Patents by Inventor Stephen S. Hata

Stephen S. Hata 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).

  • Uniformly moist wipes
    Patent number: 4853281
    Abstract: Meltblown sheets suitable as wet wipes, containing from about 100 to about 700 weight percent liquid, exhibit liquid concentration stability over long periods of time. Stacks of these sheets maintain substantially equal liquid concentrations from the top to the bottom of the stack notwithstanding evaporation losses through the top of the stack.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: August 1, 1989
    Assignee: Kimberly-Clark Corporation
    Inventors: Maung H. Win, Stephen S. Hata, William A. Abba, James Olszewski
  • Uniformly moist abrasive wipes
    Patent number: 4833003
    Abstract: Layered meltblown abrasive sheets, suitable as wet wipes, exhibit liquid concentration stability over long periods of time. Stacks of these sheets maintain equal liquid concentration from the top to the bottom of the stack notwithstanding evaporation losses through the top of the stack.
    Type: Grant
    Filed: October 15, 1987
    Date of Patent: May 23, 1989
    Assignee: Kimberly-Clark Corporation
    Inventors: Maung H. Win, Stephen S. Hata, William A. Abba, James Olszewski
  • Disposable leakproof catamenial device
    Patent number: 4690681
    Abstract: The invention is generally accomplished by providing a panty-like garment containing an integral menstrual pad. The absorbent pad portion extends from the crotch region up in both the back and the front to a point higher than normal menstrual pads. The pad extends at least up to the area where the crack between the gluteus maximus ends. Further there is an impervious member that is outside of the absorbent pad and greater in area than the absorbent pad.
    Type: Grant
    Filed: January 23, 1986
    Date of Patent: September 1, 1987
    Assignee: Kimberly-Clark Corporation
    Inventors: Susan M. Haunschild, Stephen S. Hata, Shirlee A. Wismer