Patents by Inventor Shuichi Maezono

Shuichi Maezono 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).

  • Electron gun assembling apparatus and method of assembling electron gun
    Patent number: 5749760
    Abstract: An electron gun assembling apparatus has a cathode driving mechanism (12,13) for moving a cathode (1), a laser displacement gage (14) to measure a height of a surface of the cathode (1) in a non-contact manner at a cathode surface measuring position outside an electron gun assembly (24), an electric micrometer (11) to measure a height of an upper surface of a first electrode (3) in the electron gun assembly (24), and an electric micrometer (8) to measure a height of a lower surface of a second electrode (4) in the electron gun assembly (24).
    Type: Grant
    Filed: July 25, 1996
    Date of Patent: May 12, 1998
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yasuki Kimura, Takashi Shirase, Masamitsu Okamura, Shuichi Maezono