Patents by Inventor Fujio Tajima

Fujio Tajima 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).

  • Web drive apparatus
    Patent number: 4407462
    Abstract: In a web drive apparatus in which information is written into or read out of a web intermittently movable between a web supply reel and a web take-up reel by means of an information exchange station, a web tension control signal to be applied to a motor for the web take-up reel is compensated so as to suppress vibrations of the web which may be caused during the intermittent movement of the web.
    Type: Grant
    Filed: August 5, 1981
    Date of Patent: October 4, 1983
    Assignee: Hitachi, Ltd.
    Inventors: Fujio Tajima, Atsushi Ichikawa, Isao Shimizu