Patents by Inventor Yasui Kazuo

Yasui Kazuo 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).

  • Knot retaining implement for necktie or scarf
    Patent number: 4173793
    Abstract: A knot retaining implement for a necktie or scarf comprises a substantially V-shaped retaining portion of wire and a hook portion which extends backwardly from each end of the retaining portion. A chain may be attached to the hook portion for preventing a necktie from swaying untidily.
    Type: Grant
    Filed: March 28, 1978
    Date of Patent: November 13, 1979
    Inventor: Yasui Kazuo