Patents by Inventor Kenichi Zentani

Kenichi Zentani 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).

  • Cigarette inspection device
    Patent number: 6776027
    Abstract: A cigarette inspection apparatus is provided, which is capable of measuring ventilation resistances of a large number of filter cigarettes easily and accurately and which includes an inspection drum (12) provided with part of an air-introducing unit for introducing air into a filter cigarette (C) from a non-filter side end face thereof, a measurement section (13) provided with the rest of the air-introducing unit, pressure transducers (17, 18) for detecting inlet side and outlet side air pressures of the cigarette, and a data processor (31) for determining the ventilation resistance of the cigarette based on a difference between the air pressures.
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: August 17, 2004
    Assignee: Japan Tobacco Inc.
    Inventors: Kenichi Zentani, Fumio Kubo
  • Cigarette inspection device
    Publication number: 20030172719
    Abstract: A cigarette inspection apparatus is provided, which is capable of measuring ventilation resistances of a large number of filter cigarettes easily and accurately and which includes an inspection drum (12) provided with part of an air-introducing unit for introducing air into a filter cigarette (C) from a non-filter side end face thereof, a measurement section (13) provided with the rest of the air-introducing unit, pressure transducers (17, 18) for detecting inlet side and outlet side air pressures of the cigarette, and a data processor (31) for determining the ventilation resistance of the cigarette based on a difference between the air pressures.
    Type: Application
    Filed: February 14, 2003
    Publication date: September 18, 2003
    Inventors: Kenichi Zentani, Fumio Kubo