Patents by Inventor Tsutomu Murota

Tsutomu Murota 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 channel
    Patent number: 6563013
    Abstract: An absorbent article having a channel is disclosed. The absorbent article comprises a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core therebetween. The channel length is at least 10% of the length of the absorbent core. The channel has at least one first portion and at least one second portion being of different compression relative to one another. The first portion extends continuously along at least 30% of the length of the channel.
    Type: Grant
    Filed: July 23, 2001
    Date of Patent: May 13, 2003
    Assignee: The Procter & Gamble Company
    Inventor: Tsutomu Murota