Patents by Inventor Tsutomu Machida

Tsutomu Machida 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).

  • Vehicle lamp
    Patent number: 4862330
    Abstract: A stop lamp for a vehicle, such as a stop lamp adapted for mounting on a rear spoiler of an automobile, having an improved efficiency of light utilization. The lamp includes a lamp body, a front lens, and a plural number of light-emitting diodes juxtaposed at predetermined intervals. Light control parts are formed in the inner wall of the front lens for directing the light output from the light-emitting diodes in predetermined directions. Each light control part is composed of nine prisms arranged in a 3.times.3 matrix. The central one of the prisms faces a respective one of the light-emitting diodes.
    Type: Grant
    Filed: September 21, 1988
    Date of Patent: August 29, 1989
    Assignee: Koito Manufacturing Co., Ltd.
    Inventors: Tsutomu Machida, Toshiyasu Mochizuki, Masaru Sasaki