Patents by Inventor Toshirou Tukada

Toshirou Tukada 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).

  • Code reader
    Patent number: 4916297
    Abstract: A code reader comprising a scanner portion including an illuminating light source for illuminating a code in which all data are separated into at least two parts. A first partial code pattern and a second partial code pattern and a plurality of discriminating elements are arranged as such that the first and the second partial code patterns can be distinguished. A light receiving portion for receiving a reflection light reflected by the code, and a binary processing portion for binating an output signal of the light receiving portion; and a decode portion for decoding the binary signal for each partial code data based on an output of the binary processing portion.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: April 10, 1990
    Assignee: Tokyo Kogaku Kikai Kabushiki Kaisha
    Inventors: Toshirou Tukada, Koichi Kameyama