Patents by Inventor Akira Yamanoi

Akira Yamanoi 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).

  • Absorbent article having an improved non-woven fabric layer
    Patent number: 5318552
    Abstract: An absorbent article comprises as the surface material, a non-woven fabric containing 40 wt. % or more of a conjugate fiber made of a first polyester and a second polyester having a melting temperature of 50.degree. C. or more below that of said first polyester and a height of an endothermic peak of 5% or more of that of the first polyester.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: June 7, 1994
    Assignee: Kao Corporation
    Inventors: Daisuke Shiba, Akira Yamanoi
  • Surface material for sanitary articles
    Patent number: 5078710
    Abstract: A sanitary article comprises an absorbent and a sheet of a surface material to envelop the absorbent, the sheet comprising an opaque, hydrophobic film, having recesses in its land portion, the recesses being formed to have a bottom and side walls, the side walls having a slanting part, the slanting part being provided therein with an opening so that the slanting part having the opening may not be covered with the land portion.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: January 7, 1992
    Assignee: Kao Corporation
    Inventors: Yasunori Suda, Takatoshi Kobayashi, Akira Yamanoi, Tamio Yasuno, Daisuke Shiba
  • Absorbent article
    Patent number: 4851284
    Abstract: An absorbent article comprises a non-woven fabric comprising on a surface area thereof conjugate fibers comprising a first resin and a second resin having a melt flow rate of 10 to 50, the first resin having a higher melting point by at least 100.degree. C. than the second.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: July 25, 1989
    Assignee: Kao Corporation
    Inventors: Akira Yamanoi, Daisuke Shiba