Patents by Inventor Nobuaki Sakuma

Nobuaki Sakuma 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).

  • Static-resistant electric initiator
    Patent number: 4220088
    Abstract: A safe static-resistant electric initiator is constructed by clamping the fitting portion of a cup having a bottom with a protruding part of a plug and the open part of a loaded shell corresponding to said plug. The electric initiator comprises an ignition device and a loaded shell having said ignition device at its open part, said ignition device comprising the cup having a bottom which is breakable by the ignition flame of an ignition composition, an ignition composition filled in said cup, the protruding part for supporting said cup and the plug provided with a bridge wire at the portions of the terminal bared parts of two leg wires which pass through the insides of the plug and said protruding part.
    Type: Grant
    Filed: June 20, 1978
    Date of Patent: September 2, 1980
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Michio Kimura, Nobuyuki Izawa, Nobuaki Sakuma