Patents by Inventor Toru Sugimura

Toru Sugimura 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).

  • Patent number: 6589632
    Abstract: A liquid-impervious backsheet for body fluids disposal article having upper and lower surfaces made of thermoplastic synthetic resin, the sheet includes a plurality of independent concave zones depressed downward from the lower surface and a smooth zone extending around these concave zones, each of the concave zones being formed in its region except its peripheral edge with at least one micropore.
    Type: Grant
    Filed: February 24, 2000
    Date of Patent: July 8, 2003
    Assignee: Uni-Charm Corporation
    Inventors: Toru Sugimura, Takamitsu Igaue, Shigeo Imai
  • Publication number: 20030091797
    Abstract: A liquid-impervious backsheet for body fluids disposal article having upper and lower surfaces made of thermoplastic synthetic resin, the sheet includes a plurality of independent concave zones depressed downward from the lower surface and a smooth zone extending around these concave zones, each of the concave zones being formed in its region except its peripheral edge with at least one micropore.
    Type: Application
    Filed: December 30, 2002
    Publication date: May 15, 2003
    Applicant: Uni-Charm Corporation
    Inventors: Toru Sugimura, Takamitsu Igaue, Shigeo Imai