Patents Assigned to AGC Inc.
  • Patent number: 12285927
    Abstract: Laminated glass for a vehicle includes a vehicle-interior side glass plate, a vehicle-exterior side glass plate, an interlayer film that bonds the vehicle-interior side glass plate and the vehicle-exterior side glass plate, and a structure sealed in the interlayer film. The interlayer film includes a first interlayer film bonded to the vehicle-interior side glass plate, a second interlayer film bonded to the vehicle-exterior side glass plate, and a third interlayer film located between the first interlayer film and the second interlayer film to enclose an outer periphery of the structure. Where a film thickness of the first interlayer film or the second interlayer film, whichever is thinner, is denoted as ti, and a thickness of the structure is denoted as ts, ti/ts?0.4 is satisfied. Where a flexural modulus of the structure is denoted as E1 [MPa], a relationship between ts and E1 satisfies E1×ts3?500.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: April 29, 2025
    Assignee: AGC INC.
    Inventors: Shunsuke Sadakane, Hideaki Hayashi
  • Publication number: 20250128984
    Abstract: The present invention relates to a heat ray reflecting substrate including: a dielectric substrate; and a heat ray reflecting film formed on at least one main surface of the dielectric substrate, in which the heat-ray reflecting substrate has a radio wave transmitting region in at least a part of the at least one main surface of the dielectric substrate in a plan view, the radio wave transmitting region includes a slit portion where the heat ray reflecting film is not present, and in the radio wave transmitting region, a solar heat gain coefficient (g0) in a region including no slit portion and a solar heat gain coefficient (g1) in a region including the slit portion satisfy the following formula (a): g1<(1?f2)·g0+f2? (a), provided that f2 is a designed aperture rate, and ? is a solar heat gain coefficient of the dielectric substrate.
    Type: Application
    Filed: January 2, 2025
    Publication date: April 24, 2025
    Applicant: AGC Inc.
    Inventors: Kenichi UMEDA, Keisuke ARAI, Masahiro KISHI
  • Publication number: 20250128575
    Abstract: There is provided a vehicle glass that appropriately transmits far-infrared rays and has shock resistance. A vehicle glass (1) includes a glass member (10) in which an opening (19) penetrating the glass member (10) from a surface on a vehicle exterior side to a surface on a vehicle interior side is formed and a transmissive member (20) that is disposed in the opening (19), and has an average internal transmittance of 50% or more for light having a wavelength of 8 ?m to 13 ?m. A ratio Sa/Sb of fracture velocity Sa [km/h] measured on a surface on the vehicle of the transmissive member (20) by a chart stone chipping test and fracture velocity Sb [km/h] measured on the surface on the vehicle exterior side of the glass member (10) is 0.7 or more.
    Type: Application
    Filed: December 31, 2024
    Publication date: April 24, 2025
    Applicant: AGC Inc.
    Inventors: Yusuke KOBAYASHI, Kenji KITAOKA
  • Publication number: 20250132382
    Abstract: A sulfide-based solid electrolyte powder emits photo-luminescence light between a wavelength of 660 nm to 750 nm. A photo-luminescence peak ratio may be 0.2 or more in a Raman spectrum obtained by excitation with light having a wavelength of 532 nm as represented by the following formula: Photo-luminescence peak ratio=integrated intensity of peak in Raman shift region of 4300 cm?1 to 4500 cm?1/integrated intensity of peak in Raman shift region of 400 cm?1 to 450 cm?1.
    Type: Application
    Filed: December 16, 2024
    Publication date: April 24, 2025
    Applicant: AGC Inc.
    Inventors: Naoki FUJII, Kosho AKATSUKA, Osamu HOMMA
  • Patent number: 12281039
    Abstract: The present invention relates to a chemically strengthened glass satisfying A1 [MPa] of 600 or more, A2 [MPa] of 50 or more, B1 [?m] of 6 or less, B2 [?m] of 10% or more of t [?m], C [MPa] of ?30 or less, and A1/B1 [MPa/?m] of 100 or more when the chemically strengthened glass has a thickness t [?m] and a profile of a stress value [MPa] at a depth×[?m] from a glass surface is approximated by an error least-squares method in a region of 0<x<3t/8 using the following function while defining a compressive stress as positive and a tensile stress as negative: A1erfc(x/B1)+A2erfc(x/B2)+C, in which erfc is a complementary error function, and relations of A1>A2 and B1<B2 are satisfied.
    Type: Grant
    Filed: May 12, 2023
    Date of Patent: April 22, 2025
    Assignee: AGC Inc.
    Inventors: Kenji Imakita, Suguru Murayama, Izuru Kashima, Kazuki Kanehara
  • Publication number: 20250122115
    Abstract: A glass contains ytterbium and has a transmittance of 30% or less for light having a wavelength of 940 nm in terms of a thickness of 0.4 mm. The glass may have a transmittance of 78% or more for light having a wavelength of 850 nm in terms of a thickness of 0.4 mm.
    Type: Application
    Filed: December 23, 2024
    Publication date: April 17, 2025
    Applicant: AGC Inc.
    Inventors: Takahiro SAKAGAMI, Motoshi NAKAYAMA
  • Publication number: 20250123431
    Abstract: An optical filter includes: a dielectric multilayer film 1; a substrate comprising a near-infrared ray absorbing glass and a resin film; and a dielectric multilayer film 2 in this order. The resin film comprises a near-infrared ray absorbing dye and a resin, the near-infrared ray absorbing glass is a fluorophosphate glass containing P, Cu, and F, and the optical filter satisfies all of the spectral characteristics (i-1) to (i-3), (i-5), and (i-13).
    Type: Application
    Filed: December 26, 2024
    Publication date: April 17, 2025
    Applicant: AGC INC.
    Inventors: Takashi NAGATA, Takahiro SAKAGAMI, Kazuhiko SHIONO
  • Publication number: 20250122317
    Abstract: The present invention provides a fluorine-containing polymer that is capable of forming a coating film having excellent liquid repellency and liquid slippability. Specifically provided is a fluorine-containing polymer containing a Unit A having a fluorine-containing aliphatic ring structure that constitutes the main chain, and a Unit B based on a fluorine-containing monomer b that has at least one type of hetero atom selected from the group consisting of an oxygen atom and a sulfur atom, and does not have a fluorine-containing aliphatic ring structure constituting the main chain, wherein the residual rate of polymerizable carbon-carbon double bonds is not more than 0.5 mol %.
    Type: Application
    Filed: December 20, 2024
    Publication date: April 17, 2025
    Applicant: AGC Inc.
    Inventors: Yusuke YASU, Shinya TAJIMA
  • Patent number: 12275859
    Abstract: The object of the present invention is to provide a fluorinated ether composition with which a surface layer capable of imparting excellent water/oil repellency to the surface of a substrate and being excellent in abrasion resistance and weather resistance of the water/oil repellency, can be formed, and a coating liquid containing the fluorinated ether composition. The present invention further provides an article having a surface layer formed of the fluorinated ether composition, and a method for producing it. A fluorinated ether composition containing a specific fluorinated ether compound (1) having a poly(oxyfluoroalkylene) chain and having two silyl groups each having a hydrolyzable group bonded, at one terminal of the chain via an amide bond, and a specific fluorinated ether compound (2) having a poly(oxyfluoroalkylene) chain and having two silyl groups having a hydrolyzable group bonded, at both terminals of the chain via an amid bond.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: April 15, 2025
    Assignee: AGC Inc.
    Inventor: Hidefumi Shiota
  • Patent number: 12276035
    Abstract: To provide a polymer electrolyte membrane which can be applied to a polymer electrolyte water electrolyzer, and is capable of producing a polymer electrolyte water electrolyzer having a low electrolytic voltage and excellent in hydrogen gas recovery efficiency, as well as a membrane electrode assembly and a polymer electrolyte water electrolyzer obtainable by using it. The polymer electrolyte membrane of the present invention contains a polymer electrolyte, of which the hydrogen gas permeation coefficient under the conditions of a temperature of 80° C. and a relative humidity of 10%, is at most 2.4×10?9 cm3·cm/(s·cm2·cmHg), wherein the membrane resistance value under the conditions of a temperature of 80° C. and a relative humidity of 50%, is from 50 to 150 m?·cm2.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: April 15, 2025
    Assignee: AGC Inc.
    Inventors: Takumi Okuyama, Takeshi Hirai
  • Publication number: 20250115512
    Abstract: The present invention relates to an alkali borosilicate glass, in which a content of total iron in terms of Fe2O3 is 0.03% or more in mol % in terms of oxides, a ratio of three-coordinated boron to a total amount of the three-coordinated boron and four-coordinated boron is 61% or less, the alkali borosilicate glass is substantially free of Se and CoO, when a thickness of the alkali borosilicate glass is converted into 2.0 mm, a solar transmittance Te specified in ISO-9050:2003 is 90% or less, a dominant wavelength Dw measured using a standard C light source specified in JIS Z 8701:1999 is 520 nm or more and 574 nm or less, and an excitation purity Pe measured using the standard C light source specified in JIS Z 8701:1999 is 4.0% or less.
    Type: Application
    Filed: December 18, 2024
    Publication date: April 10, 2025
    Applicant: AGC Inc.
    Inventors: Takato KAJIHARA, Shigeki SAWAMURA
  • Publication number: 20250116802
    Abstract: An optical filter includes a glass substrate having a first main surface and a second main surface opposite each other and including phosphoric acid glass, a first antireflective layer disposed directly or indirectly on the first main surface of the glass substrate, and a resin layer, containing dye, disposed as one or more layers directly or indirectly on the second main surface of the glass substrate, wherein the glass substrate includes a predetermined range of amount of oxides, wherein the dye has a maximum absorption wavelength in the resin layer at a wavelength range of 690 to 800 nm, wherein thickness of the resin layer is 10 ?m or less, wherein the optical filter has all spectral characteristics specified in (a-1) to (a-6), and wherein a Haze value of the optical filter is 2% or less.
    Type: Application
    Filed: December 19, 2024
    Publication date: April 10, 2025
    Applicant: AGC Inc.
    Inventors: Kazuhiko SHIONO, Takuro SHIMADA, Yuichiro ORITA, Takahiro SAKAGAMI, Takashi NAGATA, Katsushi KAMIJYO
  • Publication number: 20250115507
    Abstract: According to the present invention, provided is a heater including a heat generating member being conductive and configured to radiate heat rays by being fed with electric power, a tubular member constituted by a metal and accommodating the heat generating member, and an intermediate member arranged between the heat generating member and the tubular member and constituted by an electrically insulating material, wherein the intermediate member is arranged and/or configured to allow, among the heat rays radiated from the heat generating member, at least light having a wavelength of from 1 ?m to 2 ?m to pass through the intermediate member to reach the tubular member.
    Type: Application
    Filed: December 17, 2024
    Publication date: April 10, 2025
    Applicant: AGC Inc.
    Inventors: Terutaka MAEHARA, Akifumi NIWA, Shuntaro HYODO, Takashi ENOMOTO, Takeshi YAMAZAKI, Yoji DOI, Roger PAULI, Lawrence KEEN
  • Publication number: 20250116920
    Abstract: An electroconductive-film-coated substrate includes a glass substrate and an electroconductive film disposed on one main surface of the glass substrate. The electroconductive film has an inclined portion in a peripheral edge. A distance from a position in the inclined portion where a thickness of the electroconductive film is 10% of a film thickness of a center of the electroconductive film to an edge end of the glass substrate is 3.00 mm or less. A distance from an end of the inclined portion to the edge end of the glass substrate is longer than 0.00 mm.
    Type: Application
    Filed: December 16, 2024
    Publication date: April 10, 2025
    Applicant: AGC Inc.
    Inventors: Sotaro NAKAMURA, Masayoshi MIZOGUCHI, Takeshi TOMIZAWA, Takahira MIYAGI, Ryusuke MORITA
  • Publication number: 20250118942
    Abstract: A side window cap is configured to cover and seal a light emitting element onto a substrate where the light emitting element is mounted. The side window cap has a cross sectional shape of an inverted recess having an upper wall portion, four side wall portions, and a lower opening. One of the four side wall portions is a window made of a transparent material. Three of the four side wall portions and the upper wall portion are made of glass ceramic. The transparent material and the glass ceramic are directly bonded.
    Type: Application
    Filed: December 13, 2024
    Publication date: April 10, 2025
    Applicant: AGC INC.
    Inventors: Nanako NISHIMOTO, Ryota MURAKAMI
  • Publication number: 20250116803
    Abstract: An optical filter includes a glass substrate having a first main surface, a second main surface opposite the first main surface, and an end surface connecting the first and second main surfaces, the glass substrate being a phosphate glass containing an absorbent, and a first antireflection layer disposed directly or indirectly on the first main surface of the glass substrate, wherein the first main surface of the glass substrate is coated with a first inorganic film, and a second inorganic film is provided directly or indirectly on the second main surface of the glass substrate, with the end surface being coated with a third inorganic film, and wherein the first inorganic film is a film that is closest to the glass substrate among films constituting the first antireflection layer, or a film that is different from a film composed of a plurality of films constituting the first antireflection layer.
    Type: Application
    Filed: December 16, 2024
    Publication date: April 10, 2025
    Applicant: AGC Inc.
    Inventors: Kazuhiko SHIONO, Yayoi YAMAMORI, Takahiro SAKAGAMI, Takashi NAGATA, Katsushi KAMIJYO
  • Publication number: 20250115101
    Abstract: A glass diaphragm includes: a glass plate structure; a mounting member fixed to the glass plate structure; a connection member that is attached to the mounting member and is to be fixed to an exciter for vibrating the glass plate structure; and a first adhesive layer and a second adhesive layer, each of the first adhesive layer and the second adhesive layer being disposed between the glass plate structure and the mounting member, in which a material of the first adhesive layer is different from a material of the second adhesive layer.
    Type: Application
    Filed: November 18, 2024
    Publication date: April 10, 2025
    Applicant: AGC Inc.
    Inventors: Kento SAKURAI, Jun AKIYAMA
  • Patent number: 12269769
    Abstract: The present invention relates to a chemically strengthened glass having a thickness t (mm), in which a first-order derivative CSx? of a stress value CSx (MPa) is ?4.7 or larger in a range of CSx?0 in a profile of the stress value CSx (MPa), in which the stress value CSx (MPa) is a function of depth x (?m) from a glass surface, and in which the stress value CSx (MPa) is measured by a scattered light photoelastic stress meter, and a manufacturing method thereof.
    Type: Grant
    Filed: June 7, 2024
    Date of Patent: April 8, 2025
    Assignee: AGC INC.
    Inventors: Kaname Sekiya, Yusuke Fujiwara
  • Patent number: 12271012
    Abstract: A glass for an optical filter, the glass being a phosphate glass including Cu, in which the glass has: an average transmittance of 80% or more at a wavelength of 430 nm to 550 nm; an average transmittance of 2% or less at a wavelength of 800 nm to 950 nm; an average transmittance of 3% or less at a wavelength of 1000 nm to 1200 nm; an average transmittance of 5% or less at a wavelength of 700 nm to 1200 nm; a transmittance of 25% or more at a wavelength of 1550 nm; and a wavelength at which a transmittance is 50% of 615 nm or more in a wavelength range of 600 nm to 800 nm.
    Type: Grant
    Filed: September 30, 2024
    Date of Patent: April 8, 2025
    Assignee: AGC Inc.
    Inventor: Takahiro Sakagami
  • Publication number: 20250110340
    Abstract: A circular glass substrate including first and second main surfaces opposite each other, an edge portion between the first and second main surfaces, and a notch at a part of the edge portion. The glass substrate has a specific gravity of 3.00 or more; a radius r of 75 mm or more; a refractive index nd of 1.800 or more; and a ratio (Tf/Tg) of a fictive temperature Tf (° C.) to a glass transition temperature Tg (° C.) of less than 1.00. In a relationship of an internal transmittance to a wavelength, when converted for a thickness of 10 mm, a shortest wavelength ?70 at which the internal transmittance becomes 70% is 425 nm or less; and a ratio (g/r) of deviation g (mm), of a center of mass (G) relative to a center (P), to the radius r, in a top view, is in a range of 0.05% to 1.2%.
    Type: Application
    Filed: December 13, 2024
    Publication date: April 3, 2025
    Applicant: AGC Inc.
    Inventors: Shigeki SAWAMURA, Naoki Kanno