Patents by Inventor Koichi Soneda

Koichi Soneda 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).

  • CRT with implosion-proof band and method for manufacturing the same
    Patent number: 6590331
    Abstract: A vacuum envelope of a cathode ray tube includes a substantially rectangular panel with a skirt portion standing on an outer peripheral edge thereof. A substantially rectangular implosion-proof band made of metal is banded on the outer surface of the skirt portion. The implosion-proof band has a pair of long sides and a pair of short sides, and a yield point of a middle portion of each of the long sides differs from that of a middle portion of each of the short sides.
    Type: Grant
    Filed: June 7, 2000
    Date of Patent: July 8, 2003
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Koichi Soneda, Masayoshi Ishikawa