Patents by Inventor Noriyasu Tomiyama

Noriyasu Tomiyama 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).

  • On-vehicle head up display device with double images angularly separated less than a monocular resolving power
    Patent number: 4892386
    Abstract: In an on-vehicle head up display device employing a catopric system for a windshield glass of an automobile to project a display image onto an inner surface of the windshield glass, an optical system for letting a virtual image of the display image of a display means enter the windshield glass is adapted to make an angle formed by light beams of the virtual image entering the windshield glass less than a monocular resolving power. Further, an optical means for correcting parallax of the light beams of the virtual image is provided between the optical system and the windshield glass. Thus, a double image formation and binocular parallax may be eliminated.
    Type: Grant
    Filed: June 2, 1988
    Date of Patent: January 9, 1990
    Assignee: Yazaki Corporation
    Inventors: Yoshiyuki Suzuki, Tatsumi Ohtsuka, Tadashi Iino, Akihisa Kasahara, Noriyasu Tomiyama
  • On-vehicle head up display device with optical means for correcting parallax in a vertical direction
    Patent number: 4787711
    Abstract: In an on-vehicle head up display device employing a catoptric system for a windshield glass of an automobile to project a display image onto an inner surface of the windshield glass, an optical system for letting a virtual image of the display image of a display means enter the windshield glass is adapted to make an angle formed by light beams of the virtual image entering the windshield glass less than a monocular resolving power. Further, an optical means for correcting parallax of the light beams of the virtual image is provided between the optical system and the windshield glass. Thus, a double image formation and binocular parallax may be eliminated.
    Type: Grant
    Filed: September 12, 1986
    Date of Patent: November 29, 1988
    Assignee: Yazaki Corporation
    Inventors: Yoshiyuki Suzuki, Tatsumi Ohtsuka, Tadashi Iino, Akihisa Kasahara, Noriyasu Tomiyama