Patents by Inventor Kouiti Megumi

Kouiti Megumi 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).

  • Process of preparing single crystals of strontium barium niobate
    Patent number: 4001127
    Abstract: In a process of preparing single crystals of strontium barium niobate of the type wherein melt of a mixture of strontium oxide, barium oxide and niobium pentoxide is prepared and a single crystal of strontium barium niobate is grown from the melt by using a seed crystal, the compositions included in region A or B shown in FIGS. 2 and 3 are used as the ternary compositions of strontium oxide, barium oxide and niobium pentoxide in the melt.
    Type: Grant
    Filed: July 22, 1974
    Date of Patent: January 4, 1977
    Assignee: Agency of Industrial Science & Technology
    Inventors: Kouiti Megumi, Kazuyuki Nagatsuma, Yasutoshi Kashiwada, Yoshio Furuhata