Patents by Inventor Norio Natsugari

Norio Natsugari 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).

  • Glass for press molding, and lens
    Patent number: 7098158
    Abstract: A glass for press molding, containing substantially no lead, consisting substantially of, as represented by mol % based on oxides: Bi2O3 25 to 70%, B2O3 + SiO2 ?5 to 75%, CeO2 ?0 to 10%, Al2O3 ?0 to 20%, Ga2O3 ?0 to 20%, Al2O3 + Ga2O3 ?0 to 30%, and ZnO + TeO2 + BaO + WO3 ?0 to 40%, and having a refractive index of at least 1.9 to a light having a wavelength of 0.8 ?m.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: August 29, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Norio Natsugari, Koichi Murata
  • Glass for press molding, and lens
    Publication number: 20030191006
    Abstract: A glass for press molding, containing substantially no lead, consisting substantially of, as represented by mol % based on oxides: 1 Bi2O3 25 to 70%, B2O3 + SiO2  5 to 75%, CeO2  0 to 10%, Al2O3  0 to 20%, Ga2O3  0 to 20%, Al2O3 + Ga2O3  0 to 30%, and ZnO + TeO2 + BaO + WO3  0 to 40%,
    Type: Application
    Filed: April 22, 2003
    Publication date: October 9, 2003
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Norio Natsugari, Koichi Murata