Patents by Inventor Tomotake Nashiki

Tomotake Nashiki 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).

  • Patent number: 10942295
    Abstract: The anti-reflection film includes an anti-reflection layer composed of multilayer thin-films having different refractive indexes on one principal surface of a transparent film substrate. The moisture permeability of the anti-reflection film is 15 to 1000 g/m2·24 h. The surface of the anti-reflection layer has an indentation elastic modulus of 20 to 100 GPa, and an arithmetic mean roughness Ra of 3 nm or less. The arithmetic mean roughness Ra of the surface of the anti-reflection layer is preferably 1.5 nm or less. The thin-films constituting the anti-reflection layer can be deposited by, for example, a sputtering method.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: March 9, 2021
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kodai Miyamoto, Minoru Kanatani, Tomotake Nashiki
  • Publication number: 20200301225
    Abstract: An electrochromic light adjusting member sequentially includes a transparent substrate, a light transmitting electrically conductive layer, and an electrochromic light adjusting layer. The light transmitting electrically conductive layer sequentially includes a first indium-based electrically conductive oxide layer, a metal layer, and a second indium-based electrically conductive oxide layer.
    Type: Application
    Filed: March 29, 2017
    Publication date: September 24, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Hideyuki Yonezawa, Nozomi Fujino, Kenta Watanabe, Tomotake Nashiki
  • Patent number: 10720264
    Abstract: The light transmitting conductive film includes a light transmitting substrate and a non-crystal light transmitting conductive layer, wherein the conditions (1) to (3) below are satisfied when the non-crystal light transmitting conductive layer has a carrier density of Xa×1019(/cm3) and a hole mobility of Ya (cm2/V·s); a heated light transmitting conductive layer has a carrier density of Xc×1019(/cm3) and a hole mobility of Yc (cm2/V·s), wherein the heated light transmitting conductive layer is the non-crystal light transmitting conductive layer after going through heating; and a moving distance L is {(Xc?Xa)2+(Yc?Ya)2}1/2: (1) Xa?Xc (2) Ya?Yc, and (3) the moving distance L is 1.0 or more and 45.0 or less.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: July 21, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Nozomi Fujino, Tomotake Nashiki
  • Patent number: 10585327
    Abstract: A light modulation film (1) includes a light modulation layer (30) whose state is reversibly changed between a transparent state by hydrogenation and a reflective state by dehydrogenation, and a catalyst layer (40) that promotes hydrogenation and dehydrogenation in the light modulation layer, in this order on a polymer film substrate (10). light modulation layer (30) includes a light modulation region (32) having a thickness of 10 nm or more on a catalyst layer (40)-side, and an oxidized region (31) on a polymer film substrate (10)-side.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: March 10, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Masayoshi Katagiri, Nozomi Fujino, Tomotake Nashiki
  • Patent number: 10514560
    Abstract: The light modulation film (1) is a hydrogen-activation-type light modulation film that includes an inorganic oxide layer (20), a light modulation layer (30) and a catalyst layer (40), in this order on a polymer film substrate (10). The light modulation layer (30) is a layer for reversibly changing states between a transparent state due to hydrogenation and a reflective state due to dehydrogenation. The catalyst layer (40) promotes hydrogenation and dehydrogenation in the light modulation layer. The inorganic oxide layer (20) contains an oxide of an element different from a metal element that constitutes the light modulation layer (30).
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: December 24, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Nozomi Fujino, Masayoshi Katagiri, Tomotake Nashiki
  • Publication number: 20190310394
    Abstract: The anti-reflection film includes an anti-reflection layer composed of multilayer thin-films having different refractive indexes on one principal surface of a transparent film substrate. The moisture permeability of the anti-reflection film is 15 to 1000 g/m2·24 h. The surface of the anti-reflection layer has an indentation elastic modulus of 20 to 100 GPa, and an arithmetic mean roughness Ra of 3 nm or less. The arithmetic mean roughness Ra of the surface of the anti-reflection layer is preferably 1.5 nm or less. The thin-films constituting the anti-reflection layer can be deposited by, for example, a sputtering method.
    Type: Application
    Filed: June 16, 2017
    Publication date: October 10, 2019
    Applicant: Nitto Denko Corporation
    Inventors: Kodai MIYAMOTO, Minoru KANATANI, Tomotake NASHIKI
  • Publication number: 20190233939
    Abstract: A transparent conductive film includes a crystalline transparent conductive layer obtained by forming an amorphous transparent conductive layer on a polymeric film substrate by sputtering, and crystallizing the amorphous transparent conductive layer. Defining that the amorphous transparent conductive layer has a carrier density represented by na×1019 and Hall mobility represented by ?a, that the crystalline transparent conductive layer has a carrier density represented by nc×1019 and Hall mobility represented by ?c, and that a length of motion L is represented by {(nc?na)2+(?c??a)}1/2, the amorphous transparent conductive layer before the crystallizing process has a carrier density na×1019 of (10?60)×1019/cm3 and Hall mobility ?a of 10-25 cm2/V·s, and the crystalline transparent conductive layer after the crystallizing process has a carrier density nc×1019 of (80?150)×1019/cm3 and Hall mobility ?c of 20-40 cm2/V·s, and the length of motion L is 50-150.
    Type: Application
    Filed: April 9, 2019
    Publication date: August 1, 2019
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kodai Miyamoto, Kazuaki Sasa, Hironobu Machinaga, Eri Ueda, Manami Kurose, Tomotake Nashiki
  • Patent number: 10303284
    Abstract: There is provided a transparent conductive film achieving low resistance characteristics of a transparent conductive layer. The present invention provides a transparent conductive film including: a polymer film substrate; and a transparent conductive layer formed on at least one surface of the polymer film substrate by means of a sputtering method using a sputtering gas including argon, wherein an existing atomic amount of argon atoms in the transparent conductive layer is 0.24 atomic % or less; an existing atomic amount of hydrogen atoms in the transparent conductive layer is 13×1020 atoms/cm3 or less; and the transparent conductive layer has a specific resistance of 1.1×10?4 ?·cm or more and 2.8×10?4 ?·cm or less.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: May 28, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Nozomi Fujino, Tomotake Nashiki, Daiki Kato, Hironobu Machinaga, Kazuaki Sasa, Eri Ueda, Tomoya Matsuda
  • Patent number: 10290391
    Abstract: A transparent conductive film includes: a transparent substrate film; an antistripping layer with a thickness of 1.5 nm to 8 nm formed on one main surface of the substrate film; an optical adjustment layer with a thickness of 10 nm to 25 nm formed on the antistripping layer; and a transparent conductor layer with a pattern formed on the optical adjustment layer. The transmission Y value measured from a side of the transparent conductor layer is 88.0 or more and the reflection color difference ?E between a pattern portion and a non-pattern portion is 7.0 or less.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: May 14, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Daiki Kato, Nozomi Fujino, Tomotake Nashiki
  • Publication number: 20190122784
    Abstract: The light transmitting conductive film includes a light transmitting substrate and a non-crystal light transmitting conductive layer, wherein the conditions (1) to (3) below are satisfied when the non-crystal light transmitting conductive layer has a carrier density of Xa×1019(/cm3) and a hole mobility of Ya (cm2/V·s); a heated light transmitting conductive layer has a carrier density of Xc×1019(/cm3) and a hole mobility of Yc (cm2/V·s), wherein the heated light transmitting conductive layer is the non-crystal light transmitting conductive layer after going through heating; and a moving distance L is {(Xc?Xa)2+(Yc?Ya)2}1/2: (1) Xa?Xc (2) Ya?Yc, and (3) the moving distance L is 1.0 or more and 45.0 or less.
    Type: Application
    Filed: November 8, 2016
    Publication date: April 25, 2019
    Applicant: NITTO DENKO CORPORATION
    Inventors: Nozomi Fujino, Tomotake Nashiki
  • Patent number: 10183466
    Abstract: A transparent electroconductive film with a protective film includes: a transparent electroconductive film including a film substrate, an optical adjustment layer formed on one main surface of the film substrate, and a transparent conductive layer formed on the optical adjustment layer; and a protective film bonded to a main surface of the film substrate on a side opposite to the transparent conductive layer, wherein the transparent electroconductive film and the protective film are thermally shrinkable in at least one direction in a main surface, and the absolute value of the maximum thermal shrinkage ratio (%) of the transparent electroconductive film in a main surface is smaller than the absolute value of the maximum thermal shrinkage ratio (%) of the protective film in a main surface, and the difference between the absolute values is 0.05% to 0.6%.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: January 22, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Nozomi Fujino, Daiki Kato, Tomotake Nashiki
  • Patent number: 10186346
    Abstract: A transparent conductive film 1 includes, in this order, a transparent substrate 2, a first optical adjustment layer 4, an inorganic layer 5, and a transparent conductive layer 6. The first optical adjustment layer 4 has refractive index nC lower than refractive index nA of the transparent substrate 2, and thickness TC of 10 nm or more and 35 nm or less. The inorganic layer 5 has refractive index nD that is lower than the absolute value |nC×1.13| of a value obtained by multiplying the refractive index nC of the first optical adjustment layer 4 by 1.13.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: January 22, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Daiki Kato, Rie Kawakami, Nozomi Fujino, Tomotake Nashiki
  • Patent number: 10168571
    Abstract: Disclosed is a polarizing plate with a pressure sensitive adhesive including an infrared reflecting layer and a pressure sensitive adhesive layer in this over on one surface of a polarizer. The pressure sensitive adhesive layer is an outermost surface layer of the polarizing plate with a pressure sensitive adhesive. The polarizing plate with a pressure sensitive adhesive may further include a quarter wave plate.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: January 1, 2019
    Assignee: NITTO DENKO CORPORATION
    Inventors: Minoru Kanatani, Tomotake Nashiki, Nozomi Fujino
  • Publication number: 20180282857
    Abstract: A transparent conductive film includes a transparent substrate film, a hard coat layer, an optical adjustment layer, and a transparent conductor layer, in which the hard coat layer, the optical adjustment layer, and the transparent conductor layer are laminated on the transparent substrate film in this order. The hard coat layer has a thickness of 250 nm to 2,000 nm, and the thickness of the optical adjustment layer is 2% to 10% of the thickness of the hard coat layer. Crystallization of the transparent conductor layer is completed by heating at, for example, 140° C. for 30 minutes.
    Type: Application
    Filed: October 30, 2015
    Publication date: October 4, 2018
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daiki Kato, Nozomi Fujino, Tomotake Nashiki
  • Publication number: 20180211744
    Abstract: A transparent conductive film includes: a transparent substrate film; an antistripping layer with a thickness of 1.5 nm to 8 nm formed on one main surface of the substrate film; an optical adjustment layer with a thickness of 10 nm to 25 nm formed on the antistripping layer; and a transparent conductor layer with a pattern formed on the optical adjustment layer. The transmission Y value measured from a side of the transparent conductor layer is 88.0 or more and the reflection color difference ?E between a pattern portion and a non-pattern portion is 7.0 or less.
    Type: Application
    Filed: October 30, 2015
    Publication date: July 26, 2018
    Applicant: NITTO DENKO CORPORATION
    Inventors: Daiki Kato, Nozomi Fujino, Tomotake Nashiki
  • Patent number: 10025432
    Abstract: Provided is a capacitive touch panel which has enhanced sensitivity and is usable in an image display panel, etc. in this capacitive touch panel, a window, a first transparent film having a first transparent conductive electrode pattern formed on one surface thereof, and a second transparent film having a second transparent conductive electrode pattern which is formed on one surface thereof and disposed with respect to the first transparent film in such a manner as to allow a capacitance to be formed therebetween, are stacked in turn. The capacitive touch panel comprises a first transparent inter-layer resin provided between the window and the first transparent film, and a second transparent inter-layer resin provided between the first transparent film and the second transparent film, wherein the first transparent inter-layer resin has a dielectric constant greater than that of the second transparent inter-layer resin.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: July 17, 2018
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hiroaki Kishioka, Mayumi Kishioka, Tomohide Banba, Mitsuru Honjo, Naoki Nagaoka, Kazumasa Igarashi, Yuki Hasegawa, Hiroshi Wada, Yuki Tsubaki, Tomotake Nashiki
  • Patent number: 10025007
    Abstract: There is provided a transparent conductive film which has a transparent conductive layer having low specific resistance and has excellent scratch resistance. A transparent conductive film of the present invention includes: a transparent film substrate; at least three undercoat layers; and a transparent conductive layer in this order. The at least three undercoat layers include: a first undercoat layer formed by a wet coating method; a second undercoat layer that is a metal oxide layer having an oxygen deficient; and a third undercoat layer that is an SiO2 film from a side of the film substrate. The third undercoat layer has a density of 2.0 g/cm3 or more and 2.8 g/cm3 or less. The transparent conductive layer has specific resistance of 1.1×10?4 ?·cm or more and 3.8×10?4 ?·cm or less.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: July 17, 2018
    Assignee: NITTO DENKO CORPORATION
    Inventors: Nozomi Fujino, Daiki Kato, Tomotake Nashiki
  • Publication number: 20180173076
    Abstract: A light modulation film (1) includes a light modulation layer (30) whose state is reversibly changed between a transparent state by hydrogenation and a reflective state by dehydrogenation, and a catalyst layer (40) that promotes hydrogenation and dehydrogenation in the light modulation layer, in this order on a polymer film substrate (10). In a thickness-direction distribution of an element concentration as measured by X-ray electron spectroscopy, the light modulation layer (30) includes a light modulation region (32) with an oxygen content of 50 atom % or more and having a thickness of 10 nm or more on a catalyst layer (40)-side, and an oxidized region (31) with an oxygen content of less than 50 atom % on a polymer film substrate (10)-side.
    Type: Application
    Filed: May 18, 2016
    Publication date: June 21, 2018
    Applicant: Nitto Denko Corporation
    Inventors: Masayoshi KATAGIRI, Nozomi FUJINO, Tomotake NASHIKI
  • Publication number: 20180164611
    Abstract: The light modulation film (1) is a hydrogen-activation-type light modulation film that includes an inorganic oxide layer (20), a light modulation layer (30) and a catalyst layer (40), in this order on a polymer film substrate (10). The light modulation layer (30) is a layer for reversibly changing states between a transparent state due to hydrogenation and a reflective state due to dehydrogenation. The catalyst layer (40) promotes hydrogenation and dehydrogenation in the light modulation layer. The inorganic oxide layer (20) contains an oxide of an element different from a metal element that constitutes the light modulation layer (30).
    Type: Application
    Filed: May 18, 2016
    Publication date: June 14, 2018
    Applicant: Nitto Denko Corporation
    Inventors: Nozomi FUJINO, Masayoshi KATAGIRI, Tomotake NASHIKI
  • Patent number: 9910545
    Abstract: The transparent conductive film of the present invention is a transparent conductive film, comprising: a transparent film substrate; a patterned transparent conductive layer formed on one side of the transparent film substrate; and a colored layer provided on at least one of an opposite side of the transparent conductive layer from the transparent film substrate and an opposite side of the transparent film substrate from the transparent conductive layer, wherein the colored layer has an average absorptance of from 35% to 90% for light in the wavelength range of from 380 nm to 780 nm.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: March 6, 2018
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kazuhiro Nakajima, Tomotake Nashiki, Hideo Sugawara