Patents by Inventor Taizo Oikado

Taizo Oikado 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).

  • Internal mirror type gas laser tube
    Patent number: 4216438
    Abstract: An internal mirror type gas laser tube having mirrors at the opposite ends thereof supported by hollow flexible metallic members to allow for mirror adjustment. The hollow members include a support pipe, provided outside of the hollow metallic member, the support pipe being covered by a thermocontractive insulating material. The insulating material eliminates electrical shock hazards which are present when the metallic member assumes the high voltage potential utilized to operate the laser.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: August 5, 1980
    Inventors: Fumio Seki, Taizo Oikado
  • Linearly polarizing internal mirror type gas laser tube
    Patent number: 4064466
    Abstract: A gas laser tube includes a metal supporting body installed at one end of the laser tube. A seal casing is secured to the supporting body, and accommodates at least one cylindrical holding body having one end cut to a Brewster angle, and an optical flat plate installed in close contact with the cut surface of the holding body. A reflecting mirror is secured to an end of the seal casing.
    Type: Grant
    Filed: October 19, 1976
    Date of Patent: December 20, 1977
    Assignee: Nippon Electric Company, Ltd.
    Inventors: Fumio Seki, Taizo Oikado, Keiichi Shintaku