Patents by Inventor Yusuke KAKITSUBA

Yusuke KAKITSUBA 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: 12178693
    Abstract: [Problem] To provide an absorbent article further suppressing occurrence of malodor after absorbing body fluid. [Solution] An absorbent article comprising a liquid permeable top sheet disposed on a skin surface side, a liquid impermeable back sheet disposed on an external surface side, and an absorbent body disposed between the top sheet and the back sheet, wherein the absorbent body has a water absorbent layer including a water absorbent resin powder, fumaric acid is disposed at a position being able to be in contact with body fluid absorbed in the absorbent article, and a polyphenol compound is disposed closer to the skin surface side than the back sheet.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: December 31, 2024
    Assignee: LIVEDO CORPORATION
    Inventors: Yusuke Kakitsuba, Yoshihisa Ota
  • Publication number: 20220211554
    Abstract: [Problem] To provide an absorbent article further suppressing occurrence of malodor after absorbing body fluid. [Solution] An absorbent article comprising a liquid permeable top sheet disposed on a skin surface side, a liquid impermeable back sheet disposed on an external surface side, and an absorbent body disposed between the top sheet and the back sheet, wherein the absorbent body has a water absorbent layer including a water absorbent resin powder, fumaric acid is disposed at a position being able to be in contact with body fluid absorbed in the absorbent article, and a polyphenol compound is disposed closer to the skin surface side than the back sheet.
    Type: Application
    Filed: March 11, 2020
    Publication date: July 7, 2022
    Applicant: LIVEDO CORPORATION
    Inventors: Yusuke KAKITSUBA, Yoshihisa OTA
  • Publication number: 20220176010
    Abstract: [Problem] To provide an absorbent article further suppressing occurrence of malodor after absorbing body fluid, [Solution] An absorbent article comprising a liquid permeable top sheet disposed on a skin surface side, a liquid impermeable back sheet disposed on an external surface side, and at least one water absorbent layer disposed between the top sheet and the back sheet, wherein the water absorbent layer includes a water absorbent resin powder, a deodorizing sheet supporting a polyphenol compound is disposed closer to the skin surface side than the back sheet, and a metal ion is substituted for a part of hydrogen atoms of phenolic hydroxy groups of the polyphenol compound.
    Type: Application
    Filed: March 11, 2020
    Publication date: June 9, 2022
    Applicant: LIVEDO CORPORATION
    Inventors: Yusuke KAKITSUBA, Yoshihisa OTA