Patents by Inventor Takao Saikatsu

Takao Saikatsu 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).

  • Near-infrared ray radiation illuminator and near-infrared ray image pick-up device
    Patent number: 4837478
    Abstract: The invention is concerned with an illuminator to radiate light rays in the near-infrared region, and a near-infrared ray image pick-up device which irradiates the near-infrared light radiated from this illuminator onto an object to be pictured, and captures light reflected from the object for image pick-up. By constructing the illuminator with an electric discharge lamp and a filter which removes the visible region and permit the near-infrared region to pass therethrough out of light rays radiated from this electric discharge lamp, there can be provided a near-infrared ray radiation illuminator having a high efficiency and low deterioration characteristic.
    Type: Grant
    Filed: December 10, 1987
    Date of Patent: June 6, 1989
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yoshinori Anzai, Takao Saikatsu, Masato Saito, Michihiro Tsuchihashi