Patents by Inventor Asao Kurousu

Asao Kurousu 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 for manufacturing original disk for recording medium, and stamper manufacturing method
    Publication number: 20040051052
    Abstract: The present invention is directed to a method of manufacturing an original plate used for manufacturing optical disc, which comprises: exposing and developing a photoresist layer provided on a base to form uneven pattern on the photoresist layer; irradiating ultraviolet rays to the photoresist layer where the uneven pattern is formed; and irradiating infrared rays onto the photoresist layer after ultraviolet rays have been irradiated thereto.
    Type: Application
    Filed: September 16, 2003
    Publication date: March 18, 2004
    Inventors: Shingo Imanishi, Asao Kurousu, Mitsuru Toyokawa, Nobuyuki Arakawa
  • 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