Patents by Inventor Mitsuharu Ishi

Mitsuharu Ishi 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).

  • Bar-code reader and bar-code reading method providing display and correction of questionable characters
    Patent number: 6547143
    Abstract: A device and method to read bar-codes in which a ratio of a number of modules is compared to a reference module width character included in a bar-code. The number of modules is rounded up and off based upon the number of modules that includes the error component. When the error amount in the ratio exceeds a permissible value, the character in question is demodulated based on the resulting rounding up or off.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: April 15, 2003
    Assignee: Fujitsu Limited
    Inventors: Norio Koyanagi, Mitsuharu Ishi