Patents by Inventor Naoya OGURA

Naoya OGURA 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: 9487433
    Abstract: Disclosed is a high-strength, high-expansion crystallized glass composition that, by being fired at not less than 850° C., can be used at high temperatures at not less than 950° C. The composition is a sealing glass composition substantially free of boron oxide and comprising the following components, in mol %, SiO2: 40-50%, ZnO: 16-30%, BaO: 5-25%, CaO: 0-25%, Al2O3: 0-5%, and RO: not less than 44% (wherein R denotes one or more species of Mg, Ca, Sr, Ba, and Zn).
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: November 8, 2016
    Assignee: NIHON YAMAMURA GLASS CO., LTD.
    Inventors: Kozo Maeda, Yoshitaka Mayumi, Naoya Ogura
  • Publication number: 20150360994
    Abstract: Disclosed is a high-strength, high-expansion crystallized glass composition that, by being fired at not less than 850° C., can be used at high temperatures at not less than 950° C. The composition is a sealing glass composition substantially free of boron oxide and comprising the following components, in mol %, SiO2: 40-50%, ZnO: 16-30%, BaO: 5-25%, CaO: 0-25%, Al2O3: 0-5%, and RO: not less than 44% (wherein R denotes one or more species of Mg, Ca, Sr, Ba, and Zn).
    Type: Application
    Filed: December 23, 2013
    Publication date: December 17, 2015
    Inventors: Kozo MAEDA, Yoshitaka MAYUMI, Naoya OGURA