Patents by Inventor Shozaburo Hayakawa

Shozaburo Hayakawa 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).

  • Gas laser
    Patent number: 4250467
    Abstract: A gas laser is disclosed, in which one end surface of a plasma tube of a gas laser envelope is worked to be perpendicular to the axis of the plasma tube, a cap covers a mirror and the end surface of the plasma tube so as to make the mirror abut against the worked end surface, the cap is fixed at its open end to the plasma tube by frit material, and a bore is formed through the plasma tube which is covered by the cap.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: February 10, 1981
    Assignee: Sony Corporation
    Inventors: Shigeo Kubota, Asao Kurousu, Shozaburo Hayakawa