Patents by Inventor Yukio Koyama

Yukio Koyama 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).

  • Mirror apparatus for automobile
    Patent number: 4349247
    Abstract: A mirror apparatus for automobile including an objective mirror region having an objective mirror and an ocular mirror region having a planar ocular mirror, wherein: the objective mirror is provided outside the automobile body to face an area of ground surface centering around the vicinity of the corner of the automobile body located opposite to the driver's seat, and the ocular mirror is disposed in a space within the ocular mirror region which has a first aperture for receiving therethrough an image reflected by the objective mirror and a second aperture for transmitting therethrough an image reflected by the ocular mirror to the driver's eyes. The first aperture has a limited size necessary for receiving the image on the objective mirror region reflected on the ocular mirror.
    Type: Grant
    Filed: July 30, 1980
    Date of Patent: September 14, 1982
    Assignees: Mitsubishi Motors Corp., Ichikoh Industries Ltd.
    Inventors: Yukio Koyama, Tsutomu Kondo, Mikio Matsuzaki, Kunio Akizuki