Patents by Inventor Sadaji Murakami

Sadaji Murakami 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).

  • Gas injection device for gas bag having serial closed cells
    Patent number: 5581983
    Abstract: This invention relates to a gas injection device for automatically supplying a flow of gas to a gas bag having serial closed cells to be used, for example, as a cushioning material for packaging operation.
    Type: Grant
    Filed: September 6, 1995
    Date of Patent: December 10, 1996
    Assignee: Shinwa Corporation
    Inventor: Sadaji Murakami