Patents by Inventor Takahiro Matano

Takahiro Matano 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).

  • Publication number: 20240014357
    Abstract: Provided is a glass that is used in a phosphor-containing wavelength conversion material and from which can be produced a wavelength conversion member less degraded in characteristics of a phosphor owing to firing during production of the wavelength conversion member and having excellent weather resistance. The glass is for use in a wavelength conversion material and contains, in terms of % by mass, 30 to 75% SiO2, 1 to 30% B2O3, over 4 to 20% Al2O3, 0.1 to 10% Li2O, 0 to below 9% Na2O+K2O, and 0 to 10% MgO+CaO+SrO+BaO+ZnO.
    Type: Application
    Filed: September 26, 2023
    Publication date: January 11, 2024
    Inventors: Takahiro MATANO, Tamio ANDO, Yoshihisa TAKAYAMA
  • Publication number: 20230357070
    Abstract: Provided is a crystallized glass, which has a high fracture toughness value, and besides, is excellent in transparency. The crystallized glass includes, in terms of mass%, 40% to 70% of SiO2, 5% to 40% of Al2O3, 2% to 25% of B2O3, 0% to 15% of MgO+ZnO, 0% to 20% of CaO+SrO+BaO, 0% to 8% of P2O5+TiO2+ZrO2, 1% to 20% of Na2O+K2O, and 0% to 6% of Li2O, has a crystallinity of from 1% to 50%, and has an average visible-light transmittance of 50% or more at a thickness of 0.8 mm and a wavelength of from 380 nm to 780 nm.
    Type: Application
    Filed: April 13, 2021
    Publication date: November 9, 2023
    Inventors: Takahiro MATANO, Yuki YOKOTA, Atsushi TANAKA, Yoshihisa TAKAYAMA
  • Patent number: 11804577
    Abstract: Provided is a glass that is used in a phosphor-containing wavelength conversion material and from which can be produced a wavelength conversion member less degraded in characteristics of a phosphor owing to firing during production of the wavelength conversion member and having excellent weather resistance. The glass is for use in a wavelength conversion material and contains, in terms of % by mass, 30 to 75% SiO2, 1 to 30% B2O3, over 4 to 20% Al2O3, 0.1 to 10% Li2O, 0 to below 9% Na2O+K2O, and 0 to 10% MgO+CaO+SrO+BaO+ZnO.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: October 31, 2023
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Takahiro Matano, Tamio Ando, Yoshihisa Takayama
  • Publication number: 20230322613
    Abstract: To provide a glass article suitable for a top plate for a cooker, in which a color tone of a colored layer is not impaired. A glass article is characterized by including a Li2O—Al2O3—SiO2-based crystallized glass sheet having lightness L* of 70 or greater, chromaticity a* of within ±5, and chromaticity b* of within ±5 at a thickness of 3 mm, and a colored layer formed on a back surface of the glass sheet.
    Type: Application
    Filed: September 6, 2021
    Publication date: October 12, 2023
    Inventors: Yuki YOKOTA, Takahiro MATANO, Shohei YOKOYAMA, Tsukasa MATSUBARA
  • Publication number: 20230312403
    Abstract: A crystallized glass contains: from 58 to 70% of SiO2, from 15 to 30% of Al2O3, from 2 to 10% of Li2O, from 0 to 10% of Na2O, from 0 to 10% of K2O, from 0 to 15% of Na2O+K2O, from 0 to 15% of MgO+CaO+SiO+BaO+ZnO, from 0.1 to 6% of SnO2, from 0.5 to 6% of ZrO2, from 0 to 4% of TiO2, and from 0 to 6% of P2O5 in mass %, in which the crystallized glass has a degree of crystallinity of 1 to 95%, and an average visible light transmittance of 50% or greater at a thickness of 0.8 mm and a wavelength of 380 to 780 nm, and a compression stress layer is formed on a surface.
    Type: Application
    Filed: October 7, 2021
    Publication date: October 5, 2023
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Takahiro MATANO, Yuki YOKOTA, Atsushi TANAKA, Tomonori ICHIMARU, Yoshihisa TAKAYAMA, Ken YUKI
  • Publication number: 20220340475
    Abstract: The present invention provides an optical glass that has a high refractive index property and excels in a light transmittance property in the visible range and in resistance to devitrification. The optical glass contains from 3 to 18 mass % of SiO2, from 5 to 11.5 mass % of B2O3, from 0 to 7 mass % of Al2O3, from 0 to 11 mass % of CaO, 1 mass % or less of ZnO, from 7 to 20 mass % of TiO2, from 3 to 38 mass % of Nb2O5, from 27 to 49.8 mass % of La2O3, from 6 to 14 mass % of Gd2O3, from 0 to 5 mass % of Y2O3, less than 6 mass % of Ta2O5, and 0.6 mass % or less of WO3, with a ratio of B2O3/SiO2 being from 1 to 2.
    Type: Application
    Filed: June 26, 2020
    Publication date: October 27, 2022
    Inventors: Satoko KONOSHITA, Takahiro MATANO
  • Publication number: 20220033298
    Abstract: Provided is a Li2O—Al2O3—SiO2-based crystallized glass in which a yellowish tint due to TiO2, Fe2O3 or so on is reduced. The Li2O—Al2O3—SiO2-based crystallized glass contains, in terms of % by mass, 40 to 90% SiO2, 5 to 30% Al2O3, 1 to 10% Li2O, 0 to 20% SnO2, 1 to 20% ZrO2, 0 to 10% MgO, 0 to 10% P2O5, and 0 to below 2% TiO2.
    Type: Application
    Filed: March 18, 2020
    Publication date: February 3, 2022
    Inventors: Yuki YOKOTA, Takahiro MATANO, Takahiro TAKAHASHI, Shin TOJO
  • Publication number: 20210135062
    Abstract: Provided is a glass that is used in a phosphor-containing wavelength conversion material and from which can be produced a wavelength conversion member less degraded in characteristics of a phosphor owing to firing during production of the wavelength conversion member and having excellent weather resistance. The glass is for use in a wavelength conversion material and contains, in terms of % by mass, 30 to 75% SiO2, 1 to 30% B2O3, over 4 to 20% Al2O3, 0.1 to 10% Li2O, 0 to below 9% Na2O+K2O, and 0 to 10% MgO+CaO+SrO+BaO+ZnO.
    Type: Application
    Filed: August 22, 2018
    Publication date: May 6, 2021
    Inventors: Takahiro MATANO, Tamio ANDO, Yoshihisa TAKAYAMA
  • Patent number: 10954362
    Abstract: Provided is a resin composition for three-dimensional modeling that can accurately fabricate a three-dimensional modeled object capable of being matched in coefficient of thermal expansion with surrounding members when used as a component in various devices. The resin composition for three-dimensional modeling contains a curable resin and a glass filler, the glass filler having a coefficient of thermal expansion of 60×10?7/° C. or less at ?40 to 50° C. and compositionally containing 90% by mass or less SiO2.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: March 23, 2021
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Takahiro Matano
  • Patent number: 10329428
    Abstract: Provided is a resin composition for three-dimensional modeling to which inorganic filler particles of a sufficient amount can be added, without damaging transparency. The resin composition for three-dimensional modeling includes a curable resin and inorganic filler particles, in which the inorganic filler particles are light-transmitting particles of which a difference in refractive index nd to the curable resin after curing is ±0.02 or less, and a difference in Abbe number vd to the curable resin after curing is ±10 or less.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: June 25, 2019
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Takahiro Matano, Shunsuke Fujita, Shingo Nakane, Yuji Ishida, Yoshinori Yamazaki
  • Publication number: 20180273729
    Abstract: Provided is a resin composition for three-dimensional modeling that can accurately fabricate a three-dimensional modeled object capable of being matched in coefficient of thermal expansion with surrounding members when used as a component in various devices. The resin composition for three-dimensional modeling contains a curable resin and a glass filler, the glass filler having a coefficient of thermal expansion of 60×10?7/° C. or less at ?40 to 50° C. and compositionally containing 90% by mass or less SiO2.
    Type: Application
    Filed: March 17, 2016
    Publication date: September 27, 2018
    Inventor: Takahiro MATANO
  • Publication number: 20170321056
    Abstract: Provided is a resin composition for three-dimensional modeling to which inorganic filler particles of a sufficient amount can be added, without damaging transparency. The resin composition for three-dimensional modeling includes a curable resin and inorganic filler particles, in which the inorganic filler particles are light-transmitting particles of which a difference in refractive index nd to the curable resin after curing is ±0.02 or less, and a difference in Abbe number vd to the curable resin after curing is ±10 or less.
    Type: Application
    Filed: November 4, 2015
    Publication date: November 9, 2017
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Takahiro MATANO, Shunsuke FUJITA, Shingo NAKANE, Yuji ISHIDA, Yoshinori YAMAZAKI
  • Patent number: 8951926
    Abstract: The invention provides an optical glass for press molding which can satisfy all of the following requirements: (1) it contains no environmentally undesirable components; (2) it can easily achieve a low glass transition point; (3) it has a high refractive index and high dispersion; (4) it can easily provide a glass having an excellent visible light transmittance; and (5) it has excellent resistance to devitrification during preparation of a preform. The optical glass for press molding has a refractive index nd of 1.925 or more, an Abbe's number ?d of 10 to 30, and a glass composition, in % by mass, of 20 to 80% Bi2O3, 10 to 30% B2O3, and 0 to 5.5% GeO2 and is substantially free of lead component, arsenic component, and F component.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: February 10, 2015
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Takahiro Matano, Fumio Sato, Yoko Usui
  • Publication number: 20140338748
    Abstract: Provided is an optical element for a light-concentrating solar power generation device having excellent weather resistance and also excellent thermal shock resistance and crack resistance, a method for producing the same, and a light-concentrating solar power generation device including the optical element. An optical element for a light-concentrating solar power generation device, the optical element being made of a glass material having a compressive stress at a surface thereof.
    Type: Application
    Filed: October 22, 2012
    Publication date: November 20, 2014
    Inventors: Takahiro Matano, Fumio Sato
  • Patent number: 8835334
    Abstract: Provided is an optical glass which can satisfy all of the following requirements: (1) it contains no environmentally undesirable components; (2) it can easily achieve a low glass transition point; (3) it has a high refractive index and high dispersion; (4) it can easily provide a glass having a superior visible light transmittance; and (5) it has superior resistance to devitrification during preparation of a preform. The optical glass has a refractive index nd of 2.0 or more, an Abbe's number ?d of 20 or less, a glass transition point of 450° C. or below, and a glass composition, in % by mass, of 70 to 90% Bi2O2, 4 to 29.9% B2O2, 0.1 to 10% Li2O+Na2O+K2O, and 0 to 2.5% SiO2+Al2O2 and is substantially free of lead component, arsenic component, F component, TeO2, and GeO2.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: September 16, 2014
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Takahiro Matano, Fumio Sato
  • Publication number: 20140144505
    Abstract: Provided are a glass which is used in an optical element for a concentrating photovoltaic power generation apparatus, has excellent weather resistance, and can be easily processed into a complicated shape; an optical element for a concentrating photovoltaic power generation apparatus using the glass; and a concentrating photovoltaic power generation apparatus. The glass used in an optical element for a concentrating photovoltaic power generation apparatus contains, in % by mass, 30 to 80% SiO2, 0 to 40% B2O3, 0 to 20% Al2O3, not less than 0.1% Li2O, and not less than 0.1% ZrO2.
    Type: Application
    Filed: June 21, 2012
    Publication date: May 29, 2014
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Takahiro Matano, Fumio Sato
  • Patent number: 8697589
    Abstract: The invention provides an optical glass for press molding which can satisfy all of the following requirements: (1) it contains no environmentally undesirable components; (2) it can easily achieve a low glass transition point; (3) it has a high refractive index and high dispersion; (4) it can easily provide a glass having an excellent visible light transmittance; and (5) it has excellent resistance to devitrification during preparation of a preform. The optical glass for press molding has a refractive index nd of 1.925 or more, an Abbe's number ?d of 10 to 30, and a glass composition, in % by mass, of 20 to 80% Bi2O3, 10 to 30% B2O3, and 0 to 5.5% GeO2 and is substantially free of lead component, arsenic component, and F component.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: April 15, 2014
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Takahiro Matano, Fumio Sato, Yoko Usui
  • Publication number: 20140045675
    Abstract: The invention provides an optical glass for press molding which can satisfy all of the following requirements: (1) it contains no environmentally undesirable components; (2) it can easily achieve a low glass transition point; (3) it has a high refractive index and high dispersion; (4) it can easily provide a glass having an excellent visible light transmittance; and (5) it has excellent resistance to devitrification during preparation of a preform. The optical glass for press molding has a refractive index nd of 1.925 or more, an Abbe's number ?d of 10 to 30, and a glass composition, in % by mass, of 20 to 80% Bi2O3, 10 to 30% B2O3, and 0 to 5.5% GeO2 and is substantially free of lead component, arsenic component, and F component.
    Type: Application
    Filed: October 17, 2013
    Publication date: February 13, 2014
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Takahiro MATANO, Fumio SATO, Yoko USUI
  • Publication number: 20130090225
    Abstract: Provided is an optical glass which can satisfy all of the following requirements: (1) it contains no environmentally undesirable components; (2) it can easily achieve a low glass transition point; (3) it has a high refractive index and high dispersion; (4) it can easily provide a glass having a superior visible light transmittance; and (5) it has superior resistance to devitrification during preparation of a preform. The optical glass has a refractive index nd of 2.0 or more, an Abbe's number vd of 20 or less, a glass transition point of 450° C. or below, and a glass composition, in % by mass, of 70 to 90% Bi2O2, 4 to 29.9% B2O2, 0.1 to 10% Li2O+Na2O+K2O, and 0 to 2.5% SiO2+Al2O2 and is substantially free of lead component, arsenic component, F component, TeO2, and GeO2.
    Type: Application
    Filed: September 12, 2011
    Publication date: April 11, 2013
    Inventors: Takahiro Matano, Fumio Sato
  • Publication number: 20120065051
    Abstract: The invention provides an optical glass for press molding which can satisfy all of the following requirements: (1) it contains no environmentally undesirable components; (2) it can easily achieve a low glass transition point; (3) it has a high refractive index and high dispersion; (4) it can easily provide a glass having an excellent visible light transmittance; and (5) it has excellent resistance to devitrification during preparation of a preform. The optical glass for press molding has a refractive index nd of 1.925 or more, an Abbe's number ?d of 10 to 30, and a glass composition, in % by mass, of 20 to 80% Bi2O3, 10 to 30% B2O3, and 0 to 5.5% GeO2 and is substantially free of lead component, arsenic component, and F component.
    Type: Application
    Filed: June 14, 2010
    Publication date: March 15, 2012
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Takahiro Matano, Fumio Sato, Yoko Usui