Patents by Inventor Masamichi Tanida

Masamichi Tanida 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: 11236008
    Abstract: The present invention pertains to a glass characterized by: containing 72-82% of Li+, 0-21% of Si4+, and 0-28% of B3+ in terms of cation %; and containing at least 70% and less than 100% of O2? and more than 0% and at most 30% of Cl?, containing at least 94% and less than 100% of O2? and more than 0% and at most 6% of S2?, or containing at least 64% and less than 100% of O2?, more than 0% and at most 30% of Cl?, and more than 0% and at most 6% of S2?, in terms of anion %.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: February 1, 2022
    Assignee: AGC Inc.
    Inventors: Nanae Ishioka, Masamichi Tanida
  • Patent number: 10865134
    Abstract: A wavelength-selective transmissive glass has a light transmittance Tmore than 315 nm and 400 nm or less at a wavelength of more than 315 nm and 400 nm or less represented by the formula shown below of 1% or more in terms of a plate thickness of 6 mm and a light transmittance T315 nm or less at a wavelength of 315 nm or less represented by the formula shown below of 60% or less in terms of a plate thickness of 6 mm. Ak is a weighting factor at a wavelength k (nm) for calculating T (light transmittance) defined in ISO-9050:2003, and Tk is a transmittance at the wavelength k (nm) in terms of a plate thickness of 6 mm: Tmore than 315 nm and 400 nm or less=(?k=more than 315400Ak×Tk)/(?k=more than 315400Ak) T315 nm or less=(?k=300315Ak×Tk)/(?k=300315Ak).
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: December 15, 2020
    Assignees: AGC Inc., TSUBOTA LABORATORY, INC.
    Inventors: Kensuke Nagai, Tetsuya Nakashima, Yutaka Kuroiwa, Hiroyuki Hijiya, Masamichi Tanida, Akio Koike, Manabu Nishizawa, Kazuo Tsubota, Toshihide Kurihara, Hidemasa Torii
  • Patent number: 10562805
    Abstract: A sintered formed body containing a glass in which undesired coloring in a blackish color, incomplete sintering, a lack of strength, and formation of bubbles are suppressed, and an article provided with the same are provided. Provided are a sintered formed body and an article provided with the same, the sintered formed body consisting of a sintered body containing a glass, and having a thick part with a thickness of 60 ?m or more, in which a carbon content from a position of a surface of the thick part to a position at a depth of at least 30 ?m from the surface of the thick part is 0.7 to 15 mass ppm.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: February 18, 2020
    Assignee: AGC Inc.
    Inventors: Yu Hanawa, Masamichi Tanida
  • Publication number: 20190177207
    Abstract: The present invention pertains to a glass characterized by: containing 72-82% of Li+, 0-21% of Si4+, and 0-28% of B3+ in terms of cation %; and containing at least 70% and less than 100% of O2? and more than 0% and at most 30% of Cl?, containing at least 94% and less than 100% of O2? and more than 0% and at most 6% of S2?, or containing at least 64% and less than 100% of O2?, more than 0% and at most 30% of Cl?, and more than 0% and at most 6% of S2?, in terms of anion %.
    Type: Application
    Filed: February 14, 2019
    Publication date: June 13, 2019
    Applicant: AGC Inc.
    Inventors: Nanae Ishioka, Masamichi Tanida
  • Publication number: 20180297888
    Abstract: A wavelength-selective transmissive glass has a light transmittance Tmore than 315 nm and 400 nm or less at a wavelength of more than 315 nm and 400 nm or less represented by the formula shown below of 1% or more in terms of a plate thickness of 6 mm and a light transmittance T315 nm or less at a wavelength of 315 nm or less represented by the formula shown below of 60% or less in terms of a plate thickness of 6 mm. Ak is a weighting factor at a wavelength k (nm) for calculating T (light transmittance) defined in ISO-9050:2003, and Tk is a transmittance at the wavelength k (nm) in terms of a plate thickness of 6 mm: Tmore than 315 nm and 400 nm or less=(?k=more than 315400 Ak×Tk)/(?k=more than 315400 Ak) T315 nm or less=(?k=300315 Ak×Tk)/(?k=300315 Ak).
    Type: Application
    Filed: June 1, 2018
    Publication date: October 18, 2018
    Applicants: ASAHI GLASS COMPANY, LIMITED, TSUBOTA LABORATORY, INC.
    Inventors: Kensuke NAGAI, Tetsuya NAKASHIMA, Yutaka KUROIWA, Hiroyuki HIJIYA, Masamichi TANIDA, AKIO KOIKE, Manabu NISHIZAWA, Kazuo TSUBOTA, Toshihide KURIHARA, Hidemasa TORII
  • Publication number: 20180118610
    Abstract: A sintered formed body containing a glass in which undesired coloring in a blackish color, incomplete sintering, a lack of strength, and formation of bubbles are suppressed, and an article provided with the same are provided. Provided are a sintered formed body and an article provided with the same, the sintered formed body consisting of a sintered body containing a glass, and having a thick part with a thickness of 60 ?m or more, in which a carbon content from a position of a surface of the thick part to a position at a depth of at least 30 ?m from the surface of the thick part is 0.7 to 15 mass ppm.
    Type: Application
    Filed: December 22, 2017
    Publication date: May 3, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Yu HANAWA, Masamichi TANIDA
  • Patent number: 9718726
    Abstract: A glass ceramic substrate includes: an inner layer part having a first thermal expansion coefficient; and a surface layer part having a second thermal expansion coefficient smaller than the first thermal expansion coefficient. The inner layer part contains a first glass matrix and flat alumina particles. The flat alumina particles are dispersed in the glass matrix in a direction in which individual thickness directions are substantially perpendicular to a surface direction of one of main surfaces of the inner layer part. Further, a mean aspect ratio of the flat alumina particles is 3 or more in one of cross sections along the thickness directions of the flat alumina particles out of cross sections of the inner layer part.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: August 1, 2017
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventors: Seigo Ohta, Masamichi Tanida, Hideki Numakura, Qing Li
  • Publication number: 20160075592
    Abstract: There are provided a glass composition suitable for an optical conversion member containing phosphor particles low in heat resistance, an optical conversion member using the glass composition, and an illumination light source using the optical conversion member. A glass composition comprising, in mol % based on oxides, 5 to 35% of Bi2O3, 22 to 80% of B2O3, 10 to 48% of ZnO, and 0 to 4% of Al2O3, and not substantially containing SiO2, wherein a total amount of the Bi2O3 and the ZnO being 15% or more and less than 70%, an optical conversion member using the glass composition, an illumination light source using the optical conversion member, and a liquid crystal display device using the illumination light source are provided.
    Type: Application
    Filed: November 20, 2015
    Publication date: March 17, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Tatsuo NAGASHIMA, Masamichi TANIDA, Syuji MATSUMOTO, Tomoharu HASEGAWA
  • Patent number: 9209424
    Abstract: A laminated substrate for an organic LED element includes a translucent substrate, a scattering layer including glass and a solid scattering material provided on the translucent substrate and having a thickness of 30 ?m or less, and an electrode provided on the scattering layer, and no covering layer including glass is provided between the scattering layer and the electrode.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: December 8, 2015
    Assignee: Asahi Glass Company, Limited
    Inventors: Nobuhiro Nakamura, Naoya Wada, Masamichi Tanida
  • Patent number: 9175834
    Abstract: To provide a glass ceramic body, whereby light which transmits through the substrate and leaks (i.e. emits) out of the incident direction is reduced, and the number of voids at the surface of the substrate and in the inside of the substrate is low, A glass ceramic body 10 comprising a glass matrix 11 and flat fillers 12 dispersed therein, wherein the flat fillers 12 are dispersed in the glass matrix 11 so that their individual thickness directions would be substantially in the same direction; and in a cross-section along the thickness direction of the flat filler 12 in the glass matrix 11, the occupation area of the flat fillers 12 having a length in their flat direction of from 0.5 to 20 ?m and a length in their thickness direction of from 0.02 to 0.25 ?m per unit area of the cross-section is from 30 to 48%.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: November 3, 2015
    Assignee: Asahi Glass Company, Limited
    Inventors: Seigo Ohta, Masamichi Tanida
  • Publication number: 20150232375
    Abstract: A glass ceramic substrate includes: an inner layer part having a first thermal expansion coefficient; and a surface layer part having a second thermal expansion coefficient smaller than the first thermal expansion coefficient. The inner layer part contains a first glass matrix and flat alumina particles. The flat alumina particles are dispersed in the glass matrix in a direction in which individual thickness directions are substantially perpendicular to a surface direction of one of main surfaces of the inner layer part. Further, a mean aspect ratio of the flat alumina particles is 3 or more in one of cross sections along the thickness directions of the flat alumina particles out of cross sections of the inner layer part.
    Type: Application
    Filed: May 7, 2015
    Publication date: August 20, 2015
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Seigo OHTA, Masamichi Tanida, Hideki Numakura, Qing Li
  • Patent number: 9024352
    Abstract: To provide a glass ceramic body wherein the deterioration of the reflectance due to black coloration is suppressed, and the unevenness of the firing shrinkage is suppressed. A glass ceramic body comprising a glass matrix and alumina particles dispersed therein, wherein the glass matrix is not crystallized, a ceramic part composed of the dispersed alumina particles has an ?-alumina crystal structure and a crystal structure other than the ?-alumina crystal structure.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: May 5, 2015
    Assignee: Asahi Glass Company, Limited
    Inventors: Seigo Ohta, Masamichi Tanida
  • Publication number: 20150010721
    Abstract: There are provided a glass ceramic body having a sufficiently high strength and having a high degree of flexibility in shape which can correspond to a three-dimensional shape, and a layered body having the glass ceramic body. In a glass ceramic body in which flat alumina particles are dispersed in a glass matrix constituted of a glass with a crystallinity of 25% or less, a total cross-sectional area of the flat alumina particles, having a cross section with a thickness of 0.2 ?m or more, a maximum diameter of 8 ?m or less, and an aspect ratio in a range of 3 to 18 in one of cross sections along the thickness directions of the flat alumina particles in the glass ceramic body, is 20% or more relative to a total area of the cross section, and an open porosity is 5% or less.
    Type: Application
    Filed: September 9, 2014
    Publication date: January 8, 2015
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masamichi TANIDA, Seigo OHTA, Hideki NUMAKURA
  • Publication number: 20140217390
    Abstract: A laminated substrate for an organic LED element includes a translucent substrate, a scattering layer including glass and a solid scattering material provided on the translucent substrate and having a thickness of 30 ?m or less, and an electrode provided on the scattering layer, and no covering layer including glass is provided between the scattering layer and the electrode.
    Type: Application
    Filed: April 11, 2014
    Publication date: August 7, 2014
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Nobuhiro NAKAMURA, Naoya Wada, Masamichi Tanida
  • Publication number: 20140191223
    Abstract: Glass for a scattering layer of an organic LED includes, as represented by mol percentage based on the following oxides, 26% to 43% of B2O3, 30% to 37% of ZnO, 17% to 23% of Bi2O3, 2% to 21% of SiO2, and 0 to 2% of P2O5, and a total amount of B2O3-content and ZnO-content is 78% or less.
    Type: Application
    Filed: March 13, 2014
    Publication date: July 10, 2014
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Naoya WADA, Masamichi TANIDA
  • Publication number: 20140177241
    Abstract: To provide a glass ceramic body wherein the deterioration of the reflectance due to black coloration is suppressed, and the unevenness of the firing shrinkage is suppressed. A glass ceramic body comprising a glass matrix and alumina particles dispersed therein, wherein the glass matrix is not crystallized, a ceramic part composed of the dispersed alumina particles has an ?-alumina crystal structure and a crystal structure other than the ?-alumina crystal structure.
    Type: Application
    Filed: February 10, 2014
    Publication date: June 26, 2014
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Seigo Ohta, Masamichi Tanida
  • Publication number: 20140153262
    Abstract: To provide a glass ceramic body, whereby light which transmits through the substrate and leaks (i.e. emits) out of the incident direction is reduced, and the number of voids at the surface of the substrate and in the inside of the substrate is low, A glass ceramic body 10 comprising a glass matrix 11 and flat fillers 12 dispersed therein, wherein the flat fillers 12 are dispersed in the glass matrix 11 so that their individual thickness directions would be substantially in the same direction; and in a cross-section along the thickness direction of the flat filler 12 in the glass matrix 11, the occupation area of the flat fillers 12 having a length in their flat direction of from 0.5 to 20 ?m and a length in their thickness direction of from 0.02 to 0.25 ?m per unit area of the cross-section is from 30 to 48%.
    Type: Application
    Filed: February 10, 2014
    Publication date: June 5, 2014
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Seigo OHTA, Masamichi TANIDA
  • Patent number: 8670182
    Abstract: A glass composition and a light extracting member using the same is provided, where the glass composition does not substantially contain a lead oxide and an alkali metal oxide and has a glass transition temperature of 530° C. or less and acid resistance property. An alkali-free cover glass composition is also provided which does not substantially contain a lead oxide and an alkali metal oxide; has a refractive index (nd) of 1.7 to 2.3; has a glass transition temperature of 530° C. or less; has a dissolution depth of less than 1.3 ?m as measured by an acid dipping weight loss measurement method; and contains 8 to 25% of Nb2O5 in terms of mol % on the basis of an oxide thereof.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: March 11, 2014
    Assignee: Asahi Glass Company, Limited
    Inventors: Masamichi Tanida, Naoya Wada
  • Publication number: 20140048790
    Abstract: An organic LED element includes a transparent substrate, a light scattering layer, a first electrode, an organic light emitting layer, and a second electrode. The light scattering layer includes a base material made of glass, and scattering substances dispersed in the base material. The light scattering layer has a refractive index [N?] greater than a refractive index [N?] of the transparent substrate. First and second layers made of a material other than molten glass are arranged between the light scattering layer and the first electrode. A refractive index N1 of the first layer is greater than [N?], and a refractive index N2 of the second layer is greater than each of [N?], [N?], and N1.
    Type: Application
    Filed: October 24, 2013
    Publication date: February 20, 2014
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masamichi TANIDA, Nao Ishibashi, Nobuhiro Nakamura
  • Publication number: 20140021460
    Abstract: An organic LED element includes a transparent substrate; a light scattering layer formed on the transparent substrate; a transparent first electrode formed on the light scattering layer; an organic light emitting layer formed on the first electrode; and a second electrode formed on the organic light emitting layer, wherein the light scattering layer includes a base material made of glass, and a plurality of scattering substances dispersed in the base material, and wherein a coating layer, which is not a molten glass, is provided between the light scattering layer and the first electrode.
    Type: Application
    Filed: September 26, 2013
    Publication date: January 23, 2014
    Applicants: AGC Glass Europe SA, ASAHI GLASS COMPANY, LIMITED
    Inventors: Masamichi TANIDA, Nobuhiro Nakamura, Naoya Wada, Yumiko Aoki, Benoit Domercq