Patents by Inventor Yosuke Takeda

Yosuke Takeda 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: 11991871
    Abstract: An impedance matching film 10 includes a mixture containing indium oxide and tin oxide and being a main component of the impedance matching film, the mixture having an amorphous structure. The impedance matching film 10 for impedance matching has a Hall mobility of 5 cm2/(V·s) or more. The impedance matching film 10 has a thickness of 16 nm or more and less than 100 nm.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: May 21, 2024
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hironobu Machinaga, Motoki Haishi, Yosuke Nakanishi, Yuuki Takeda
  • Patent number: 11772356
    Abstract: To provide a translucent structure having a low haze factor and low sparkle. The translucent structure has an uneven structure at the surface thereof, wherein the uneven structure includes first convex portions 5a, of which the diameters at a height of the bearing height+0.05 ?m of the surface shape (a), obtainable by measuring the uneven structure by a laser microscope, are at least 1 ?m, and in an image (c) in which a plurality of convex portions are scattered, obtained by filtering the surface shape (a) by image processing software to obtain a smoothing image (b), and subtracting XYZ data of the smoothing image (b) from XYZ data of the surface shape (a), said plurality of convex portions include second convex portions 5b, of which the diameters at a height of 0.01 ?m when the bearing height is deemed to be 0, are at least 0.4 ?m, the density of the second convex portions is from 0.023 to 7.210 units/?m2, and the proportion of the total area in cross-section at a height of 0.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: October 3, 2023
    Assignee: AGC Inc.
    Inventors: Yosuke Takeda, Toru Ikeda, Makoto Fukawa
  • Patent number: 11772125
    Abstract: To provide an antiglare film-coated substrate that has an excellent antiglare property and reduced haze and through which cloudiness is not easily recognized visually on a black printed layer when the black printed layer is seen therethrough, for example, an antiglare film forming liquid composition for forming the antiglare film, and a method of producing an antiglare film-coated substrate. An antiglare film-coated substrate 1 includes a transparent substrate 2; and an antiglare film 3 provided on the transparent substrate 2, in which the antiglare film 3 contains silica as its main component and a CF3(CH2)n-group where n is an integer of 1 to 6, and the antiglare film 3 has surface roughness curve skewness Rsk of 1.3 or less and has arithmetic mean roughness Ra of 0.01 ?m or more.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: October 3, 2023
    Assignee: AGC Inc.
    Inventors: Yosuke Takeda, Takamichi Shimosaka, Toru Ikeda, Osamu Homma, Daisuke Kobayashi
  • Publication number: 20230203631
    Abstract: The steel material according to the present disclosure consists of, in mass%, C: 0.15 to 0.45%, Si: 0.05 to 1.00%, Mn: 0.05 to less than 0.80%, P: 0.030% or less, S: 0.0100% or less, Al: 0.100% or less, Cr: 0.30 to 1.50%, Mo: 0.25 to 2.00%, Ti: 0.001 to 0.015%, N: 0.0100% or less, O: 0.0050% or less, V: 0 to 0.05%, Nb: 0 to 0.010%, B: 0 to less than 0.0005%, Ca: 0 to 0.0100%, Mg: 0 to 0.0100%, and rare earth metal: 0 to 0.0100%, with the balance being Fe and impurities. In the steel material, the grain size number of prior-austenite grains is less than 7.0, Formula (1) to Formula (4) described in the specification are satisfied, the yield strength is 896 MPa or more, and the absorbed energy at -10° C. is 95 J or more.
    Type: Application
    Filed: April 15, 2021
    Publication date: June 29, 2023
    Inventors: Keiichi KONDO, Yuji ARAI, Keiichi NAKAMURA, Taro OE, Takenori KURAMOTO, Yosuke TAKEDA, Hiroki KAMITANI
  • Patent number: 11643571
    Abstract: There are provided: a composition for forming a water repellent film that can form a water repellent film not only excellent in water repellency but also excellent in abrasion resistance, particularly in abrasion resistance evaluated under close-to-actual-use conditions where a light resistance test is combined; a water repellent film formed by using the composition for forming a water repellent film; a substrate with a water repellent film including the water repellent film provided on at least part of a substrate; and an article including the substrate with a water repellent film. The composition for forming a water repellent film contains, at a predetermined quantitative ratio of a hydrolyzable silane compound (1) having a perfluoroalkyl group and having no ether bond; and a compound (21) that has a poly(oxyfluoroalkylene) group and a plurality of hydrolyzable silyl groups with a specific structure and that has a number average molecular weight of 3000 or more.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: May 9, 2023
    Assignee: AGC Inc.
    Inventor: Yosuke Takeda
  • Patent number: 11454579
    Abstract: A method for evaluating a base material includes deforming a base material. The base material includes a bent portion, and includes a first main surface, a second main surface, and an end surface to change a curvature of the bent portion. The method further includes evaluating a surface state of the first main surface of the base material.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: September 27, 2022
    Assignee: AGC Inc.
    Inventor: Yosuke Takeda
  • Publication number: 20220073760
    Abstract: To provide an antifouling layer-provided transparent substrate, which is excellent in antiglare and antifouling properties, especially in removability of a creamy product such as hand cream. An antifouling layer-provided transparent substrate, containing a transparent substrate and an antifouling layer provided as the top surface layer on one main surface of the transparent substrate, where the antifouling layer has a divalent group represented by —(OCF2)v(OCF2CF2)w— (where v and w are each independently an integer of at least 1), and the surface of the antifouling layer is such that the mean width RSm of the elements and the arithmetical mean roughness Ra satisfy RSm?Ra×100+5.
    Type: Application
    Filed: November 12, 2021
    Publication date: March 10, 2022
    Applicant: AGC Inc.
    Inventors: Hidefumi SHIOTA, Yosuke TAKEDA, Takamichi SHIMOSAKA
  • Patent number: 11267750
    Abstract: The present invention relates to a translucent structure having a surface unevenness shape which has: an area ratio of surface flat regions in which an angle formed with a flat surface is in a range of 0° to 0.5° of in a range of 0% to 5.8%; a projection density of in a range of 0.0001/?m2 to 0.05/?m2; a projection area ratio of in a range of 5.5% to 50%; a skewness Ssk which represents the degree of non-symmetry of in a range of ?0.5 to 1.1; a load area factor Smr1 at a boundary between a projected mountain portion and a core portion of in a range of 0% to 14.5%; and an arithmetic average surface roughness Sa of in a range of 0.06 ?m to 0.143 ?m.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: March 8, 2022
    Assignee: AGC INC.
    Inventors: Masanobu Isshiki, Toru Ikeda, Takaaki Murakami, Yosuke Takeda, Minoru Tamada
  • Publication number: 20210263204
    Abstract: A transparent substrate with a light-shielding layer, including: a transparent substrate including a first main surface and a second main surface; an infrared ray-transmitting layer that is disposed so as to be in contact with the first main surface of the transparent substrate, transmits an infrared ray, and shields a visible light; and a light-shielding layer that is disposed on the infrared ray-transmitting layer, includes an opening that exposes a part of the infrared ray-transmitting layer, and shields the visible light and the infrared ray, in which the light-shielding layer includes an end portion that projects from an end portion of the infrared ray-transmitting layer, that is closest to an outer circumference of the transparent substrate, and is in contact with an end face of the infrared ray-transmitting layer and the transparent substrate.
    Type: Application
    Filed: May 11, 2021
    Publication date: August 26, 2021
    Applicant: AGC Inc.
    Inventors: Toru IKEDA, Tomoyuki KOBAYASHI, Yosuke TAKEDA
  • Patent number: 11073644
    Abstract: A transparent substrate with a light-shielding layer, including: a transparent substrate including a first main surface and a second main surface; an infrared ray-transmitting layer that is disposed so as to be in contact with the first main surface of the transparent substrate, transmits an infrared ray, and shields a visible light; and a light-shielding layer that is disposed on the infrared ray-transmitting layer, includes an opening that exposes a part of the infrared ray-transmitting layer, and shields the visible light and the infrared ray, in which the light-shielding layer includes an end portion that projects from an end portion of the infrared ray-transmitting layer, that is closest to an outer circumference of the transparent substrate, and is in contact with an end face of the infrared ray-transmitting layer and the transparent substrate.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: July 27, 2021
    Assignee: AGC Inc.
    Inventors: Toru Ikeda, Tomoyuki Kobayashi, Yosuke Takeda
  • Patent number: 10948633
    Abstract: A translucent structure includes a translucent substrate and an antireflection layer provided on a visible side of the translucent substrate so that reflectivity of the translucent structure based on an SCI method is 3% or less. A visible-side outermost surface of the translucent structure includes a concave and convex structure as follows. The concave and convex structure includes a first convex portion and a second convex portion. The first convex portion has a diameter exceeding 10 ?m and 185 ?m or less in a specific section, and a specific maximum height is 0.2 to 8 ?m. The second convex portion has a diameter exceeding 1 ?m in a specific section, the number thereof is 0.0001 to 1.2 per 1 ?m2, and a specific average height thereof is 0.1 to 8 ?m.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: March 16, 2021
    Assignee: AGC Inc.
    Inventors: Takaaki Murakami, Azusa Takai, Toru Ikeda, Yosuke Takeda
  • Publication number: 20200369560
    Abstract: A cover glass includes a chemically strengthened glass including a first main surface having an area of 12,000 mm2 or larger and a second main surface, and an anti-fingerprint treated layer provided on or above the first main surface. The chemically strengthened glass has a depth of compressive stress layer DOL of 20 ?m or larger, has a tensile stress layer having a P2O5 content of 2 mol % or less, and has A×B of 135 or larger, provided that, among oxide components constituting the tensile stress layer, a total concentration of Li2, Na2O, and K2O is A mol % and a concentration of Al2O3 is B mol %. The anti-fingerprint treated layer includes a surface having a frictional electrification amount, as determined by Method D described in JIS L1094:2014, of 0 kV or less and ?1.5 kV or more.
    Type: Application
    Filed: August 12, 2020
    Publication date: November 26, 2020
    Applicant: AGC Inc.
    Inventors: Yosuke TAKEDA, Akio KOIKE, Toru IKEDA, Yasunari SAITO, Makoto FUKAWA, Takaaki MURAKAMI
  • Patent number: 10843497
    Abstract: The present invention relates to a plate with a printed layer containing: a bent plate with a bent portion, including a first main surface, a second main surface and an end surface, and a printed layer formed on the first main surface, in which the printed layer has an average value (average OD value) of optical density (OD values) in visible light in a plane being 4 or more.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: November 24, 2020
    Assignee: AGC Inc.
    Inventors: Jun Minamidate, Toru Ikeda, Yosuke Takeda, Azusa Takai
  • Publication number: 20200363571
    Abstract: A transparent substrate with an antiglare film, includes a transparent substrate having first and second main surfaces and an antiglare film formed on the first main surface. The antiglare film includes a low refractive index layer formed on the first main surface and a high refractive index layer formed in the low refractive index layer and having a refractive index different from that of the low refractive index layer. The low refractive index layer has nlow of 1.4 to 1.8. The high refractive index layer has nhigh at least 0.1 higher than the nlow. The high refractive index layer has an area ratio of its portion where a surface inclination to the first main surface is 0.5° or less of 15% or less. An average length RSm of elements of a roughness curve of an outermost surface on a first main surface side is 50 ?m or less.
    Type: Application
    Filed: August 5, 2020
    Publication date: November 19, 2020
    Applicant: AGC Inc.
    Inventors: Masanobu ISSHIKI, Toru IKEDA, Yosuke TAKEDA, Takamichi SHIMOSAKA, Takaaki MURAKAMI
  • Patent number: 10802318
    Abstract: There is provided a transparent substrate with an antifouling film that, when used as a cover member with an antifouling film of an electrostatic in-cell touch panel-type liquid crystal device, can reduce the whitening of a liquid crystal screen while fully maintaining an antifouling property and touch sensitivity. The transparent substrate with an antifouling film includes: a transparent substrate; and an antifouling film provided as an outermost layer on one main surface of the transparent substrate, wherein a surface shape of the antifouling film is a rugged shape whose arithmetic mean roughness Ra is 0.01 ?m or more, and surface resistivity measured on the surface of the antifouling film is 1.0×109 to 1.0×1013?/.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: October 13, 2020
    Assignee: AGC Inc.
    Inventors: Yosuke Takeda, Toru Ikeda, Takamichi Shimosaka, Takaaki Murakami
  • Publication number: 20200055771
    Abstract: The present invention relates to a film-attached glass substrate, characterized by: being provided with a glass substrate having two primary surfaces each having a compressive stress layer, and a film containing 1 at % or more of K disposed on one of the primary surfaces of the glass substrate; and the ratio of the difference in the amount of K in the compressive stress layer between the primary surfaces, the ratio being represented by formula (1), being ?0.027 to 0.027.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Applicant: AGC Inc.
    Inventors: Yosuke TAKEDA, Toru IKEDA, Naofumi AOYAMA, Tatsuya MIYAJIMA, Yoichi SERA
  • Publication number: 20190324177
    Abstract: A transparent substrate with a light-shielding layer, including: a transparent substrate including a first main surface and a second main surface; an infrared ray-transmitting layer that is disposed so as to be in contact with the first main surface of the transparent substrate, transmits an infrared ray, and shields a visible light; and a light-shielding layer that is disposed on the infrared ray-transmitting layer, includes an opening that exposes a part of the infrared ray-transmitting layer, and shields the visible light and the infrared ray, in which the light-shielding layer includes an end portion that projects from an end portion of the infrared ray-transmitting layer, that is closest to an outer circumference of the transparent substrate, and is in contact with an end face of the infrared ray-transmitting layer and the transparent substrate.
    Type: Application
    Filed: April 24, 2019
    Publication date: October 24, 2019
    Applicant: AGC Inc.
    Inventors: Toru Ikeda, Tomoyuki Kobayashi, Yosuke Takeda
  • Patent number: 10416354
    Abstract: The translucent structure of the present invention has a haze of higher than 10% and at most 70% and has a concavo-convex structure on its surface. The concavo-convex structure has first convex portions having a diameter of larger than 10 ?m in a cross section at a height of 0.05 ?m+the bearing height of a surface shape, and second convex portions having a diameter of larger than 1 ?m in a cross section at a height of 0.5 ?m+the bearing height. The average diameter of the first convex portions is larger than 10 ?m and at most 185 ?m in a cross section at a height of 0.05 ?m+the bearing height. The maximum height of the first convex portions is from 0.2 to 8 ?m. The number of the second convex portions is from 0.0004 to 1.2 per 1 um2.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: September 17, 2019
    Assignee: AGC Inc.
    Inventors: Azusa Takai, Toru Ikeda, Satoshi Kashiwabara, Yosuke Takeda
  • Publication number: 20190271623
    Abstract: A method for evaluating a base material includes deforming a base material. The base material includes a bent portion, and includes a first main surface, a second main surface, and an end surface to change a curvature of the bent portion. The method further includes evaluating a surface state of the first main surface of the base material.
    Type: Application
    Filed: May 22, 2019
    Publication date: September 5, 2019
    Applicant: AGC Inc.
    Inventor: Yosuke TAKEDA
  • Publication number: 20190256410
    Abstract: The present invention relates to a translucent structure having a surface unevenness shape which has: an area ratio of surface flat regions in which an angle formed with a flat surface is in a range of 0° to 0.5° of in a range of 0% to 5.8%; a projection density of in a range of 0.0001/?m2 to 0.05/?m2; a projection area ratio of in a range of 5.5% to 50%; a skewness Ssk which represents the degree of non-symmetry of in a range of ?0.5 to 1.1; a load area factor Smr1 at a boundary between a projected mountain portion and a core portion of in a range of 0% to 14.5%; and an arithmetic average surface roughness Sa of in a range of 0.06 ?m to 0.143 ?m.
    Type: Application
    Filed: February 19, 2019
    Publication date: August 22, 2019
    Applicant: AGC INC.
    Inventors: Masanobu ISSHIKI, Toru Ikeda, Takaaki Murakami, Yosuke Takeda, Minoru Tamada