Patents Assigned to Nippon Sheet Glass Company, Limited
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Patent number: 11773009Abstract: The present disclosure provides a novel glass composition that has a low permittivity and is suitable for mass production. A glass composition provided satisfies, in wt %, for example, 40?SiO2?60, 25?B2O3?45, 0<Al2O3?18, 0<R2O?5, and 0?RO?12, and satisfies at least one of: i) SiO2+B2O3?80 and SiO2+B2O3+Al2O3?99.9; and ii) SiO2+B2O3?78, SiO2+B2O3+Al2O3?99.9, and 0<RO<10. Another glass composition provided includes SiO2, B2O3, Al2O3, R2O, and 3<RO<8 at the same contents as the above, and satisfies SiO2+B2O3?75 and SiO2+B2O3+Al2O3<97, where R2O?Li2O+Na2O+K2O and RO?MgO+CaO+SrO.Type: GrantFiled: August 3, 2022Date of Patent: October 3, 2023Assignees: NIPPON SHEET GLASS COMPANY, LIMITED, UNITIKA LTD., UNITIKA GLASS FIBER CO., LTD.Inventors: Aya Nakamura, Hidetoshi Fukuchi, Junji Kurachi, Riku Sawai, Takaharu Miyazaki, Yoshito Nawa, Kohji Hattori
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Patent number: 11766923Abstract: A glass plate module according to the present invention is a glass plate module to be attached at a position adjacent to a door of a vehicle that can be opened and closed, and the glass plate module includes a glass plate, a window assembly that is fixed to a peripheral edge of the glass plate, and a molding portion that includes a tubular molding portion main body provided with a through hole extending along the window assembly, and is fixed to the window assembly. The molding portion main body is configured to come into contact with a portion of the closed door.Type: GrantFiled: September 14, 2021Date of Patent: September 26, 2023Assignee: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Tsuneaki Sakai, Yoshimitsu Matsushita
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Patent number: 11760684Abstract: The present invention provides a glass composition not requiring a large quantity of rare earth material, producible by a common apparatus for producing a glass, having a high Young's modulus and a large crack initiation load, and suitable for glass fibers etc. A glass composition according to the present invention contains, in mol %: 50 to 65% SiO2; 7.5 to 26% Al2O3; 15 to 30% MgO; 0 to 8% CaO; 0 to 3% B2O3; 0 to 3% Li2O; and 0 to 0.2% Na2O. In this glass composition, a total content of MgO and CaO is in a range of 18 to 35 mol %, and a mol ratio calculated by Al2O3/(MgO+CaO) is less than 1.Type: GrantFiled: October 11, 2017Date of Patent: September 19, 2023Assignee: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Aya Nakamura, Masanori Shojiya
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Publication number: 20230258969Abstract: A display panel according to the present invention includes a display panel and a cover member disposed on the display panel. The cover member includes a glass plate that is chemically strengthened and has a first surface and a second surface in which the depth of the compressive stress layer (dol) is larger than that in the first surface, and an optical layer that is layered on the second surface and faces the outside.Type: ApplicationFiled: June 28, 2021Publication date: August 17, 2023Applicant: Nippon Sheet Glass Company, LimitedInventor: Norihisa HOKARI
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Publication number: 20230258312Abstract: Provided is a illumination device having a sufficiently wide irradiation angle and a uniform light intensity within a predetermined range even when using a light source that emits light similar to light with a small spread angle, such as a laser, or to parallel light. This illumination device includes a light source including at least one light emitting portion; a first optical element that receives light output from the light source and outputs the light while expanding an output angle thereof and a second optical element that receives light output from the first optical element and outputs the light while further expanding an irradiation angle thereof.Type: ApplicationFiled: June 14, 2021Publication date: August 17, 2023Applicant: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Keiji TSUNETOMO, Satoru KUSAKA
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Patent number: 11724573Abstract: A windshield according to the present invention includes a first glass plate that includes a first surface and a second surface, a second glass plate that includes a first surface and a second surface and is arranged such that the first surface of the second glass plate faces the second surface of the first glass plate, and an intermediate film that is sandwiched between the first glass plate and the second glass plate. The first glass plate includes a first end portion and a second end portion that is opposite to the first end portion, and a thickness of the first glass plate decreases from the first end portion toward the second end portion. In the first glass plate, a surface compressive stress on the first end portion side is higher than a surface compressive stress on the second end portion side.Type: GrantFiled: December 26, 2018Date of Patent: August 15, 2023Assignee: NIPPON SHEET GLASS COMPANY, LIMITEDInventor: Satoshi Kanki
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Publication number: 20230250014Abstract: A display panel according to the present invention includes a display panel and a cover member disposed on the display panel. The cover member includes a glass plate having a first surface and a second surface, at least the first surface being chemically strengthened, and an optical layer that is layered on the second surface of the glass plate and faces the outside. In the glass plate, the depth of the compressive stress layer (dol) in the first surface is larger than that in the second surface.Type: ApplicationFiled: June 28, 2021Publication date: August 10, 2023Applicant: Nippon Sheet Glass Company, LimitedInventor: Norihisa HOKARI
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Publication number: 20230236450Abstract: A display panel according to the present invention includes a display panel and a cover member disposed on the display panel. The cover member includes a glass plate that is manufactured using a float process and has a first surface and a second surface in which the concentration of tin oxide is higher than that in the first surface, and an optical layer that is layered on the second surface and faces the outside.Type: ApplicationFiled: June 3, 2021Publication date: July 27, 2023Applicant: Nippon Sheet Glass Company, LimitedInventor: Norihisa HOKARI
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Publication number: 20230227004Abstract: Laminated glass includes: a first glass plate having a rectangular shape, and including a first side and a second side opposing the first side; a second glass plate arranged opposing the first glass plate, and having substantially the same shape as the shape of the first glass plate; and an intermediate film arranged between the first glass plate and the second glass plate, the intermediate film including: a first bus bar extending along an end portion closer to the first side; a second bus bar extending along an end portion closer to the second side; and a plurality of heating lines arranged parallel to each other so as to connect the first bus bar and the second bus bar to each other.Type: ApplicationFiled: March 22, 2023Publication date: July 20, 2023Applicant: Nippon Sheet Glass Company, LimitedInventors: Kazuki CHIBA, Ryohei OGAWA, Hisashi OGAWA
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Patent number: 11695194Abstract: A rear glass according to the invention is for attachment to a lift-up backdoor that closes an opening in a rear portion of a vehicle, and includes a glass plate, a defogger disposed in a vicinity of a center of the glass plate in an up-down direction, and a shared antenna installed on the glass plate upward or downward of the defogger, the shared antenna including a power supply unit, an AM antenna connected to the power supply unit, and an FM antenna connected to the power supply unit, and a relationship between an element length LAM of the AM antenna, a center wavelength ?FM-C corresponding to a reception frequency band of the FM antenna and a wavelength shortening coefficient ? of the glass plate satisfying 0.49×?×?FM-C?LAM?0.67×?×?FM-C.Type: GrantFiled: March 14, 2019Date of Patent: July 4, 2023Assignee: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Tatsumi Tokuda, Ryokichi Doi
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Publication number: 20230176264Abstract: The present invention includes a display panel, and a cover member arranged on the display panel. The cover member includes a glass plate having a first surface and a second surface, an adhesive layer that is layered on the first surface of the glass plate and fixes the glass plate to the display panel, and an optical layer that is layered on the second surface of the glass plate.Type: ApplicationFiled: April 30, 2021Publication date: June 8, 2023Applicant: Nippon Sheet Glass Company, LimitedInventor: Norihisa HOKARI
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Publication number: 20230170523Abstract: The invention is a nonwoven fabric characterized by satisfying 0.25?(L2/V)?10, when an average fiber diameter of all fibers is L (?m) and a volume per m2 is V (cm3). The nonwoven fabric leads to a solid electrolyte-carrying sheet in which solid electrolyte particles are carried between fibers and which can achieve a good balance among thickness reduction, powder falling property of the solid electrolyte particles, and electrical conductivity.Type: ApplicationFiled: April 13, 2021Publication date: June 1, 2023Applicant: Nippon Sheet Glass Company, LimitedInventors: Yuji KATAGIRI, Takahiro OHARA
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Publication number: 20230166584Abstract: The laminated glass includes: an outer glass plate; an inner glass plate; and an interlayer film arranged between the outer glass plate and the inner glass plate, in which the interlayer film includes: a colored shade region; a transparent non-shade region; and a transparent sheet member fitted into a through hole formed over the shade region and the non-shade region, an information acquisition device is arranged so as to oppose the sheet member, and when a thickness of the laminated glass at a central point of the sheet member is defined as H1 and a thickness of the laminated glass at a point that is 400 mm away from an edge portion of the sheet member on a virtual line extending in a horizontal direction through the central point is defined as H2, equation (1) below is satisfied.Type: ApplicationFiled: March 12, 2021Publication date: June 1, 2023Applicant: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Kazuki CHIBA, Hisashi OGAWA, Hisashi ASAOKA
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Patent number: 11661519Abstract: A low-reflection film-coated transparent substrate of the present invention includes a transparent substrate and a low-reflection film formed on at least one principal surface of the transparent substrate. The low-reflection film is a porous film including: fine silica particles being solid and spherical and having an average particle diameter of 80 to 150 nm; and a binder containing silica as a main component, the fine silica particles being bound by the binder. The binder further contains an aluminum compound. The low-reflection film contains as components: 55 to 70 mass % of the fine silica particles; 25 to 40 mass % of the silica of the binder; 0.1 to 1.5 mass % of the aluminum compound in terms of Al2O3; and 0.25 to 3% of an organic component. The low-reflection film has a thickness of 80 to 800 nm. A transmittance gain is 2.Type: GrantFiled: April 19, 2018Date of Patent: May 30, 2023Assignee: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Mizuho Koyo, Tatsuhiro Nakazawa, Mitsuhiro Kawazu
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Patent number: 11654658Abstract: A laminated glass according to the present invention includes: a first glass plate having a rectangular shape, and including a first side and a second side opposing the first side; a second glass plate arranged opposing the first glass plate, and having substantially the same shape as the shape of the first glass plate; an intermediate film arranged between the first glass plate and the second glass plate; a first bus bar extending along an end portion closer to the first side; a second bus bar extending along an end portion closer to the second side; and a plurality of heating lines extending so as to connect the first bus bar and the second bus bar to each other, wherein at least some of the plurality of heating lines are heating lines having different lengths.Type: GrantFiled: May 25, 2017Date of Patent: May 23, 2023Assignee: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Ryohei Ogawa, Kazuki Chiba, Hisashi Ogawa
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Patent number: 11640021Abstract: An optical filter (1a) includes a light-absorbing layer (10). The light-absorbing layer absorbs light in at least a portion of the near-infrared region. When light with a wavelength of 300 nm to 1200 nm is incident on the optical filter (1a) at incident angles of 0°, 30°, and 40°, the optical filter (1a) satisfies given transmittance requirements. IE?1/?2?1 to ?2, IAE?1/?2?1 to ?2, and ISE?1/?2?1 to ?2 defined by the following equations (1) to (3) for two incident angles ?1° and ?2° (?1<?2) selected from 0°, 30°, and 40° satisfy given requirements in a given domain of a wavelength ?.Type: GrantFiled: September 19, 2018Date of Patent: May 2, 2023Assignee: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Tomitaka Takagi, Katsuhide Shimmo
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Patent number: 11634586Abstract: The present invention provides a new glitter pigment suitable for providing high-brightness whitish reflected light. The glitter pigment according to the present invention includes: a flaky substrate 1; and a silicon oxide layer 2 and a titanium oxide layer 3 formed in this order on the flaky substrate 1, wherein in the case where the flaky substrate is the glass flake, the glass flake has a thickness of 284 to 322 nm, the silicon oxide layer has a thickness of 89 to 109 nm, and the titanium oxide layer has a thickness of 51 to 86 nm. In the case where the flaky substrate is the alumina flake, the alumina flake has a thickness of 260 to 280 nm, the silicon oxide layer has a thickness of 79 to 102 nm, and the titanium oxide layer has a thickness of 47 to 87 nm.Type: GrantFiled: April 30, 2021Date of Patent: April 25, 2023Assignee: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Koichiro Nakamura, Masahiro Hioki
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Publication number: 20230121323Abstract: The present invention is a windshield on which an information acquisition device that acquires information from outside of a vehicle by emitting and/or receiving light can be arranged, the windshield including: an outer glass plate; an inner glass plate; an interlayer film arranged between the outer glass plate and the inner glass plate; and a mask layer laminated on at least one of a surface on a vehicle interior side of the outer glass plate and a surface on a vehicle exterior side of the inner glass plate, in which the interlayer film includes a colored shade region, a transparent non-shade region, and a transparent sheet member that is fitted into at least one through hole formed over the shade region and the non-shade region.Type: ApplicationFiled: March 12, 2021Publication date: April 20, 2023Applicant: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Kazuki CHIBA, Hisashi OGAWA, Hisashi ASAOKA
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Patent number: 11630252Abstract: An optical filter (1a) includes a light-absorbing layer (10). The light-absorbing layer absorbs light in at least a portion of the near-infrared region. When light with a wavelength of 300 nm to 1200 nm is incident on the optical filter (1a) at incident angles of 0°, 30°, and 40°, the optical filter (1a) satisfies given transmittance requirements. Nine differences each obtained as a difference between one and another of IE?xR, IE?yG, and IE?zB defined for incident angles ?° of 0°, 30°, and 40° satisfy given requirements, and ranges satisfy given requirements, each range being a difference obtained by subtracting the smallest value of three differences from the largest value of the three differences, the three differences obtained from IE?xR, IE?yG, and IE?zB collectively defined for the same pair selected from the incident angles ?°.Type: GrantFiled: September 19, 2018Date of Patent: April 18, 2023Assignee: NIPPON SHEET GLASS COMPANY, LIMITEDInventors: Tomitaka Takagi, Katsuhide Shimmo
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Publication number: 20230111902Abstract: A windshield according to the present invention includes an outer glass plate, an inner glass plate that faces the outer glass plate, and an intermediate film disposed between the outer glass plate and the inner glass plate, and in at least a partial region of the outer glass plate and the inner glass plate, compressive principal stress on a surface on a vehicle exterior side of the outer glass plate is larger than compressive principal stress on a surface on a vehicle interior side of the inner glass plate.Type: ApplicationFiled: March 29, 2021Publication date: April 13, 2023Applicant: Nippon Sheet Glass Company, LimitedInventors: Takahiro SHIMOMURA, Kenshu ANDO, Hirofumi HOTTA