Patents by Inventor Sensaku Ikeda

Sensaku Ikeda 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).

  • Patent number: 4253061
    Abstract: In a high voltage or current detector of the type utilizing an insulating tube, polarized light is directed to a photoelectric element mounted on the upper end or contained in the insulating tube so as to modulate the polarized light in accordance with the voltage or current to be measured. The modulated light is directed to a photosensitive element on the lower end of the tube for producing an electric signal which is applied to a meter for displaying the voltage or current.
    Type: Grant
    Filed: November 16, 1978
    Date of Patent: February 24, 1981
    Assignees: Goro Eto, Hideo Ohno
    Inventors: Toshiharu Ono, Sensaku Ikeda, Hideo Ohno