Patents by Inventor Masayasu Nagashima

Masayasu Nagashima 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 and apparatus for transporting an article in vacuum
    Patent number: 4690591
    Abstract: A method for transporting an article disposed on an upper surface of a stage in a vacuum. Gas is ejected through a plurality of inclined nozzles formed in the stage so that the article is transported in the direction of inclination of the nozzles.
    Type: Grant
    Filed: May 27, 1983
    Date of Patent: September 1, 1987
    Assignee: Fujitsu Limited
    Inventors: Masayasu Nagashima, Nobuo Iijima