Patents by Inventor Hideshi Matsuzawa

Hideshi Matsuzawa 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).

  • Check digit calculator
    Patent number: 4419572
    Abstract: There is provided a calculator for calculating check digits which are obtained from code numbers according to a modulus 10, modulus 11 or the like check. In accordance with one embodiment of the invention, the desired check digit original numerals are indicated in response to the determination of a code number and weights and the desired check digit is readily obtained from the sum of the check digit original numerals. In accordance with another embodiment, the desired check digit is directly indicated in response to the setting of a code number. In accordance with still another improved embodiment, the desired check digit according to the modulus 10 and that according to the modulus 11 are selectively indicated in response to the setting of a code number.
    Type: Grant
    Filed: October 10, 1980
    Date of Patent: December 6, 1983
    Assignees: Tokyo Keiki Company Ltd., Totec Co. Ltd.
    Inventors: Mutsumi Takahashi, Toshio Uwabe, Toshio Nagase, Shosuke Sato, Hideshi Matsuzawa
  • Check digit calculator
    Patent number: 4272674
    Abstract: A calculator for calculating check digits which are obtained from code numbers according to a modulus 10, modulus 11 or similar check. In accordance with one embodiment of the invention, the desired check digit original numerals are indicated in response to the determination of a code number and weights and the desired check digit is readily obtained from the sum of the check digit original numerals. In accordance with another embodiment, the desired check digit is directly indicated in response to the setting of a code number. In accordance with still another improved embodiment, the desired check digit according to the modulus 10 and that according to the modulus 11 are selectively indicated in response to the setting of a code number.
    Type: Grant
    Filed: October 27, 1978
    Date of Patent: June 9, 1981
    Assignees: Tokyo Keiki Company Ltd., Totec Co. Ltd.
    Inventors: Mutsumi Takahashi, Toshio Uwabe, Toshio Nagase, Shosuke Sato, Hideshi Matsuzawa
  • Optical character reader
    Patent number: D277006
    Type: Grant
    Filed: October 6, 1982
    Date of Patent: January 1, 1985
    Assignee: Tokyo Keiki Company Limited
    Inventors: Mutsumi Takahashi, Shosuke Sato, Hideshi Matsuzawa