Patents by Inventor Mitsuyoshi Okura

Mitsuyoshi Okura 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).

  • Projection type illuminating device
    Patent number: 6623124
    Abstract: To provide a projection type illuminating device which can clearly form a silhouette, a projected figure or the like at a projecting position by a lighted electric lamp, and is safely used without damaging an eye even when the light accidentally enters the eye of a person.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: September 23, 2003
    Assignee: Hal Corporation
    Inventor: Mitsuyoshi Okura
  • Projection type illuminating device
    Publication number: 20010043313
    Abstract: To provide a projection type illuminating device which can clearly form a silhouette, a projected figure or the like at a projecting position by a lighted electric lamp, and is safely used without damaging an eye even when the light accidentally enters the eye of a person.
    Type: Application
    Filed: February 20, 2001
    Publication date: November 22, 2001
    Applicant: HAL CORPORATION
    Inventor: Mitsuyoshi Okura