stretchable film. A stretchable film of the present invention is a film having stretchability, and includes a deodorant. The stretchable film of the present invention is a film having stretchability, and has a deodorization efficiency for each of ammonia and hydrogen sulfide 3 hours after the start of a deodorization test, the deodorization efficiency being measured by a detector tube method, of 10% or more.
    Type: Application
    Filed: September 14, 2017
    Publication date: June 25, 2020
    Applicants: NITTO DENKO CORPORATION, NITTO DENKO CORPORATION
    Inventors: Muneshige NAKAGAWA, Kohei TAKEDA, Shinsuke IKISHIMA
  • Patent number: 10688432
    Abstract: A filter medium includes a first porous PTFE membrane, a first air-permeable support member, a second porous PTFE membrane, and a second air-permeable support member. A surface of the filter medium is formed by the first porous PTFE membrane. A bond strength, as measured by a 180° peel test, between the first porous PTFE membrane and the first air-permeable support member is higher than 1.2 N/25 mm. The first air-permeable support member is an embossed non-woven fabric having one or more recessed portions and one or more projecting portions. A ratio of the area of the recessed portion or the total area of the recessed portions to the area of the embossed non-woven fabric serving as the first air-permeable support member is more than 15%.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: June 23, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventor: Shiho Wada
  • Patent number: 10688120
    Abstract: The present invention provides an allergy vaccine composition that is useful as a prophylactic or therapeutic agent for an allergic disease and can safely and effectively induce immune tolerance. The vaccine composition is to be administered to a human or animal with an allergic disease for the prevention or treatment of the allergic disease.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: June 23, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kyohei Matsushita, Masahiro Fukasaka, Takuya Shishido, Daisuke Asari, Katsuyuki Okubo, Mitsuhiko Hori
  • Patent number: 10688759
    Abstract: Provided is a production method for an optical laminate, which is excellent in production efficiency even through use of a thin glass. The production method for an optical laminate of the present invention includes: a thin glass production step of producing a thin glass having a thickness of 100 ?m or less; and a lamination step of laminating an optical film on one surface, or each of both surfaces, of the thin glass, the thin glass production step and the lamination step being performed in an integrated line, the lamination step including bonding the optical film onto the thin glass under a state in which the thin glass is supported.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: June 23, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Kazuhito Hosokawa
  • Patent number: 10685933
    Abstract: A thermal bonding sheet includes a layer, in which an average area of a pore portion in a cross section of the layer after being heated at a heating rate of 1.5° C./sec from 80° C. to 300° C. under pressure of 10 MPa, and then held at 300° C. for 2.5 minutes is in a range of 0.005 ?m2 to 0.5 ?m2.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: June 16, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Yuki Sugo, Nao Kamakura
  • Patent number: 10682615
    Abstract: The objective of the present invention is to provide a composite semi-permeable membrane having high processing efficiency even when processing of wastewater having a suspended matter content high enough to tend to result in clogging, said processing efficiency being unlikely to decline even under elevated-pressure operation accompanying continuous use at high pressure. The present invention pertains to a composite semi-permeable membrane having a polymer porous layer on one surface of a nonwoven cloth layer, and a polyamide separation function layer on the polymer porous layer, wherein the ratio of the thickness of the polymer porous layer to the thickness of the nonwoven cloth layer is 0.22 to 0.45.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: June 16, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Masashi Echizen, Atsuhito Komoto, Yasuyuki Sakakibara, Kazusa Matsui, Taisuke Yamaguchi
  • Patent number: 10687427
    Abstract: A method for producing a wired circuit board including an insulating layer and a conductive pattern, including (1), providing the insulating layer having an inclination face; (2), providing a metal thin film at least on the surface of the insulating layer; (3), providing a photoresist on the surface of the metal thin film; (4), disposing a photomask so that a first portion, where the conductive pattern is provided in the photoresist, is shielded from light, and the photoresist is exposed to light through the photomask; (5), removing the first portion to expose the metal thin film corresponding to the first portion; and (6), providing the conductive pattern on the surface of the metal thin film exposed from the photoresist. The inclination face has a second portion that allows the light reflected at the metal thin film to reach the first portion.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: June 16, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Yuu Sugimoto, Hiroyuki Tanabe, Yoshito Fujimura