Patents by Inventor Yuka Kurita

Yuka Kurita 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).

  • Body fluid absorbent article
    Patent number: 7847145
    Abstract: The present invention relates to a technique for a body fluid absorbent article including a moving absorbent, capable of using a wider range of the absorbent for absorption and efficiently moving the absorbent. The present invention is characterized in that the absorbent 25 including a body fluid absorption and holding function and a shrinkage function when contacting with a body fluid is provided in a body fluid absorbent portion, and an absorption control layer 40 a liquid impermeable range of which is reduced whenever the body fluid is excreted is provided on the absorbent 25.
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: December 7, 2010
    Assignee: Daio Paper Corporation
    Inventors: Yuka Kurita, Kazunori Nishizawa
  • Absorbent article for body fluids and production method thereof
    Patent number: 7491864
    Abstract: An absorbent article for body fluids aimed at utilizing an entire absorbent member efficiently and having a thinner form, a larger absorption capacity and longer wearability as a whole is provided. The absorbent member 25 has a contraction material 27 which contracts itself on contacting urine passing through a liquid-permeable surface layer provided on the side facing to the body skin and an absorbent material for body fluids 26 which is practically united with the contraction material 27 is arranged on the upper side of a leak proof layer provided on the side farther from the body skin.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: February 17, 2009
    Assignee: DAIO Paper Corporation
    Inventors: Kazunori Nishizawa, Tomotsugu Matsui, Tomohiro Otani, Yuka Kurita
  • Humor absorbent article
    Publication number: 20060116651
    Abstract: The present invention relates to a technique for a body fluid absorbent article including a moving absorbent, capable of using a wider range of the absorbent for absorption and efficiently moving the absorbent. The present invention is characterized in that the absorbent 25 including a body fluid absorption and holding function and a shrinkage function when contacting with a body fluid is provided in a body fluid absorbent portion, and an absorption control layer 40 a liquid impermeable range of which is reduced whenever the body fluid is excreted is provided on the absorbent 25.
    Type: Application
    Filed: March 29, 2004
    Publication date: June 1, 2006
    Inventors: Yuka Kurita, Kazunori Nishizawa
  • Body fluid absorbing article and method of manufacturing the article
    Publication number: 20040127874
    Abstract: The present invention relates to an absorbent article for body fluids aimed at utilizing an entire absorbent member efficiently and having a thinner form, a larger absorption capacity and longer wearability as a whole. The absorbent member 25 comprising a contraction material 27 which contracts itself on contacting urine passing through a liquid-permeable surface layer provided on the side facing to the body skin and an absorbent material for body fluids 26 which is practically united with the contraction material 27 is arranged on the upper side of a leak proof layer provided on the side farther from the body skin.
    Type: Application
    Filed: January 30, 2004
    Publication date: July 1, 2004
    Inventors: Kazunori Nishizawa, Tomotsugu Matsui, Tomohiro Ontani, Yuka Kurita