Patents by Inventor Kazushi Hatanaka

Kazushi Hatanaka 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).

  • Ink trough apparatus for a printing press
    Patent number: 5722324
    Abstract: An ink trough for a printing press is formed between two rollers and two side members on opposite ends of the rollers. The rollers can be operated independently for ink removal and cleaning purposes.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: March 3, 1998
    Assignee: Technoroll Co., Ltd.
    Inventors: Hiroshi Nishiwaki, Toshiharu Fujiwara, Kazushi Hatanaka, Nobuyuki Baba