Patents by Inventor Shuichiro Oku

Shuichiro Oku 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).

  • Hopper apparatus for rod members
    Patent number: 5407053
    Abstract: A hopper apparatus for rod members comprises a hopper for storing filter rods as the rod members, a pair of rod feeders for feeding the filter rods independently into the hopper, and a rotatable hopper drum for taking out the filter rods one by one from the hopper through a discharge port thereof.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: April 18, 1995
    Assignee: Japan Tobacco Inc.
    Inventors: Minoru Suzuki, Shuichiro Oku