Patents by Inventor Susumu Sawada

Susumu Sawada 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).

  • Welding apparatus
    Patent number: 4032387
    Abstract: In welding apparatus of the type comprising a pair of opposed pressing boards, and a heated platen inserted into and retracted from a space between the pressing boards and the surfaces of the articles to be welded together are fused by the heated platen and then welded together by applying a pressure to the articles, there are provided holding mechanisms for holding the article at the opposing surfaces of the pressing boards and a spacer for defining predetermined gaps between the heated platen and the pressing boards.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: June 28, 1977
    Assignee: Mitsubishi Kasei Kogyo Kabushiki Kaisha
    Inventors: Masamichi Sugiyama, Ryuzo Ebina, Minoru Tanaka, Ikuo Sukekawa, Susumu Sawada