Patents by Inventor Takeo Toyoda

Takeo Toyoda 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).

  • Vacuum circuit breaker
    Publication number: 20020134757
    Abstract: A vacuum circuit breaker including a metal tank containing insulation gas with a branched portion connecting a first bushing containing a vacuum valve, and another branched portion connecting a second bushing containing a first conductor, and a branched conductor in the metal tank connecting the vacuum valve and the first conductor.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 26, 2002
    Inventors: Shigeki Nishizumi, Takeo Toyoda, Toru Kamikawaji, Isao Hioki