Patents by Inventor Tomoatsu Ino

Tomoatsu Ino 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).

  • Method of and apparatus for determining an electric wiring state
    Patent number: 5760591
    Abstract: A method of and an apparatus for determining an electric wiring state, having the steps of: feeding at least one pulse voltage signal into one of two lines short-circuited at their two source portions; detecting the pulse voltage signal at two end portions corresponding to the two source portions; and discriminating wiring state between the two source portions and the corresponding two end portions upon a comparison of polarities between the fed pulse voltage signal and the detected signal.
    Type: Grant
    Filed: June 18, 1993
    Date of Patent: June 2, 1998
    Assignee: Shin-Ichiro Matsuda
    Inventors: Shin-ichiro Matsuda, Tomoatsu Ino