Patents by Inventor Kouzaburo Yano

Kouzaburo Yano 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).

  • Optical harmonic generator
    Patent number: 5073725
    Abstract: A metal surface plasmon is excited in a multi-layered film composed of thin metal films and a thin dielectric film, by light having a propagation constant larger than that of the incident light emitted from an optical component such as a prism. Due to an extremely strong alternating electric field produced by the electric field enhancement effect of the metal surface plasmon, a harmonic is generated from a nonlinear optical crystal.
    Type: Grant
    Filed: December 11, 1990
    Date of Patent: December 17, 1991
    Assignee: Sharp Corporation
    Inventors: Toshihiko Takano, Yoshio Okada, Yoshio Inoue, Kouzaburo Yano, Terutaka Tokumaru