Patents by Inventor Hirotsugu NODAKE

Hirotsugu NODAKE 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).

  • CORDIERITE-BASED CERAMIC(S) AND MEMBER FOR A TELESCOPE
    Publication number: 20210347696
    Abstract: A cordierite-based ceramic(s) is provided where a main crystalline phase thereof is a cordierite crystalline phase, a content of Mg is 13.2% by mass or more and 13.8% by mass or less in an MgO equivalent, a content of Al is 26.0% by mass or more and 32.1% by mass or less in an Al2O3 equivalent, a content of Bi is 1.6% by mass or more and 4.6% by mass or less in a Bi2O3 equivalent, a content of B is 1.5% by mass or more and 6.8% by mass or less in a B2O3 equivalent, and a content of Si is 49.4% by mass or more and 51.4% by mass or less in an SiO2 equivalent.
    Type: Application
    Filed: September 20, 2019
    Publication date: November 11, 2021
    Inventors: Hiroshi YOSHIMITSU, Shuzo IWASHITA, Hirotsugu NODAKE