Patents by Inventor Yukinari Matubara

Yukinari Matubara 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).

  • Coin selector for bimetal coins
    Patent number: 7073654
    Abstract: A coin selector assembly includes a coin passageway having at least a pair of thickness sensor unit operatively positioned along the coin passageway to provide respective measurements of the thickness of the coin. A comparing unit compares the respective thickness signals with corresponding stored standard values representative of a genuine coin to determine the authenticity of the coin. Additional sensor unit can be positioned along the coin passageway and excited with different frequencies. Thus, a material sensor unit and a diameter sensor unit or a pair of diameter sensor unit can also be utilized.
    Type: Grant
    Filed: March 7, 2003
    Date of Patent: July 11, 2006
    Assignee: Asahi Seiko Co., Ltd.
    Inventors: Yukinari Matubara, Hiroshi Ohtomo
  • Coin selector for bimetal coins
    Publication number: 20030209402
    Abstract: A coin selector assembly includes a coin passageway having at least a pair of thickness sensor unit operatively positioned along the coin passageway to provide respective measurements of the thickness of the coin. A comparing unit compares the respective thickness signals with corresponding stored standard values representative of a genuine coin to determine the authenticity of the coin. Additional sensor unit can be positioned along the coin passageway and excited with different frequencies. Thus, a material sensor unit and a diameter sensor unit or a pair of diameter sensor unit can also be utilized.
    Type: Application
    Filed: March 7, 2003
    Publication date: November 13, 2003
    Inventors: Yukinari Matubara, Hiroshi Ohtomo