Patents by Inventor John Nishizawa

John Nishizawa 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).

  • Rotating electric connector assembly
    Patent number: 8287284
    Abstract: An improved rotating electric connector assembly includes a rotatable housing assembly having separate rotatable electrical contacts housed within a non-conductive cylindrical housing about a longitudinal axis. Embodiments of the rotatable housing assembly provide electrical connectivity between a two prong plug or a three prong plug on one rotatable housing assembly end and a corresponding two prong receptacle or three prong receptacle on the other rotatable housing assembly end.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: October 16, 2012
    Inventor: John Nishizawa
  • Rotating electric connector assembly
    Patent number: 7819665
    Abstract: A rotating electric connection socket assembly includes a rotatable housing assembly having a plurality of non-conductive cylindrical housings nested about a longitudinal axis. Separate rotatable electrical contacts housed within the rotatable housing assembly provide electrical connectivity between a three prong plug on one rotatable housing assembly end and a three prong receptacle on the other rotatable housing assembly end.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: October 26, 2010
    Inventor: John Nishizawa