Patents by Inventor Zenmon Abe

Zenmon Abe 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).

  • Method of manufacturing triglycine series ferroelectric crystals
    Patent number: 3953503
    Abstract: A method of manufacturing large ferroelectric crystals having desirable uniform characteristics throughout the crystal from heterogeneous ferroelectric crystals in which only natural faces having the lowest surface energy are allowed to grow while preventing other faces from growing, or the heterogeneous ferroelectric crystals are subjected to a heat treatment so that the entire crystal comes to have the desirable characteristics.
    Type: Grant
    Filed: February 2, 1973
    Date of Patent: April 27, 1976
    Assignee: Hitachi, Ltd.
    Inventors: Yoshio Furuhata, Yasuo Kato, Zenmon Abe