Patents by Inventor Kentaro Ishizuka

Kentaro Ishizuka 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).

  • Device for detecting an object including a light-sensitive detecting array
    Patent number: 5196689
    Abstract: A device for detecting an object by detecting an infrared ray emitted from a moving object. The device includes a plurality of light receiving elements, each being disposed so as to receive infrared rays at a predetermined directional optical angle, and the position of and distance to the object is detected based on detection results by the respective light receiving elements. The moving speed and acceleration of the object are also detected from detection results by the respective light receiving elements, taking time-varying factors into consideration.
    Type: Grant
    Filed: October 11, 1991
    Date of Patent: March 23, 1993
    Assignee: Pioneer Electronic Corporation
    Inventors: Keizo Sugita, Shunei Saito, Akira Tajiri, Hitoshi Kaneko, Iwao Okamura, Kentaro Ishizuka