Patents by Inventor Katsuhiro Tsuchida

Katsuhiro Tsuchida 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).

  • Method of and system for issuing cards
    Patent number: 4912310
    Abstract: A method of issuing cards by using a card issuing machine including a memory having stored therein an initial secret code, a card reader and a keyboard. Checking whether a secret code keyed in matches the initial secret code stored in the memory; storing in a memory a code keyed in for associating a first card with the card issuing machine and recording the associating keyed-in code in the first card by the card reader to issue the first card when the two secret codes are found to match; issuing a new card upon confirming a keyed-in first secret code of the first card; and issuing another new card upon confirming a secret code on the new card issued.
    Type: Grant
    Filed: February 10, 1988
    Date of Patent: March 27, 1990
    Inventors: Yoshitaka Uemura, Hiroyuki Ito, Katsuhiro Tsuchida, Hisato Takahashi