Patents by Inventor Naoki Ricardo Okai

Naoki Ricardo Okai 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).

  • Slip-ring arrangement for a rotating electrical machine
    Patent number: 8872406
    Abstract: A slip-ring arrangement of a rotating electrical machine includes a plurality of slip-rings disposed concentrically about an axis of the electrical machine one behind the other in an axial direction, the plurality of slip-rings configured to be self-supporting.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: October 28, 2014
    Assignee: Alstom Renewable Technologies
    Inventors: Alexander Schwery, Naoki Ricardo Okai, Stefan Baumeister
  • SLIP-RING ARRANGEMENT FOR A ROTATING ELECTRICAL MACHINE
    Publication number: 20120200194
    Abstract: A slip-ring arrangement of a rotating electrical machine includes a plurality of slip-rings disposed concentrically about an axis of the electrical machine one behind the other in an axial direction, the plurality of slip-rings configured to be self-supporting.
    Type: Application
    Filed: February 13, 2012
    Publication date: August 9, 2012
    Applicant: ALSTOM HYDRO FRANCE
    Inventors: Alexander Schwery, Naoki Ricardo Okai, Stefan Baumeister