Patents by Inventor Fumihide Takeuti

Fumihide Takeuti 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).

  • Image pickup tube devices
    Patent number: 4145722
    Abstract: In an image pickup tube device of the class comprising an image pickup tube including a face plate and a coil assembly surrounding the tube and a bias light source device including a plurality of luminous elements mounted in a hollow circular disc shaped frame, the frame is positioned in coaxial relationship with respect to the image pickup tube device by a recess provided for the frame for receiving the face plate, an annular projection at one end of the coil assembly for receiving the frame, or both.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: March 20, 1979
    Assignee: Hitachi, Ltd.
    Inventors: Fumihide Takeuti, Toru Takigawa, Kenichi Takada