Patents by Inventor Tadaaki Shimamura

Tadaaki Shimamura 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).

  • Method for preparing a seat belt buckle mechanism
    Patent number: 4575916
    Abstract: A method for making a buckle mechanism starting with a cylindrical metal blank by forming a circumferential cut-out on the blank, fixing the blank onto a flexible cable, forming a flattened longitudinal groove on opposite sides of the blank by pressing on both sides, and inserting the thus-formed connector into a buckle base.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: March 18, 1986
    Assignee: NSK Warner K.K.
    Inventors: Katsumi Naitoh, Tadaaki Shimamura