Patents by Inventor Setsuya Yoshizaki

Setsuya Yoshizaki 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 devices and image pickup tubes utilized therein
    Patent number: 4068261
    Abstract: The image pickup device comprises an optical system including an objective lens, light beam spliters such as dichroic mirrors and filters, and image pickup tubes for converting incident light into an electric signal. There is provided at least one transparent bias light source disposed between the objective lens and the light beam spliters or between the light beam spliters and the image pickup tubes and comprising a transparent luminescent layer and a pair of transparent electrode layers for applying operating voltage across the luminescent layer. The bias light source can also be built into the image pickup tube.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: January 10, 1978
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventor: Setsuya Yoshizaki