Daio Paper Disposable Diaper Patent US12599514B2
Summary
USPTO granted Patent US12599514B2 to Daio Paper Corporation on April 14, 2026, covering a disposable diaper design featuring absorber body compression areas for enhanced fit and wearer comfort. The patent includes 7 claims specifying round and oval compressed areas arranged at intervals in the width and front-back directions. This grant gives the assignee exclusive rights to the patented technology.
What changed
USPTO granted Patent US12599514B2 to Daio Paper Corporation on April 14, 2026, covering a disposable diaper with an absorber body featuring strategically placed round and oval compressed areas that enhance fit without adding excessive rigidity. The patent includes 7 claims specifying the arrangement and positioning of compression areas in the width and front-back directions.
Manufacturers of disposable diapers and absorbent paper products should review the patent claims to assess potential licensing needs or identify opportunities for design-around innovations. This is a routine USPTO administrative action that establishes intellectual property rights for the assignee.
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Archived snapshot
Apr 14, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Disposable diaper and method for manufacturing same
Grant US12599514B2 Kind: B2 Apr 14, 2026
Assignee
Daio Paper Corporation
Inventors
Akie Moritani
Abstract
A disposable diaper whose absorber body changes its shape to motion of the wearer for enhanced fitting and wearing comfort, without excessively increased rigidity, includes an absorbent element having an absorber body and a wrapping sheet, and provided on its body side round and oval compressed areas, respectively. The round areas includes first and second compressed areas arranged respectively at intervals in the width and front-back directions, the second areas shifted from the first areas by half the intervals in the width and frond-back directions, the oval areas includes first compressed areas arranged between adjacent first round areas and between adjacent second round areas, with its major axis being aligned to the width direction, and second compressed areas, each arranged between first and second round areas with its major axis being aligned to a line connecting the first and second round areas.
CPC Classifications
A61F 13/533 A61F 13/49017 A61F 2013/53445
Filing Date
2022-03-04
Application No.
18551152
Claims
7
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Source
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