Patents by Inventor Kaiyou Nakajima

Kaiyou Nakajima 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
    Patent number: 9700464
    Abstract: An absorbent article which has in a longitudinal direction from the front side to the rear side a front waist region, a rear waist region and a crotch region located between the front and rear waist regions. An absorbent sheet is provided between a topsheet and a second sheet which includes at least one liquid-pervious sheet having sandwiched therein an absorbent polymer that is present between a topsheet and a second sheet. The second sheet has a higher liquid diffusibility than the topsheet, the topsheet, a backsheet, an absorption body and the second sheet are disposed across the front waist region, the crotch region and the rear waist region, and the absorbent sheet is disposed in at least a part of the rear waist region.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: July 11, 2017
    Assignee: Unicharm Corporation
    Inventors: Haruki Toda, Kaiyou Nakajima
  • ABSORBENT ARTICLE
    Publication number: 20130245589
    Abstract: An absorbent article which has in a longitudinal direction from the front side to the rear side a front waist region, a rear waist region and a crotch region located between the front and rear waist regions. An absorbent sheet is provided between a topsheet and a second sheet which includes at least one liquid-pervious sheet having sandwiched therein an absorbent polymer that is present between a topsheet and a second sheet. The second sheet has a higher liquid diffusibility than the topsheet, the topsheet, a backsheet, an absorption body and the second sheet are disposed across the front waist region, the crotch region and the rear waist region, and the absorbent sheet is disposed in at least a part of the rear waist region.
    Type: Application
    Filed: November 14, 2011
    Publication date: September 19, 2013
    Applicant: UNICHARM CORPORATION
    Inventors: Haruki Toda, Kaiyou Nakajima