Patents by Inventor Osami Eda

Osami Eda 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).

  • Position measuring apparatus
    Patent number: 5414516
    Abstract: A position measuring apparatus for obtaining position information by processing a first and second sinusoidal signals with the phase difference of 90.degree.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: May 9, 1995
    Assignee: Nikon Corporation
    Inventors: Akihiko Morishita, Osami Eda