Patents by Inventor Kenji Tsukiuda

Kenji Tsukiuda 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).

  • Water containing explosive cartridge and preparation thereof
    Patent number: 4656948
    Abstract: This invention relates to a water containing explosive cartridge, of which at least one end face is constituted of a star-shaped crimping closure including an inner lid, and a process for producing the same.
    Type: Grant
    Filed: January 7, 1986
    Date of Patent: April 14, 1987
    Assignee: Asahi Engineering Co., Ltd.
    Inventors: Kenji Tsukiuda, Yasushi Sasaki