Patents by Inventor Masayasu Suemitsu

Masayasu Suemitsu 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).

  • Envelope for camera tube
    Patent number: 4249668
    Abstract: An envelope for a camera tube comprising a rectilinear bulb having a stem-sealing portion at one opening end rim thereof is provided with a thick portion at the other opening end thereof, the thick deformed portion is formed by melting the other opening end portion itself, a face plate being hermetically attached to the thick deformed portion by means of an indium ring.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: February 10, 1981
    Assignee: Matsushita Electronics Corporation
    Inventors: Mitsumasa Katayama, Masayasu Suemitsu