Patents by Inventor Taishin Shimooka

Taishin Shimooka 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).

  • Lead-free low-melting glass
    Publication number: 20030228471
    Abstract: The invention relates to a lead-free, low-melting glass for covering a substrate. This glass contains 0.1-25 wt % of SiO2, 1-50 wt % of B2O3, 1-45 wt % of ZnO, 20-90 wt % of Bi2O3, 0.1-40 wt % of V2O5, 0-5 wt % of Nb2O5, 0-20 wt % of R2O where R is Li, Na or K, and 0-20 wt % of RO where R is Mg, Ca, Sr or Ba. This glass has a thermal expansion coefficient of from 65×10−7/° C. to 101×10−7/° C. within a range of 30-300° C.; and has a softening point of not higher than 630° C.
    Type: Application
    Filed: April 23, 2003
    Publication date: December 11, 2003
    Applicant: Central Glass Company, Limited
    Inventors: Naoya Hayakawa, Taishin Shimooka