Patents by Inventor Kourou Kitajima

Kourou Kitajima 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).

  • Light emitting semiconductor device having an optical element
    Patent number: 5296724
    Abstract: A light emitting semiconductor device including a light emitting element, an optical element for condensing, collimating or diverging a ray emitted from the light emitting element which is packaged as a single unit with the light emitting element, and a cap molded by a fiber reinforced resin for supporting the light emitting element, the cap having an opening for a light emitting window which is provided with the optical element.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: March 22, 1994
    Assignee: Omron Corporation
    Inventors: Shiro Ogata, Koichi Imanaka, Hiroshi Goto, Yoshinori Ito, Kourou Kitajima
  • Displacement sensor and positioner
    Patent number: 5179287
    Abstract: The invention provides a displacement sensor comprising a light-emitting element for projecting a detection light towards an object in a substantially perpendicular direction, a condensing element for condensing a reflected light from the object, and a position sensitive device with its light-receiving surface disposed in parallel with the axis of the detection light. A positioning apparatus employing the above displacement sensor is also disclosed.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: January 12, 1993
    Assignee: Omron Corporation
    Inventors: Kourou Kitajima, Hiroshi Sekii