Patents by Inventor Hidekatsu Yasuda

Hidekatsu Yasuda 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 in which the large diameter portion of the first anode is rigidly supported
    Patent number: 4728846
    Abstract: A bipotential electron gun for cathode ray tubes comprising an arrangement of a cathode, a control electrode, and an accelerating electrode, a first anode and a second anode such that the second anode is formed with windows in its large diameter cylindrical portion and the large diameter end portion of the first anode is mounted within the large diameter cylindrical portion and is fixedly supported by an insulating support member that extends through the windows such that the first anode is firmly supported and coaxially mounted between the first anode and the second anode which form the principal lens in a secure manner.
    Type: Grant
    Filed: May 28, 1986
    Date of Patent: March 1, 1988
    Assignee: Sony Corporation
    Inventor: Hidekatsu Yasuda