Patents by Inventor Yoshizo Okuda

Yoshizo Okuda 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).

  • Diaper
    Patent number: 3955575
    Abstract: A diaper of tubular knitted form having a pile surface on the outside of the tubular body and a smooth surface on its inside. The upper half portion of the tubular diaper has a larger width than its lower half portion. The diaper is less bulky, has higher water-absorbing properties and feels softer than conventional diapers and is therefore especially suitable for use by growing babies and infants.
    Type: Grant
    Filed: December 13, 1974
    Date of Patent: May 11, 1976
    Inventor: Yoshizo Okuda
  • Diaper cover
    Patent number: D245546
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: August 30, 1977
    Inventor: Yoshizo Okuda