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1.发明公开公开(公告)号：US20240279103A1
公开(公告)日：2024-08-22
申请号：US18652972
申请日：2024-05-02
Applicant: AGC Inc.
Inventor： Takanori FUKUSHI , Mizuki MATSUOKA , Hiroshi KOMATSU , Satoshi KANASUGI
CPC classification number: C03B23/03 , C03C10/00 , C03C10/0027 , C03C10/0054 , C03C21/002
Abstract: The present invention relates to a glass ceramic having a three-dimensional shape including a plurality of round shapes including a minimum round shape having an average curvature radius of 5.0×102 mm or less and a maximum round shape having an average curvature radius of 1.0×103 mm or more, in which the glass ceramic has a sheet thickness t [mm], and a value obtained by dividing a maximum value of retardation [nm] measured by the following measurement method by the sheet thickness t [mm] is 50 [nm/mm] or less, measurement method: retardation is measured using a birefringence measuring device by vertically irradiating one or more points on an arc of each of the round shapes with light having a wavelength of 543 nm.
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公开(公告)号：US20210080778A1
公开(公告)日：2021-03-18
申请号：US16950391
申请日：2020-11-17
Applicant: AGC Inc.
Inventor： Maya HATANO , Satoshi KANASUGI , Masao OZEKI
IPC: G02F1/1335 , G02F1/1333 , C03C15/00 , C03C21/00
Abstract: An antiglare transparent substrate includes a transparent substrate which includes a chemically strengthened glass and has a first main surface and a second main surface. The first main surface includes: a first smooth region having an arithmetic average roughness Ra of 0.05 nm or more and 2 nm or less; and a first rough region having an arithmetic average roughness Ra larger than the arithmetic average roughness Ra of the first smooth region. The second main surface includes, in at least a part of a region facing the first smooth region, a second smooth region having an arithmetic average roughness Ra of 0.05 nm or more and 2 nm or less.
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公开(公告)号：US20230086147A1
公开(公告)日：2023-03-23
申请号：US18057784
申请日：2022-11-22
Applicant: AGC INC.
Inventor： Shusaku AKIBA , Masao OZEKI , Satoshi TAKEDA , Satoshi KANASUGI , Satoshi OGAMI
Abstract: A sensor module includes: a base member; at least one of a single or a plurality of sensors and vibrators arranged on the base member, and a protective member constituted of at least one flat surface or a curved surface, provided so as to cover the at least one of the sensors and the vibrators. A part or whole of the protective member is formed of a strengthened glass and the strengthened glass is a chemically strengthened glass or a physically strengthened glass.
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公开(公告)号：US20190135677A1
公开(公告)日：2019-05-09
申请号：US16184271
申请日：2018-11-08
Applicant: AGC INC.
Inventor： Takanori FUKUSHI , Satoshi KANASUGI , Masao OZEKI
IPC: C03B23/03
Abstract: The present invention relates to a mold including a master mold having a first region master mold molding surface having a shape corresponding to a first region of a molded body, and a second region master mold molding surface having a shape corresponding to a second region of the molded body, and in which the master mold includes: an inner mold having the first region master mold molding surface; an outer mold having an accommodating concave portion capable of accommodating the inner mold therein and the second region master mold molding surface on at least a part of an outer edge of the accommodating concave portion; and a buffer material provided between the inner mold and a bottom surface of the accommodating concave portion, the buffer material being pressed and deformed with relative movement of the inner mold and the outer mold.
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5.发明公开公开(公告)号：US20230202901A1
公开(公告)日：2023-06-29
申请号：US18171509
申请日：2023-02-20
Applicant: AGC Inc.
Inventor： Hiroshi KOMATSU , Takanori FUKUSHI , Satoshi KANASUGI , Hitomi FURUTA , Shiro FUNATSU
CPC classification number: C03B23/03 , C03C10/00 , C03C21/002 , C03C2204/00 , C03B32/02
Abstract: The present invention relates to a glass in which: the glass is a crystallized glass; the glass has a difference log η−log η0 (dPa·s) between a logarithm log η (dPa·s) of bulk viscosity η (dPa·s) and a logarithm log η0 (dPa·s) of local viscosity η0 (dPa·s) of larger than 0 and 1.8 or smaller, in a temperature range in which the logarithm log η0 (dPa·s) of the bulk viscosity η (dPa·s) is 11.4 or larger and 12.7 or smaller.
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Patent Agency Ranking
公开(公告)号：US20220003576A1
公开(公告)日：2022-01-06
申请号：US17476601
申请日：2021-09-16
Applicant: AGC INC.
Inventor： Shusaku AKIBA , Masao OZEKI , Satoshi TAKEDA , Satoshi KANASUGI , Satoshi OGAMI
Abstract: A sensor module includes: a base member; at least one of a single or a plurality of sensors and vibrators arranged on the base member; and a protective member constituted of at least one flat surface or a curved surface, provided so as to cover the at least one of the sensors and the vibrators. A part or whole of the protective member is formed of a strengthened glass and the strengthened glass is a chemically strengthened glass or a physically strengthened glass.
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公开(公告)号：US20190292095A1
公开(公告)日：2019-09-26
申请号：US16361959
申请日：2019-03-22
Applicant: AGC Inc.
Inventor： Takanori FUKUSHI , Satoshi KANASUGI , Toru IKEDA
IPC: C03C15/00 , C03B23/025
Abstract: A glass article including a first main surface, a second main surface, and an end face, in which: the glass article includes an antiglare layer on the first main surface side; the antiglare layer has a glass transition point Tg of equal to or less than a glass transition point Tg0 of the glass article at a center portion in a cross section along a thickness direction; and the first main surface has a protrusion diameter y (μm) that satisfies the relation (1) with respect to a 60° specular gloss (gloss value) x (%) of the first main surface, y>−0.0245x+3.65 (1).
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8.发明申请公开(公告)号：US20190263713A1
公开(公告)日：2019-08-29
申请号：US16386317
申请日：2019-04-17
Applicant: AGC INC.
Inventor： Suguru MURAYAMA , Satoshi KANASUGI , Madoka ONO
Abstract: A glass for chemical strengthening has a Young's modulus E of 70 GPa or more. The glass satisfies X1+X2+X3 being 1760 or less. Here, X1 is a numerical value equivalent to a value [unit: kPa/° C.] obtained by multiplying the Young's modulus E by an average coefficient α of thermal expansion at 50° C. to 350° C., X2 is a numeral value equivalent to a value of a temperature Tf [unit: ° C.] at which a viscosity of the glass reaches 100 MPa·s, and X3 is a numerical value equivalent to a value of a difference [unit: 105 Pa·s] between the viscosity (100 MPa·s) at the Tf and a viscosity θ−10 at a temperature 10° C. higher than the Tf.
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公开(公告)号：US20230234881A1
公开(公告)日：2023-07-27
申请号：US18127309
申请日：2023-03-28
Applicant: AGC Inc.
Inventor： Satoshi KANASUGI , Kazutaka YANAGIHARA , Hiroshi KOMATSU , Suguru TAKAYASHIKI
Abstract: To suppress reduction in rigidity. A cover material has a curvature in a first direction X and a curvature in a second direction Y. The curvature in the first direction X and the curvature in the second direction Y intersect with each other on a plane of the cover material 10. The radius of curvature of the curvature in the first direction X is 60 mm or more and 300 mm or less. The radius of curvature of the curvature in the second direction Y is 1000 mm or more and 14000 mm or less.
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公开(公告)号：US20200290917A1
公开(公告)日：2020-09-17
申请号：US16887058
申请日：2020-05-29
Applicant: AGC Inc
Inventor： Satoshi KANASUGI , Takanori FUKUSHI , Shunji WACHI
IPC: C03B23/03
Abstract: A 3D cover glass, having a polygonal shape in a plan view which corner part may comprise a rounded portion, and containing a central part being flat plane, and curved parts each with a three-dimensional curved surface having a curvature radius of 100 mm or less on peripheries of at least two of the sides of the polygonal shape, wherein the 3D cover glass shows the maximum value of retardation per 1 mm thickness being 16 nm/mm or less when measured by irradiating a light having a wavelength of 543 nm onto the central part orthogonally.
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